./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/systemc/toy.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/systemc/toy.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC --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 4a8eabec1830ab654b41f6937ec2f9359cd3dd371ede66eafc352bac48edda3b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:10:37,235 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:10:37,332 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-24 00:10:37,338 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:10:37,338 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:10:37,380 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:10:37,381 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:10:37,381 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:10:37,381 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:10:37,382 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:10:37,382 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:10:37,382 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:10:37,382 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:10:37,382 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-24 00:10:37,384 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-24 00:10:37,384 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-24 00:10:37,384 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-24 00:10:37,384 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-24 00:10:37,385 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-24 00:10:37,385 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:10:37,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-24 00:10:37,386 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:10:37,386 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:10:37,386 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:10:37,386 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:10:37,387 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-24 00:10:37,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-24 00:10:37,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-24 00:10:37,387 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 00:10:37,387 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:10:37,388 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:10:37,388 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-24 00:10:37,388 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:10:37,388 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:10:37,388 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:10:37,388 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:10:37,389 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:10:37,389 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-24 00:10:37,389 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-24 00:10:37,389 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_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC 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 -> 4a8eabec1830ab654b41f6937ec2f9359cd3dd371ede66eafc352bac48edda3b [2024-11-24 00:10:37,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:10:37,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:10:37,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:10:37,766 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:10:37,767 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:10:37,768 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/systemc/toy.cil.c [2024-11-24 00:10:41,218 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/data/798e36852/742af16332e2407595784dd35402195d/FLAGad9e13994 [2024-11-24 00:10:41,545 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:10:41,546 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/sv-benchmarks/c/systemc/toy.cil.c [2024-11-24 00:10:41,563 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/data/798e36852/742af16332e2407595784dd35402195d/FLAGad9e13994 [2024-11-24 00:10:41,591 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/data/798e36852/742af16332e2407595784dd35402195d [2024-11-24 00:10:41,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:10:41,597 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:10:41,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:10:41,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:10:41,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:10:41,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:10:41" (1/1) ... [2024-11-24 00:10:41,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79bc886d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:41, skipping insertion in model container [2024-11-24 00:10:41,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:10:41" (1/1) ... [2024-11-24 00:10:41,657 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:10:41,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:10:42,002 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:10:42,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:10:42,102 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:10:42,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:42 WrapperNode [2024-11-24 00:10:42,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:10:42,105 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:10:42,105 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:10:42,105 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:10:42,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:42" (1/1) ... [2024-11-24 00:10:42,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:42" (1/1) ... [2024-11-24 00:10:42,165 INFO L138 Inliner]: procedures = 20, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 356 [2024-11-24 00:10:42,168 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:10:42,168 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:10:42,169 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:10:42,169 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:10:42,181 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:42" (1/1) ... [2024-11-24 00:10:42,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:42" (1/1) ... [2024-11-24 00:10:42,185 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:42" (1/1) ... [2024-11-24 00:10:42,216 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]. [2024-11-24 00:10:42,220 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:42" (1/1) ... [2024-11-24 00:10:42,220 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:42" (1/1) ... [2024-11-24 00:10:42,230 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:42" (1/1) ... [2024-11-24 00:10:42,233 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:42" (1/1) ... [2024-11-24 00:10:42,245 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:42" (1/1) ... [2024-11-24 00:10:42,248 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:42" (1/1) ... [2024-11-24 00:10:42,254 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:42" (1/1) ... [2024-11-24 00:10:42,257 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:10:42,258 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:10:42,258 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:10:42,258 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:10:42,263 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:42" (1/1) ... [2024-11-24 00:10:42,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:42,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:42,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:42,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-24 00:10:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:10:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:10:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:10:42,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:10:42,469 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:10:42,471 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:10:43,185 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-24 00:10:43,185 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:10:43,211 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:10:43,215 INFO L312 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-24 00:10:43,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:10:43 BoogieIcfgContainer [2024-11-24 00:10:43,215 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:10:43,216 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-24 00:10:43,217 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-24 00:10:43,225 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-24 00:10:43,225 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:10:43,226 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 12:10:41" (1/3) ... [2024-11-24 00:10:43,227 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b490eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:10:43, skipping insertion in model container [2024-11-24 00:10:43,227 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:10:43,228 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:42" (2/3) ... [2024-11-24 00:10:43,228 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b490eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:10:43, skipping insertion in model container [2024-11-24 00:10:43,228 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:10:43,229 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:10:43" (3/3) ... [2024-11-24 00:10:43,230 INFO L363 chiAutomizerObserver]: Analyzing ICFG toy.cil.c [2024-11-24 00:10:43,309 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-24 00:10:43,309 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-24 00:10:43,310 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-24 00:10:43,310 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-24 00:10:43,310 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-24 00:10:43,311 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-24 00:10:43,311 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-24 00:10:43,312 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-24 00:10:43,320 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 126 states, 125 states have (on average 1.864) internal successors, (233), 125 states have internal predecessors, (233), 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) [2024-11-24 00:10:43,358 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 91 [2024-11-24 00:10:43,358 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:10:43,359 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:10:43,369 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] [2024-11-24 00:10:43,370 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] [2024-11-24 00:10:43,370 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-24 00:10:43,372 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 126 states, 125 states have (on average 1.864) internal successors, (233), 125 states have internal predecessors, (233), 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) [2024-11-24 00:10:43,385 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 91 [2024-11-24 00:10:43,385 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:10:43,386 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:10:43,387 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] [2024-11-24 00:10:43,387 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] [2024-11-24 00:10:43,397 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0;" "assume !(1 == ~c_req_up~0);" "assume !(1 == ~wl_i~0);~wl_st~0 := 2;" "assume !(1 == ~c1_i~0);~c1_st~0 := 2;" "assume 1 == ~c2_i~0;~c2_st~0 := 0;" "assume !(1 == ~wb_i~0);~wb_st~0 := 2;" "assume !(1 == ~r_i~0);~r_st~0 := 2;" "assume !(0 == ~e_f~0);" "assume !(0 == ~e_g~0);" "assume !(0 == ~e_e~0);" "assume !(0 == ~e_c~0);" "assume !(0 == ~e_wl~0);" "assume !(1 == ~wl_pc~0);" "assume !(2 == ~wl_pc~0);" "assume !(1 == ~c1_pc~0);" "assume !(1 == ~c2_pc~0);" "assume !(1 == ~wb_pc~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_e~0);" "assume !(1 == ~e_f~0);" "assume !(1 == ~e_g~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_wl~0);" [2024-11-24 00:10:43,398 INFO L749 eck$LassoCheckResult]: Loop: "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1;" "assume !true;" "havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;" "assume !(1 == ~c_req_up~0);" "start_simulation_~kernel_st~0#1 := 3;" "assume !(0 == ~e_f~0);" "assume 0 == ~e_g~0;~e_g~0 := 1;" "assume 0 == ~e_e~0;~e_e~0 := 1;" "assume 0 == ~e_c~0;~e_c~0 := 1;" "assume 0 == ~e_wl~0;~e_wl~0 := 1;" "assume !(1 == ~wl_pc~0);" "assume !(2 == ~wl_pc~0);" "assume !(1 == ~c1_pc~0);" "assume !(1 == ~c2_pc~0);" "assume !(1 == ~wb_pc~0);" "assume 1 == ~e_c~0;~r_st~0 := 0;" "assume !(1 == ~e_e~0);" "assume 1 == ~e_f~0;~e_f~0 := 2;" "assume 1 == ~e_g~0;~e_g~0 := 2;" "assume 1 == ~e_c~0;~e_c~0 := 2;" "assume 1 == ~e_wl~0;~e_wl~0 := 2;" "assume 0 == ~wl_st~0;" [2024-11-24 00:10:43,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:43,405 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 1 times [2024-11-24 00:10:43,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:10:43,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195166690] [2024-11-24 00:10:43,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:43,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:10:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:43,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:10:43,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195166690] [2024-11-24 00:10:43,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195166690] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:10:43,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164921473] [2024-11-24 00:10:43,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:43,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:10:43,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:43,832 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:10:43,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:10:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:43,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:10:43,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:10:44,011 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:10:44,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164921473] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:10:44,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:10:44,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4 [2024-11-24 00:10:44,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505761934] [2024-11-24 00:10:44,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:10:44,066 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-24 00:10:44,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:44,069 INFO L85 PathProgramCache]: Analyzing trace with hash 106871729, now seen corresponding path program 1 times [2024-11-24 00:10:44,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:10:44,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486699783] [2024-11-24 00:10:44,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:44,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:10:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:44,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:10:44,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486699783] [2024-11-24 00:10:44,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486699783] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:10:44,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601727853] [2024-11-24 00:10:44,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:44,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:10:44,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:44,122 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:10:44,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:10:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:44,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:10:44,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:10:44,213 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:10:44,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601727853] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:10:44,221 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:10:44,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-11-24 00:10:44,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459054523] [2024-11-24 00:10:44,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:10:44,223 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-24 00:10:44,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:10:44,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:10:44,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:10:44,265 INFO L87 Difference]: Start difference. First operand has 126 states, 125 states have (on average 1.864) internal successors, (233), 125 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 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) [2024-11-24 00:10:44,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:10:44,296 INFO L93 Difference]: Finished difference Result 124 states and 218 transitions. [2024-11-24 00:10:44,297 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 218 transitions. [2024-11-24 00:10:44,304 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 88 [2024-11-24 00:10:44,316 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 119 states and 213 transitions. [2024-11-24 00:10:44,317 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 119 [2024-11-24 00:10:44,318 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 119 [2024-11-24 00:10:44,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 119 states and 213 transitions. [2024-11-24 00:10:44,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 00:10:44,320 INFO L218 hiAutomatonCegarLoop]: Abstraction has 119 states and 213 transitions. [2024-11-24 00:10:44,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states and 213 transitions. [2024-11-24 00:10:44,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-24 00:10:44,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 119 states have (on average 1.7899159663865547) internal successors, (213), 118 states have internal predecessors, (213), 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) [2024-11-24 00:10:44,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 213 transitions. [2024-11-24 00:10:44,367 INFO L240 hiAutomatonCegarLoop]: Abstraction has 119 states and 213 transitions. [2024-11-24 00:10:44,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:10:44,372 INFO L425 stractBuchiCegarLoop]: Abstraction has 119 states and 213 transitions. [2024-11-24 00:10:44,372 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-24 00:10:44,372 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 119 states and 213 transitions. [2024-11-24 00:10:44,374 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 88 [2024-11-24 00:10:44,375 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:10:44,375 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:10:44,376 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] [2024-11-24 00:10:44,376 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] [2024-11-24 00:10:44,376 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0;" "assume !(1 == ~c_req_up~0);" "assume !(1 == ~wl_i~0);~wl_st~0 := 2;" "assume !(1 == ~c1_i~0);~c1_st~0 := 2;" "assume 1 == ~c2_i~0;~c2_st~0 := 0;" "assume !(1 == ~wb_i~0);~wb_st~0 := 2;" "assume !(1 == ~r_i~0);~r_st~0 := 2;" "assume !(0 == ~e_f~0);" "assume !(0 == ~e_g~0);" "assume !(0 == ~e_e~0);" "assume !(0 == ~e_c~0);" "assume !(0 == ~e_wl~0);" "assume !(1 == ~wl_pc~0);" "assume !(2 == ~wl_pc~0);" "assume !(1 == ~c1_pc~0);" "assume !(1 == ~c2_pc~0);" "assume !(1 == ~wb_pc~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_e~0);" "assume !(1 == ~e_f~0);" "assume !(1 == ~e_g~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_wl~0);" [2024-11-24 00:10:44,376 INFO L749 eck$LassoCheckResult]: Loop: "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1;" "assume !(0 == ~wl_st~0);" "assume !(0 == ~c1_st~0);" "assume !(0 == ~c2_st~0);" "assume !(0 == ~wb_st~0);" "assume !(0 == ~r_st~0);" "havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;" "assume !(1 == ~c_req_up~0);" "start_simulation_~kernel_st~0#1 := 3;" "assume !(0 == ~e_f~0);" "assume 0 == ~e_g~0;~e_g~0 := 1;" "assume 0 == ~e_e~0;~e_e~0 := 1;" "assume 0 == ~e_c~0;~e_c~0 := 1;" "assume 0 == ~e_wl~0;~e_wl~0 := 1;" "assume 1 == ~wl_pc~0;" "assume 1 == ~e_wl~0;~wl_st~0 := 0;" "assume !(1 == ~c1_pc~0);" "assume !(1 == ~c2_pc~0);" "assume !(1 == ~wb_pc~0);" "assume 1 == ~e_c~0;~r_st~0 := 0;" "assume !(1 == ~e_e~0);" "assume 1 == ~e_f~0;~e_f~0 := 2;" "assume 1 == ~e_g~0;~e_g~0 := 2;" "assume 1 == ~e_c~0;~e_c~0 := 2;" "assume 1 == ~e_wl~0;~e_wl~0 := 2;" "assume 0 == ~wl_st~0;" [2024-11-24 00:10:44,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:44,377 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 2 times [2024-11-24 00:10:44,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:10:44,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267300079] [2024-11-24 00:10:44,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:44,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:10:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:44,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:10:44,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267300079] [2024-11-24 00:10:44,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267300079] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:10:44,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560602213] [2024-11-24 00:10:44,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:44,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:10:44,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:44,467 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:10:44,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 00:10:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:44,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:10:44,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:10:44,622 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:10:44,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560602213] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:10:44,648 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:10:44,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4 [2024-11-24 00:10:44,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757640923] [2024-11-24 00:10:44,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:10:44,649 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-24 00:10:44,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:44,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1167114184, now seen corresponding path program 1 times [2024-11-24 00:10:44,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:10:44,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557141039] [2024-11-24 00:10:44,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:44,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:10:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:44,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:10:44,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557141039] [2024-11-24 00:10:44,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557141039] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:10:44,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321757572] [2024-11-24 00:10:44,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:44,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:10:44,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:44,744 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:10:44,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 00:10:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:44,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:10:44,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:10:44,859 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:10:44,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321757572] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:10:44,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:10:44,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-24 00:10:44,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231660475] [2024-11-24 00:10:44,900 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:10:44,900 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-24 00:10:44,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:10:44,901 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:10:44,901 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:10:44,901 INFO L87 Difference]: Start difference. First operand 119 states and 213 transitions. cyclomatic complexity: 95 Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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) [2024-11-24 00:10:44,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:10:44,967 INFO L93 Difference]: Finished difference Result 119 states and 211 transitions. [2024-11-24 00:10:44,967 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 119 states and 211 transitions. [2024-11-24 00:10:44,970 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 88 [2024-11-24 00:10:44,973 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 119 states to 119 states and 211 transitions. [2024-11-24 00:10:44,973 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 119 [2024-11-24 00:10:44,974 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 119 [2024-11-24 00:10:44,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 119 states and 211 transitions. [2024-11-24 00:10:44,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 00:10:44,975 INFO L218 hiAutomatonCegarLoop]: Abstraction has 119 states and 211 transitions. [2024-11-24 00:10:44,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states and 211 transitions. [2024-11-24 00:10:44,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-24 00:10:44,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 119 states have (on average 1.773109243697479) internal successors, (211), 118 states have internal predecessors, (211), 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) [2024-11-24 00:10:44,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 211 transitions. [2024-11-24 00:10:44,982 INFO L240 hiAutomatonCegarLoop]: Abstraction has 119 states and 211 transitions. [2024-11-24 00:10:44,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:10:44,987 INFO L425 stractBuchiCegarLoop]: Abstraction has 119 states and 211 transitions. [2024-11-24 00:10:44,987 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-24 00:10:44,988 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 119 states and 211 transitions. [2024-11-24 00:10:44,994 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 88 [2024-11-24 00:10:44,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:10:44,994 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:10:44,995 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] [2024-11-24 00:10:44,995 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] [2024-11-24 00:10:44,995 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0;" "assume !(1 == ~c_req_up~0);" "assume 1 == ~wl_i~0;~wl_st~0 := 0;" "assume !(1 == ~c1_i~0);~c1_st~0 := 2;" "assume 1 == ~c2_i~0;~c2_st~0 := 0;" "assume 1 == ~wb_i~0;~wb_st~0 := 0;" "assume !(1 == ~r_i~0);~r_st~0 := 2;" "assume !(0 == ~e_f~0);" "assume !(0 == ~e_g~0);" "assume !(0 == ~e_e~0);" "assume !(0 == ~e_c~0);" "assume !(0 == ~e_wl~0);" "assume !(1 == ~wl_pc~0);" "assume !(2 == ~wl_pc~0);" "assume !(1 == ~c1_pc~0);" "assume !(1 == ~c2_pc~0);" "assume !(1 == ~wb_pc~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_e~0);" "assume !(1 == ~e_f~0);" "assume !(1 == ~e_g~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_wl~0);" [2024-11-24 00:10:44,995 INFO L749 eck$LassoCheckResult]: Loop: "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1;" "assume !(0 == ~wl_st~0);" "assume !(0 == ~c1_st~0);" "assume !(0 == ~c2_st~0);" "assume !(0 == ~wb_st~0);" "assume !(0 == ~r_st~0);" "havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;" "assume !(1 == ~c_req_up~0);" "start_simulation_~kernel_st~0#1 := 3;" "assume !(0 == ~e_f~0);" "assume 0 == ~e_g~0;~e_g~0 := 1;" "assume 0 == ~e_e~0;~e_e~0 := 1;" "assume 0 == ~e_c~0;~e_c~0 := 1;" "assume 0 == ~e_wl~0;~e_wl~0 := 1;" "assume 1 == ~wl_pc~0;" "assume 1 == ~e_wl~0;~wl_st~0 := 0;" "assume !(1 == ~c1_pc~0);" "assume !(1 == ~c2_pc~0);" "assume !(1 == ~wb_pc~0);" "assume 1 == ~e_c~0;~r_st~0 := 0;" "assume !(1 == ~e_e~0);" "assume 1 == ~e_f~0;~e_f~0 := 2;" "assume 1 == ~e_g~0;~e_g~0 := 2;" "assume 1 == ~e_c~0;~e_c~0 := 2;" "assume 1 == ~e_wl~0;~e_wl~0 := 2;" "assume 0 == ~wl_st~0;" [2024-11-24 00:10:45,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:45,000 INFO L85 PathProgramCache]: Analyzing trace with hash -562043371, now seen corresponding path program 1 times [2024-11-24 00:10:45,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:10:45,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853863107] [2024-11-24 00:10:45,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:45,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:10:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:45,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:10:45,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853863107] [2024-11-24 00:10:45,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853863107] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:10:45,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191418451] [2024-11-24 00:10:45,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:45,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:10:45,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:45,147 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:10:45,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-24 00:10:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:45,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:10:45,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:10:45,300 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:10:45,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [191418451] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:10:45,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:10:45,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 6 [2024-11-24 00:10:45,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039780114] [2024-11-24 00:10:45,365 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:10:45,365 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-24 00:10:45,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:45,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1167114184, now seen corresponding path program 2 times [2024-11-24 00:10:45,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:10:45,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277152008] [2024-11-24 00:10:45,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:45,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:10:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:45,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:10:45,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277152008] [2024-11-24 00:10:45,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277152008] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:10:45,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404091856] [2024-11-24 00:10:45,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:45,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:10:45,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:45,433 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:10:45,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-24 00:10:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:45,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:10:45,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:10:45,525 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:10:45,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1404091856] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:10:45,548 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:10:45,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-24 00:10:45,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779086547] [2024-11-24 00:10:45,548 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:10:45,549 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-24 00:10:45,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:10:45,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:10:45,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:10:45,549 INFO L87 Difference]: Start difference. First operand 119 states and 211 transitions. cyclomatic complexity: 93 Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 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) [2024-11-24 00:10:45,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:10:45,612 INFO L93 Difference]: Finished difference Result 119 states and 209 transitions. [2024-11-24 00:10:45,612 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 119 states and 209 transitions. [2024-11-24 00:10:45,614 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 88 [2024-11-24 00:10:45,620 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 119 states to 119 states and 209 transitions. [2024-11-24 00:10:45,620 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 119 [2024-11-24 00:10:45,621 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 119 [2024-11-24 00:10:45,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 119 states and 209 transitions. [2024-11-24 00:10:45,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 00:10:45,622 INFO L218 hiAutomatonCegarLoop]: Abstraction has 119 states and 209 transitions. [2024-11-24 00:10:45,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states and 209 transitions. [2024-11-24 00:10:45,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-24 00:10:45,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 119 states have (on average 1.7563025210084033) internal successors, (209), 118 states have internal predecessors, (209), 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) [2024-11-24 00:10:45,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 209 transitions. [2024-11-24 00:10:45,633 INFO L240 hiAutomatonCegarLoop]: Abstraction has 119 states and 209 transitions. [2024-11-24 00:10:45,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:10:45,634 INFO L425 stractBuchiCegarLoop]: Abstraction has 119 states and 209 transitions. [2024-11-24 00:10:45,634 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-24 00:10:45,634 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 119 states and 209 transitions. [2024-11-24 00:10:45,636 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 88 [2024-11-24 00:10:45,636 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:10:45,636 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:10:45,637 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] [2024-11-24 00:10:45,637 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] [2024-11-24 00:10:45,637 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0;" "assume !(1 == ~c_req_up~0);" "assume 1 == ~wl_i~0;~wl_st~0 := 0;" "assume 1 == ~c1_i~0;~c1_st~0 := 0;" "assume 1 == ~c2_i~0;~c2_st~0 := 0;" "assume 1 == ~wb_i~0;~wb_st~0 := 0;" "assume !(1 == ~r_i~0);~r_st~0 := 2;" "assume !(0 == ~e_f~0);" "assume !(0 == ~e_g~0);" "assume !(0 == ~e_e~0);" "assume !(0 == ~e_c~0);" "assume !(0 == ~e_wl~0);" "assume !(1 == ~wl_pc~0);" "assume !(2 == ~wl_pc~0);" "assume !(1 == ~c1_pc~0);" "assume !(1 == ~c2_pc~0);" "assume !(1 == ~wb_pc~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_e~0);" "assume !(1 == ~e_f~0);" "assume !(1 == ~e_g~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_wl~0);" [2024-11-24 00:10:45,637 INFO L749 eck$LassoCheckResult]: Loop: "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1;" "assume !(0 == ~wl_st~0);" "assume !(0 == ~c1_st~0);" "assume !(0 == ~c2_st~0);" "assume !(0 == ~wb_st~0);" "assume !(0 == ~r_st~0);" "havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;" "assume !(1 == ~c_req_up~0);" "start_simulation_~kernel_st~0#1 := 3;" "assume !(0 == ~e_f~0);" "assume 0 == ~e_g~0;~e_g~0 := 1;" "assume 0 == ~e_e~0;~e_e~0 := 1;" "assume 0 == ~e_c~0;~e_c~0 := 1;" "assume 0 == ~e_wl~0;~e_wl~0 := 1;" "assume 1 == ~wl_pc~0;" "assume 1 == ~e_wl~0;~wl_st~0 := 0;" "assume !(1 == ~c1_pc~0);" "assume !(1 == ~c2_pc~0);" "assume !(1 == ~wb_pc~0);" "assume 1 == ~e_c~0;~r_st~0 := 0;" "assume !(1 == ~e_e~0);" "assume 1 == ~e_f~0;~e_f~0 := 2;" "assume 1 == ~e_g~0;~e_g~0 := 2;" "assume 1 == ~e_c~0;~e_c~0 := 2;" "assume 1 == ~e_wl~0;~e_wl~0 := 2;" "assume 0 == ~wl_st~0;" [2024-11-24 00:10:45,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:45,638 INFO L85 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 1 times [2024-11-24 00:10:45,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:10:45,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020052211] [2024-11-24 00:10:45,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:45,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:10:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:45,651 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:10:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:45,684 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:10:45,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:45,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1167114184, now seen corresponding path program 3 times [2024-11-24 00:10:45,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:10:45,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779837119] [2024-11-24 00:10:45,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:45,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:10:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:45,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:10:45,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779837119] [2024-11-24 00:10:45,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779837119] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:10:45,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045590471] [2024-11-24 00:10:45,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:45,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:10:45,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:45,746 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:10:45,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-24 00:10:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:45,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:10:45,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:10:45,847 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:10:45,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045590471] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:10:45,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:10:45,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-24 00:10:45,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057365355] [2024-11-24 00:10:45,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:10:45,871 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-24 00:10:45,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:10:45,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:10:45,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:10:45,871 INFO L87 Difference]: Start difference. First operand 119 states and 209 transitions. cyclomatic complexity: 91 Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-11-24 00:10:45,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:10:45,935 INFO L93 Difference]: Finished difference Result 147 states and 260 transitions. [2024-11-24 00:10:45,935 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 147 states and 260 transitions. [2024-11-24 00:10:45,937 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 102 [2024-11-24 00:10:45,942 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 147 states to 147 states and 260 transitions. [2024-11-24 00:10:45,942 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 147 [2024-11-24 00:10:45,943 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 147 [2024-11-24 00:10:45,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 147 states and 260 transitions. [2024-11-24 00:10:45,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 00:10:45,944 INFO L218 hiAutomatonCegarLoop]: Abstraction has 147 states and 260 transitions. [2024-11-24 00:10:45,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states and 260 transitions. [2024-11-24 00:10:45,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-11-24 00:10:45,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 147 states have (on average 1.7687074829931972) internal successors, (260), 146 states have internal predecessors, (260), 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) [2024-11-24 00:10:45,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 260 transitions. [2024-11-24 00:10:45,961 INFO L240 hiAutomatonCegarLoop]: Abstraction has 147 states and 260 transitions. [2024-11-24 00:10:45,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:10:45,962 INFO L425 stractBuchiCegarLoop]: Abstraction has 147 states and 260 transitions. [2024-11-24 00:10:45,962 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-24 00:10:45,962 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 147 states and 260 transitions. [2024-11-24 00:10:45,963 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 102 [2024-11-24 00:10:45,963 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:10:45,963 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:10:45,968 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] [2024-11-24 00:10:45,968 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] [2024-11-24 00:10:45,968 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(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0;" "assume !(1 == ~c_req_up~0);" "assume 1 == ~wl_i~0;~wl_st~0 := 0;" "assume 1 == ~c1_i~0;~c1_st~0 := 0;" "assume 1 == ~c2_i~0;~c2_st~0 := 0;" "assume 1 == ~wb_i~0;~wb_st~0 := 0;" "assume !(1 == ~r_i~0);~r_st~0 := 2;" "assume !(0 == ~e_f~0);" "assume !(0 == ~e_g~0);" "assume 0 == ~e_e~0;~e_e~0 := 1;" "assume !(0 == ~e_c~0);" "assume !(0 == ~e_wl~0);" "assume !(1 == ~wl_pc~0);" "assume !(2 == ~wl_pc~0);" "assume !(1 == ~c1_pc~0);" "assume !(1 == ~c2_pc~0);" "assume !(1 == ~wb_pc~0);" "assume !(1 == ~e_c~0);" "assume 1 == ~e_e~0;~e_e~0 := 2;" "assume !(1 == ~e_f~0);" "assume !(1 == ~e_g~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_wl~0);" [2024-11-24 00:10:45,968 INFO L749 eck$LassoCheckResult]: Loop: "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1;" "assume !(0 == ~wl_st~0);" "assume !(0 == ~c1_st~0);" "assume !(0 == ~c2_st~0);" "assume !(0 == ~wb_st~0);" "assume !(0 == ~r_st~0);" "havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;" "assume !(1 == ~c_req_up~0);" "start_simulation_~kernel_st~0#1 := 3;" "assume !(0 == ~e_f~0);" "assume 0 == ~e_g~0;~e_g~0 := 1;" "assume 0 == ~e_e~0;~e_e~0 := 1;" "assume 0 == ~e_c~0;~e_c~0 := 1;" "assume 0 == ~e_wl~0;~e_wl~0 := 1;" "assume 1 == ~wl_pc~0;" "assume 1 == ~e_wl~0;~wl_st~0 := 0;" "assume !(1 == ~c1_pc~0);" "assume !(1 == ~c2_pc~0);" "assume !(1 == ~wb_pc~0);" "assume 1 == ~e_c~0;~r_st~0 := 0;" "assume 1 == ~e_e~0;~e_e~0 := 2;" "assume 1 == ~e_f~0;~e_f~0 := 2;" "assume 1 == ~e_g~0;~e_g~0 := 2;" "assume 1 == ~e_c~0;~e_c~0 := 2;" "assume 1 == ~e_wl~0;~e_wl~0 := 2;" "assume 0 == ~wl_st~0;" [2024-11-24 00:10:45,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:45,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1264875287, now seen corresponding path program 1 times [2024-11-24 00:10:45,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:10:45,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318217989] [2024-11-24 00:10:45,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:45,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:10:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:46,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:10:46,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318217989] [2024-11-24 00:10:46,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318217989] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:10:46,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241725910] [2024-11-24 00:10:46,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:46,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:10:46,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:46,073 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:10:46,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-24 00:10:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:46,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:10:46,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:10:46,228 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:10:46,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241725910] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:10:46,284 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:10:46,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 6 [2024-11-24 00:10:46,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515255685] [2024-11-24 00:10:46,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:10:46,286 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-24 00:10:46,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:46,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1224372486, now seen corresponding path program 1 times [2024-11-24 00:10:46,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:10:46,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017047397] [2024-11-24 00:10:46,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:46,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:10:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:46,299 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:10:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:46,310 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:10:46,713 INFO L204 LassoAnalysis]: Preferences: [2024-11-24 00:10:46,714 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-24 00:10:46,714 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-24 00:10:46,714 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-24 00:10:46,714 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-24 00:10:46,714 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:46,715 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-24 00:10:46,715 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-24 00:10:46,715 INFO L132 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration5_Loop [2024-11-24 00:10:46,715 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-24 00:10:46,715 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-24 00:10:46,738 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:46,751 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:46,759 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:46,769 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:46,773 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:46,780 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:46,785 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:46,788 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:46,795 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:46,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:46,803 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:46,814 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:46,822 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:46,825 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:46,830 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:46,833 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:46,839 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:46,846 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:46,848 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:46,852 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:46,861 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:46,864 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:46,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:46,871 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:46,874 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:47,183 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-24 00:10:47,184 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-24 00:10:47,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:47,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:47,193 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:47,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-24 00:10:47,196 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:10:47,196 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:10:47,231 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-24 00:10:47,231 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-24 00:10:47,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-24 00:10:47,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:47,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:47,247 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:47,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-24 00:10:47,251 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:10:47,251 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:10:47,282 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-24 00:10:47,282 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~wb_pc~0=4} Honda state: {~wb_pc~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-24 00:10:47,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-24 00:10:47,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:47,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:47,294 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:47,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-24 00:10:47,297 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:10:47,297 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:10:47,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-24 00:10:47,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:47,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:47,325 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:47,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-24 00:10:47,330 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-24 00:10:47,330 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:10:47,348 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-24 00:10:47,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-24 00:10:47,357 INFO L204 LassoAnalysis]: Preferences: [2024-11-24 00:10:47,357 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-24 00:10:47,357 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-24 00:10:47,357 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-24 00:10:47,357 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-24 00:10:47,357 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:47,357 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-24 00:10:47,358 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-24 00:10:47,358 INFO L132 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration5_Loop [2024-11-24 00:10:47,358 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-24 00:10:47,358 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-24 00:10:47,375 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:47,387 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:47,391 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:47,402 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:47,408 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:47,418 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:47,425 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:47,430 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:47,433 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:47,436 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:47,445 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:47,452 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:47,455 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:47,460 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:47,464 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:47,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:47,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:47,483 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:47,486 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:47,494 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:47,496 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:47,499 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:47,502 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:47,507 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:47,510 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:47,774 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-24 00:10:47,778 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-24 00:10:47,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:47,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:47,785 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:47,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-24 00:10:47,789 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 [2024-11-24 00:10:47,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:10:47,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:10:47,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:10:47,808 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-24 00:10:47,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:10:47,814 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-24 00:10:47,814 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:10:47,818 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:10:47,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-24 00:10:47,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:47,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:47,832 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:47,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-24 00:10:47,837 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 [2024-11-24 00:10:47,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:10:47,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:10:47,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:10:47,854 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-24 00:10:47,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:10:47,855 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-24 00:10:47,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:10:47,858 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:10:47,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-24 00:10:47,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:47,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:47,872 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:47,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-24 00:10:47,878 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 [2024-11-24 00:10:47,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:10:47,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:10:47,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:10:47,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:10:47,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:10:47,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 00:10:47,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:10:47,904 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-24 00:10:47,909 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-24 00:10:47,913 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-24 00:10:47,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:47,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:47,923 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:47,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-24 00:10:47,929 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-24 00:10:47,930 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-24 00:10:47,930 INFO L474 LassoAnalysis]: Proved termination. [2024-11-24 00:10:47,930 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -1*~e_c~0 + 1 Supporting invariants [] [2024-11-24 00:10:47,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-24 00:10:47,944 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-24 00:10:47,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:48,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:10:48,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:10:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:48,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:10:48,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:10:48,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:10:48,186 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-24 00:10:48,188 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 147 states and 260 transitions. cyclomatic complexity: 114 Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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) [2024-11-24 00:10:48,338 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 147 states and 260 transitions. cyclomatic complexity: 114. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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 461 states and 815 transitions. Complement of second has 5 states. [2024-11-24 00:10:48,340 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 [2024-11-24 00:10:48,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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) [2024-11-24 00:10:48,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 365 transitions. [2024-11-24 00:10:48,350 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 365 transitions. Stem has 24 letters. Loop has 26 letters. [2024-11-24 00:10:48,354 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:10:48,354 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 365 transitions. Stem has 50 letters. Loop has 26 letters. [2024-11-24 00:10:48,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:10:48,356 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 365 transitions. Stem has 24 letters. Loop has 52 letters. [2024-11-24 00:10:48,358 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:10:48,358 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 461 states and 815 transitions. [2024-11-24 00:10:48,367 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 306 [2024-11-24 00:10:48,372 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 461 states to 461 states and 815 transitions. [2024-11-24 00:10:48,372 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 352 [2024-11-24 00:10:48,373 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 356 [2024-11-24 00:10:48,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 461 states and 815 transitions. [2024-11-24 00:10:48,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-24 00:10:48,374 INFO L218 hiAutomatonCegarLoop]: Abstraction has 461 states and 815 transitions. [2024-11-24 00:10:48,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states and 815 transitions. [2024-11-24 00:10:48,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 355. [2024-11-24 00:10:48,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 355 states have (on average 1.7690140845070423) internal successors, (628), 354 states have internal predecessors, (628), 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) [2024-11-24 00:10:48,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 628 transitions. [2024-11-24 00:10:48,407 INFO L240 hiAutomatonCegarLoop]: Abstraction has 355 states and 628 transitions. [2024-11-24 00:10:48,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:10:48,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:10:48,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:10:48,408 INFO L87 Difference]: Start difference. First operand 355 states and 628 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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) [2024-11-24 00:10:48,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:10:48,541 INFO L93 Difference]: Finished difference Result 531 states and 894 transitions. [2024-11-24 00:10:48,541 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 531 states and 894 transitions. [2024-11-24 00:10:48,546 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 322 [2024-11-24 00:10:48,552 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 531 states to 531 states and 894 transitions. [2024-11-24 00:10:48,552 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 362 [2024-11-24 00:10:48,553 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 362 [2024-11-24 00:10:48,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 531 states and 894 transitions. [2024-11-24 00:10:48,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-24 00:10:48,553 INFO L218 hiAutomatonCegarLoop]: Abstraction has 531 states and 894 transitions. [2024-11-24 00:10:48,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states and 894 transitions. [2024-11-24 00:10:48,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 519. [2024-11-24 00:10:48,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 519 states have (on average 1.69364161849711) internal successors, (879), 518 states have internal predecessors, (879), 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) [2024-11-24 00:10:48,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 879 transitions. [2024-11-24 00:10:48,582 INFO L240 hiAutomatonCegarLoop]: Abstraction has 519 states and 879 transitions. [2024-11-24 00:10:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:10:48,584 INFO L425 stractBuchiCegarLoop]: Abstraction has 519 states and 879 transitions. [2024-11-24 00:10:48,584 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-24 00:10:48,585 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 519 states and 879 transitions. [2024-11-24 00:10:48,592 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 322 [2024-11-24 00:10:48,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:10:48,592 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:10:48,593 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] [2024-11-24 00:10:48,593 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] [2024-11-24 00:10:48,593 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0;" "assume !(1 == ~c_req_up~0);" "assume 1 == ~wl_i~0;~wl_st~0 := 0;" "assume 1 == ~c1_i~0;~c1_st~0 := 0;" "assume 1 == ~c2_i~0;~c2_st~0 := 0;" "assume 1 == ~wb_i~0;~wb_st~0 := 0;" "assume !(1 == ~r_i~0);~r_st~0 := 2;" "assume !(0 == ~e_f~0);" "assume !(0 == ~e_g~0);" "assume !(0 == ~e_e~0);" "assume !(0 == ~e_c~0);" "assume !(0 == ~e_wl~0);" "assume !(1 == ~wl_pc~0);" "assume !(2 == ~wl_pc~0);" "assume !(1 == ~c1_pc~0);" "assume !(1 == ~c2_pc~0);" "assume !(1 == ~wb_pc~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_e~0);" "assume !(1 == ~e_f~0);" "assume !(1 == ~e_g~0);" "assume !(1 == ~e_c~0);" "assume 1 == ~e_wl~0;~e_wl~0 := 2;" [2024-11-24 00:10:48,593 INFO L749 eck$LassoCheckResult]: Loop: "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1;" "assume !(0 == ~wl_st~0);" "assume !(0 == ~c1_st~0);" "assume !(0 == ~c2_st~0);" "assume !(0 == ~wb_st~0);" "assume !(0 == ~r_st~0);" "havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;" "assume !(1 == ~c_req_up~0);" "start_simulation_~kernel_st~0#1 := 3;" "assume !(0 == ~e_f~0);" "assume 0 == ~e_g~0;~e_g~0 := 1;" "assume !(0 == ~e_e~0);" "assume 0 == ~e_c~0;~e_c~0 := 1;" "assume 0 == ~e_wl~0;~e_wl~0 := 1;" "assume 1 == ~wl_pc~0;" "assume 1 == ~e_wl~0;~wl_st~0 := 0;" "assume !(1 == ~c1_pc~0);" "assume !(1 == ~c2_pc~0);" "assume !(1 == ~wb_pc~0);" "assume 1 == ~e_c~0;~r_st~0 := 0;" "assume !(1 == ~e_e~0);" "assume !(1 == ~e_f~0);" "assume 1 == ~e_g~0;~e_g~0 := 2;" "assume 1 == ~e_c~0;~e_c~0 := 2;" "assume 1 == ~e_wl~0;~e_wl~0 := 2;" "assume 0 == ~wl_st~0;" [2024-11-24 00:10:48,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:48,594 INFO L85 PathProgramCache]: Analyzing trace with hash 255605077, now seen corresponding path program 1 times [2024-11-24 00:10:48,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:10:48,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708709611] [2024-11-24 00:10:48,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:48,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:10:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:48,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-24 00:10:48,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:10:48,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708709611] [2024-11-24 00:10:48,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708709611] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:10:48,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410400723] [2024-11-24 00:10:48,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:48,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:10:48,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:48,708 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:10:48,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-24 00:10:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:48,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:10:48,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:10:48,833 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:10:48,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410400723] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:10:48,886 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:10:48,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 2, 2] total 4 [2024-11-24 00:10:48,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455153078] [2024-11-24 00:10:48,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:10:48,887 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-24 00:10:48,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:48,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1849836476, now seen corresponding path program 1 times [2024-11-24 00:10:48,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:10:48,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477501650] [2024-11-24 00:10:48,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:48,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:10:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:48,894 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:10:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:48,902 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:10:49,149 INFO L204 LassoAnalysis]: Preferences: [2024-11-24 00:10:49,149 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-24 00:10:49,149 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-24 00:10:49,149 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-24 00:10:49,149 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-24 00:10:49,149 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:49,149 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-24 00:10:49,149 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-24 00:10:49,149 INFO L132 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration6_Loop [2024-11-24 00:10:49,150 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-24 00:10:49,150 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-24 00:10:49,153 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:49,158 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:49,167 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:49,170 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:49,173 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:49,176 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:49,179 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:49,182 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:49,185 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:49,188 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:49,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:49,194 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:49,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:49,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:49,215 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:49,219 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:49,222 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:49,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:49,236 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:49,243 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:49,247 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:49,250 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:49,254 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:49,260 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:49,262 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:49,533 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-24 00:10:49,534 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-24 00:10:49,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:49,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:49,538 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:49,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-24 00:10:49,543 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:10:49,543 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:10:49,568 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-24 00:10:49,568 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~wb_pc~0=4} Honda state: {~wb_pc~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-24 00:10:49,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-24 00:10:49,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:49,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:49,577 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:49,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-24 00:10:49,579 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:10:49,579 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:10:49,601 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-24 00:10:49,601 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_f~0=-1} Honda state: {~e_f~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-24 00:10:49,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-24 00:10:49,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:49,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:49,611 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:49,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-24 00:10:49,616 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:10:49,616 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:10:49,648 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-24 00:10:49,648 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-24 00:10:49,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-24 00:10:49,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:49,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:49,659 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:49,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-24 00:10:49,662 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:10:49,662 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:10:49,675 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-24 00:10:49,675 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet6#1=0} Honda state: {ULTIMATE.start_eval_#t~nondet6#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-24 00:10:49,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-24 00:10:49,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:49,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:49,684 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:49,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-24 00:10:49,687 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:10:49,687 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:10:49,701 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-24 00:10:49,701 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp~0#1=0} Honda state: {ULTIMATE.start_eval_~tmp~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-24 00:10:49,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-24 00:10:49,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:49,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:49,711 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:49,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-24 00:10:49,715 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:10:49,715 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:10:49,729 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-24 00:10:49,729 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~wl_pc~0=1} Honda state: {~wl_pc~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-24 00:10:49,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-24 00:10:49,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:49,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:49,738 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:49,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-24 00:10:49,741 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:10:49,741 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:10:49,756 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-24 00:10:49,756 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp___3~0#1=0} Honda state: {ULTIMATE.start_eval_~tmp___3~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-24 00:10:49,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-24 00:10:49,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:49,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:49,767 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:49,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-24 00:10:49,771 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:10:49,771 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:10:49,785 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-24 00:10:49,785 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp___1~0#1=0} Honda state: {ULTIMATE.start_eval_~tmp___1~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-24 00:10:49,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-11-24 00:10:49,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:49,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:49,794 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:49,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-24 00:10:49,809 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:10:49,809 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:10:49,824 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-24 00:10:49,824 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp___0~0#1=0} Honda state: {ULTIMATE.start_eval_~tmp___0~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-24 00:10:49,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-24 00:10:49,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:49,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:49,833 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:49,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-24 00:10:49,836 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:10:49,836 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:10:49,857 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-24 00:10:49,857 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-24 00:10:49,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-24 00:10:49,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:49,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:49,866 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:49,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-24 00:10:49,872 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:10:49,872 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:10:49,892 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-24 00:10:49,893 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet5#1=0} Honda state: {ULTIMATE.start_eval_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-24 00:10:49,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-24 00:10:49,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:49,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:49,907 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:49,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-24 00:10:49,912 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:10:49,912 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:10:49,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-24 00:10:49,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:49,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:49,946 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:49,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-24 00:10:49,951 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-24 00:10:49,952 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:10:49,976 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-24 00:10:49,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-11-24 00:10:49,987 INFO L204 LassoAnalysis]: Preferences: [2024-11-24 00:10:49,987 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-24 00:10:49,987 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-24 00:10:49,987 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-24 00:10:49,987 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-24 00:10:49,987 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:49,987 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-24 00:10:49,987 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-24 00:10:49,987 INFO L132 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration6_Loop [2024-11-24 00:10:49,988 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-24 00:10:49,988 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-24 00:10:49,990 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:49,995 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:49,999 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:50,005 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:50,009 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:50,011 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:50,014 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:50,017 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:50,021 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:50,028 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:50,031 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:50,036 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:50,039 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:50,041 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:50,048 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:50,051 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:50,054 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:50,056 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:50,062 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:50,070 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:50,076 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:50,082 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:50,085 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:50,089 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:50,096 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:10:50,403 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-24 00:10:50,403 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-24 00:10:50,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:50,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:50,406 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:50,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-24 00:10:50,413 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 [2024-11-24 00:10:50,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:10:50,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:10:50,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:10:50,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:10:50,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:10:50,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 00:10:50,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:10:50,434 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:10:50,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-11-24 00:10:50,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:50,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:50,447 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:50,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-24 00:10:50,452 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 [2024-11-24 00:10:50,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:10:50,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:10:50,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:10:50,470 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-24 00:10:50,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:10:50,472 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-24 00:10:50,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:10:50,475 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:10:50,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-11-24 00:10:50,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:50,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:50,491 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:50,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-24 00:10:50,494 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 [2024-11-24 00:10:50,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:10:50,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:10:50,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:10:50,511 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-24 00:10:50,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:10:50,512 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-24 00:10:50,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:10:50,515 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:10:50,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-11-24 00:10:50,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:50,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:50,528 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:50,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-24 00:10:50,533 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 [2024-11-24 00:10:50,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:10:50,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:10:50,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:10:50,552 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-24 00:10:50,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:10:50,554 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-24 00:10:50,554 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:10:50,560 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:10:50,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-11-24 00:10:50,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:50,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:50,573 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:50,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-24 00:10:50,579 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 [2024-11-24 00:10:50,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:10:50,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:10:50,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:10:50,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:10:50,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:10:50,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 00:10:50,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:10:50,602 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:10:50,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-11-24 00:10:50,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:50,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:50,615 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:50,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-24 00:10:50,620 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 [2024-11-24 00:10:50,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:10:50,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:10:50,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:10:50,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:10:50,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:10:50,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 00:10:50,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:10:50,641 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:10:50,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-11-24 00:10:50,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:50,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:50,654 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:50,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-24 00:10:50,659 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 [2024-11-24 00:10:50,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:10:50,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:10:50,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:10:50,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:10:50,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:10:50,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 00:10:50,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:10:50,678 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:10:50,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-11-24 00:10:50,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:50,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:50,692 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:50,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-24 00:10:50,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 00:10:50,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:10:50,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:10:50,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:10:50,715 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-24 00:10:50,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:10:50,716 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-24 00:10:50,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:10:50,720 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:10:50,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-11-24 00:10:50,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:50,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:50,736 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:50,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-24 00:10:50,739 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 [2024-11-24 00:10:50,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:10:50,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:10:50,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:10:50,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:10:50,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:10:50,759 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 00:10:50,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:10:50,762 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-24 00:10:50,766 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-24 00:10:50,766 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-24 00:10:50,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:10:50,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:50,772 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:50,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-24 00:10:50,775 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-24 00:10:50,775 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-24 00:10:50,775 INFO L474 LassoAnalysis]: Proved termination. [2024-11-24 00:10:50,775 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -1*~e_c~0 + 1 Supporting invariants [] [2024-11-24 00:10:50,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-11-24 00:10:50,789 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-24 00:10:50,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:50,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:10:50,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:10:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:50,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:10:50,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:10:51,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:10:51,009 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-24 00:10:51,009 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 519 states and 879 transitions. cyclomatic complexity: 366 Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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) [2024-11-24 00:10:51,092 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 519 states and 879 transitions. cyclomatic complexity: 366. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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 1012 states and 1720 transitions. Complement of second has 5 states. [2024-11-24 00:10:51,093 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 [2024-11-24 00:10:51,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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) [2024-11-24 00:10:51,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 352 transitions. [2024-11-24 00:10:51,095 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 352 transitions. Stem has 24 letters. Loop has 26 letters. [2024-11-24 00:10:51,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:10:51,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 352 transitions. Stem has 50 letters. Loop has 26 letters. [2024-11-24 00:10:51,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:10:51,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 352 transitions. Stem has 24 letters. Loop has 52 letters. [2024-11-24 00:10:51,097 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:10:51,097 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1012 states and 1720 transitions. [2024-11-24 00:10:51,110 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 644 [2024-11-24 00:10:51,120 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1012 states to 1012 states and 1720 transitions. [2024-11-24 00:10:51,120 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 677 [2024-11-24 00:10:51,123 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 682 [2024-11-24 00:10:51,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1012 states and 1720 transitions. [2024-11-24 00:10:51,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-24 00:10:51,124 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1012 states and 1720 transitions. [2024-11-24 00:10:51,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1012 states and 1720 transitions. [2024-11-24 00:10:51,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1012 to 519. [2024-11-24 00:10:51,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 519 states have (on average 1.69364161849711) internal successors, (879), 518 states have internal predecessors, (879), 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) [2024-11-24 00:10:51,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 879 transitions. [2024-11-24 00:10:51,150 INFO L240 hiAutomatonCegarLoop]: Abstraction has 519 states and 879 transitions. [2024-11-24 00:10:51,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:10:51,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:10:51,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:10:51,155 INFO L87 Difference]: Start difference. First operand 519 states and 879 transitions. Second operand has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 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) [2024-11-24 00:10:51,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:10:51,324 INFO L93 Difference]: Finished difference Result 1449 states and 2385 transitions. [2024-11-24 00:10:51,324 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1449 states and 2385 transitions. [2024-11-24 00:10:51,337 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 861 [2024-11-24 00:10:51,349 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1449 states to 1449 states and 2385 transitions. [2024-11-24 00:10:51,349 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 926 [2024-11-24 00:10:51,352 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 926 [2024-11-24 00:10:51,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1449 states and 2385 transitions. [2024-11-24 00:10:51,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-24 00:10:51,353 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1449 states and 2385 transitions. [2024-11-24 00:10:51,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1449 states and 2385 transitions. [2024-11-24 00:10:51,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1449 to 1439. [2024-11-24 00:10:51,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1439 states, 1439 states have (on average 1.65045170257123) internal successors, (2375), 1438 states have internal predecessors, (2375), 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) [2024-11-24 00:10:51,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1439 states and 2375 transitions. [2024-11-24 00:10:51,415 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1439 states and 2375 transitions. [2024-11-24 00:10:51,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:10:51,416 INFO L425 stractBuchiCegarLoop]: Abstraction has 1439 states and 2375 transitions. [2024-11-24 00:10:51,416 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-24 00:10:51,417 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1439 states and 2375 transitions. [2024-11-24 00:10:51,425 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 857 [2024-11-24 00:10:51,425 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:10:51,425 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:10:51,426 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] [2024-11-24 00:10:51,426 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-24 00:10:51,426 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(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0;" "assume !(1 == ~c_req_up~0);" "assume 1 == ~wl_i~0;~wl_st~0 := 0;" "assume 1 == ~c1_i~0;~c1_st~0 := 0;" "assume 1 == ~c2_i~0;~c2_st~0 := 0;" "assume 1 == ~wb_i~0;~wb_st~0 := 0;" "assume !(1 == ~r_i~0);~r_st~0 := 2;" "assume !(0 == ~e_f~0);" "assume !(0 == ~e_g~0);" "assume !(0 == ~e_e~0);" "assume !(0 == ~e_c~0);" "assume !(0 == ~e_wl~0);" "assume !(1 == ~wl_pc~0);" "assume !(2 == ~wl_pc~0);" "assume !(1 == ~c1_pc~0);" "assume !(1 == ~c2_pc~0);" "assume !(1 == ~wb_pc~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_e~0);" "assume !(1 == ~e_f~0);" "assume !(1 == ~e_g~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_wl~0);" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1;" [2024-11-24 00:10:51,427 INFO L749 eck$LassoCheckResult]: Loop: "assume 0 == ~wl_st~0;" "assume !(0 == ~wl_st~0);" "assume !(0 == ~c1_st~0);" "assume !(0 == ~c2_st~0);" "assume !(0 == ~wb_st~0);" "assume !(0 == ~r_st~0);" [2024-11-24 00:10:51,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:51,427 INFO L85 PathProgramCache]: Analyzing trace with hash -666176964, now seen corresponding path program 1 times [2024-11-24 00:10:51,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:10:51,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324558279] [2024-11-24 00:10:51,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:51,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:10:51,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-11-24 00:10:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:51,438 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:10:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:51,452 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:10:51,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:51,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1975774259, now seen corresponding path program 1 times [2024-11-24 00:10:51,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:10:51,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986620451] [2024-11-24 00:10:51,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:51,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:10:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:51,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:10:51,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986620451] [2024-11-24 00:10:51,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986620451] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:10:51,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453110784] [2024-11-24 00:10:51,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:51,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:10:51,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:51,471 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:10:51,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-24 00:10:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:51,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:10:51,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:10:51,519 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:10:51,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453110784] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:10:51,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:10:51,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-11-24 00:10:51,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359879009] [2024-11-24 00:10:51,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:10:51,522 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-24 00:10:51,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:10:51,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:10:51,523 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:10:51,523 INFO L87 Difference]: Start difference. First operand 1439 states and 2375 transitions. cyclomatic complexity: 946 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-11-24 00:10:51,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:10:51,566 INFO L93 Difference]: Finished difference Result 1949 states and 3203 transitions. [2024-11-24 00:10:51,567 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1949 states and 3203 transitions. [2024-11-24 00:10:51,583 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1195 [2024-11-24 00:10:51,597 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1949 states to 1949 states and 3203 transitions. [2024-11-24 00:10:51,598 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1258 [2024-11-24 00:10:51,600 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1258 [2024-11-24 00:10:51,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1949 states and 3203 transitions. [2024-11-24 00:10:51,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-24 00:10:51,601 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1949 states and 3203 transitions. [2024-11-24 00:10:51,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1949 states and 3203 transitions. [2024-11-24 00:10:51,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1949 to 1941. [2024-11-24 00:10:51,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1941 states, 1941 states have (on average 1.6460587326120557) internal successors, (3195), 1940 states have internal predecessors, (3195), 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) [2024-11-24 00:10:51,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1941 states and 3195 transitions. [2024-11-24 00:10:51,660 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1941 states and 3195 transitions. [2024-11-24 00:10:51,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:10:51,661 INFO L425 stractBuchiCegarLoop]: Abstraction has 1941 states and 3195 transitions. [2024-11-24 00:10:51,661 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-24 00:10:51,661 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1941 states and 3195 transitions. [2024-11-24 00:10:51,673 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1190 [2024-11-24 00:10:51,674 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:10:51,674 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:10:51,674 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] [2024-11-24 00:10:51,674 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:10:51,675 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(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0;" "assume !(1 == ~c_req_up~0);" "assume 1 == ~wl_i~0;~wl_st~0 := 0;" "assume 1 == ~c1_i~0;~c1_st~0 := 0;" "assume 1 == ~c2_i~0;~c2_st~0 := 0;" "assume 1 == ~wb_i~0;~wb_st~0 := 0;" "assume !(1 == ~r_i~0);~r_st~0 := 2;" "assume !(0 == ~e_f~0);" "assume !(0 == ~e_g~0);" "assume !(0 == ~e_e~0);" "assume !(0 == ~e_c~0);" "assume !(0 == ~e_wl~0);" "assume !(1 == ~wl_pc~0);" "assume !(2 == ~wl_pc~0);" "assume !(1 == ~c1_pc~0);" "assume !(1 == ~c2_pc~0);" "assume !(1 == ~wb_pc~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_e~0);" "assume !(1 == ~e_f~0);" "assume !(1 == ~e_g~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_wl~0);" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1;" [2024-11-24 00:10:51,675 INFO L749 eck$LassoCheckResult]: Loop: "assume 0 == ~wl_st~0;" "assume 0 == ~wl_st~0;havoc eval_#t~nondet4#1;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1;" "assume !(0 != eval_~tmp~0#1);" "assume !(0 == ~c1_st~0);" "assume !(0 == ~c2_st~0);" "assume !(0 == ~wb_st~0);" "assume !(0 == ~r_st~0);" [2024-11-24 00:10:51,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:51,675 INFO L85 PathProgramCache]: Analyzing trace with hash -666176964, now seen corresponding path program 2 times [2024-11-24 00:10:51,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:10:51,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252127473] [2024-11-24 00:10:51,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:51,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:10:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:51,688 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:10:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:51,706 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:10:51,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:51,710 INFO L85 PathProgramCache]: Analyzing trace with hash 743094604, now seen corresponding path program 1 times [2024-11-24 00:10:51,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:10:51,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804141690] [2024-11-24 00:10:51,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:51,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:10:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:51,714 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:10:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:51,719 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:10:51,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:51,720 INFO L85 PathProgramCache]: Analyzing trace with hash 437313201, now seen corresponding path program 1 times [2024-11-24 00:10:51,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:10:51,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089494119] [2024-11-24 00:10:51,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:51,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:10:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:51,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:10:51,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089494119] [2024-11-24 00:10:51,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089494119] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:10:51,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591901683] [2024-11-24 00:10:51,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:51,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:10:51,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:51,771 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:10:51,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-24 00:10:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:51,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:10:51,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:10:51,898 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:10:51,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591901683] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:10:51,947 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:10:51,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-24 00:10:51,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319777661] [2024-11-24 00:10:51,948 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:10:51,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:10:51,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:10:51,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:10:51,987 INFO L87 Difference]: Start difference. First operand 1941 states and 3195 transitions. cyclomatic complexity: 1264 Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2024-11-24 00:10:52,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:10:52,036 INFO L93 Difference]: Finished difference Result 3044 states and 4978 transitions. [2024-11-24 00:10:52,037 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3044 states and 4978 transitions. [2024-11-24 00:10:52,095 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1883 [2024-11-24 00:10:52,114 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3044 states to 3044 states and 4978 transitions. [2024-11-24 00:10:52,115 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1949 [2024-11-24 00:10:52,117 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1949 [2024-11-24 00:10:52,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3044 states and 4978 transitions. [2024-11-24 00:10:52,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-24 00:10:52,118 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3044 states and 4978 transitions. [2024-11-24 00:10:52,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3044 states and 4978 transitions. [2024-11-24 00:10:52,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3044 to 3044. [2024-11-24 00:10:52,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3044 states, 3044 states have (on average 1.635348226018397) internal successors, (4978), 3043 states have internal predecessors, (4978), 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) [2024-11-24 00:10:52,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3044 states to 3044 states and 4978 transitions. [2024-11-24 00:10:52,198 INFO L240 hiAutomatonCegarLoop]: Abstraction has 3044 states and 4978 transitions. [2024-11-24 00:10:52,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:10:52,200 INFO L425 stractBuchiCegarLoop]: Abstraction has 3044 states and 4978 transitions. [2024-11-24 00:10:52,200 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-24 00:10:52,200 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3044 states and 4978 transitions. [2024-11-24 00:10:52,218 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1883 [2024-11-24 00:10:52,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:10:52,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:10:52,219 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] [2024-11-24 00:10:52,219 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:10:52,220 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(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0;" "assume !(1 == ~c_req_up~0);" "assume 1 == ~wl_i~0;~wl_st~0 := 0;" "assume 1 == ~c1_i~0;~c1_st~0 := 0;" "assume 1 == ~c2_i~0;~c2_st~0 := 0;" "assume 1 == ~wb_i~0;~wb_st~0 := 0;" "assume !(1 == ~r_i~0);~r_st~0 := 2;" "assume !(0 == ~e_f~0);" "assume !(0 == ~e_g~0);" "assume !(0 == ~e_e~0);" "assume !(0 == ~e_c~0);" "assume !(0 == ~e_wl~0);" "assume !(1 == ~wl_pc~0);" "assume !(2 == ~wl_pc~0);" "assume !(1 == ~c1_pc~0);" "assume !(1 == ~c2_pc~0);" "assume !(1 == ~wb_pc~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_e~0);" "assume !(1 == ~e_f~0);" "assume !(1 == ~e_g~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_wl~0);" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1;" [2024-11-24 00:10:52,220 INFO L749 eck$LassoCheckResult]: Loop: "assume 0 == ~wl_st~0;" "assume 0 == ~wl_st~0;havoc eval_#t~nondet4#1;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1;" "assume !(0 != eval_~tmp~0#1);" "assume 0 == ~c1_st~0;havoc eval_#t~nondet5#1;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1;" "assume !(0 != eval_~tmp___0~0#1);" "assume !(0 == ~c2_st~0);" "assume !(0 == ~wb_st~0);" "assume !(0 == ~r_st~0);" [2024-11-24 00:10:52,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:52,220 INFO L85 PathProgramCache]: Analyzing trace with hash -666176964, now seen corresponding path program 3 times [2024-11-24 00:10:52,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:10:52,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475557788] [2024-11-24 00:10:52,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:52,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:10:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:52,229 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:10:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:52,240 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:10:52,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:52,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1511278244, now seen corresponding path program 1 times [2024-11-24 00:10:52,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:10:52,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419363111] [2024-11-24 00:10:52,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:52,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:10:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:52,244 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:10:52,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:52,247 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:10:52,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:52,248 INFO L85 PathProgramCache]: Analyzing trace with hash 621989343, now seen corresponding path program 1 times [2024-11-24 00:10:52,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:10:52,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488951309] [2024-11-24 00:10:52,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:52,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:10:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:52,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:10:52,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488951309] [2024-11-24 00:10:52,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488951309] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:10:52,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2085998064] [2024-11-24 00:10:52,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:52,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:10:52,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:52,291 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:10:52,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-24 00:10:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:52,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:10:52,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:10:52,413 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:10:52,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2085998064] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:10:52,463 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:10:52,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-24 00:10:52,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916043219] [2024-11-24 00:10:52,463 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:10:52,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:10:52,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:10:52,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:10:52,504 INFO L87 Difference]: Start difference. First operand 3044 states and 4978 transitions. cyclomatic complexity: 1944 Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2024-11-24 00:10:52,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:10:52,567 INFO L93 Difference]: Finished difference Result 4940 states and 7990 transitions. [2024-11-24 00:10:52,567 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4940 states and 7990 transitions. [2024-11-24 00:10:52,604 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 3072 [2024-11-24 00:10:52,692 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4940 states to 4940 states and 7990 transitions. [2024-11-24 00:10:52,693 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3144 [2024-11-24 00:10:52,697 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3144 [2024-11-24 00:10:52,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4940 states and 7990 transitions. [2024-11-24 00:10:52,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-24 00:10:52,697 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4940 states and 7990 transitions. [2024-11-24 00:10:52,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4940 states and 7990 transitions. [2024-11-24 00:10:52,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4940 to 4940. [2024-11-24 00:10:52,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4940 states, 4940 states have (on average 1.6174089068825912) internal successors, (7990), 4939 states have internal predecessors, (7990), 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) [2024-11-24 00:10:52,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4940 states to 4940 states and 7990 transitions. [2024-11-24 00:10:52,813 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4940 states and 7990 transitions. [2024-11-24 00:10:52,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:10:52,814 INFO L425 stractBuchiCegarLoop]: Abstraction has 4940 states and 7990 transitions. [2024-11-24 00:10:52,814 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-24 00:10:52,814 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4940 states and 7990 transitions. [2024-11-24 00:10:52,837 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 3072 [2024-11-24 00:10:52,838 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:10:52,838 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:10:52,840 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] [2024-11-24 00:10:52,840 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:10:52,840 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(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0;" "assume !(1 == ~c_req_up~0);" "assume 1 == ~wl_i~0;~wl_st~0 := 0;" "assume 1 == ~c1_i~0;~c1_st~0 := 0;" "assume 1 == ~c2_i~0;~c2_st~0 := 0;" "assume 1 == ~wb_i~0;~wb_st~0 := 0;" "assume !(1 == ~r_i~0);~r_st~0 := 2;" "assume !(0 == ~e_f~0);" "assume !(0 == ~e_g~0);" "assume !(0 == ~e_e~0);" "assume !(0 == ~e_c~0);" "assume !(0 == ~e_wl~0);" "assume !(1 == ~wl_pc~0);" "assume !(2 == ~wl_pc~0);" "assume !(1 == ~c1_pc~0);" "assume !(1 == ~c2_pc~0);" "assume !(1 == ~wb_pc~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_e~0);" "assume !(1 == ~e_f~0);" "assume !(1 == ~e_g~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_wl~0);" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1;" [2024-11-24 00:10:52,840 INFO L749 eck$LassoCheckResult]: Loop: "assume 0 == ~wl_st~0;" "assume 0 == ~wl_st~0;havoc eval_#t~nondet4#1;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1;" "assume !(0 != eval_~tmp~0#1);" "assume 0 == ~c1_st~0;havoc eval_#t~nondet5#1;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1;" "assume !(0 != eval_~tmp___0~0#1);" "assume 0 == ~c2_st~0;havoc eval_#t~nondet6#1;eval_~tmp___1~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1;" "assume !(0 != eval_~tmp___1~0#1);" "assume !(0 == ~wb_st~0);" "assume !(0 == ~r_st~0);" [2024-11-24 00:10:52,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:52,841 INFO L85 PathProgramCache]: Analyzing trace with hash -666176964, now seen corresponding path program 4 times [2024-11-24 00:10:52,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:10:52,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542905896] [2024-11-24 00:10:52,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:52,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:10:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:52,856 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:10:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:52,873 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:10:52,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:52,874 INFO L85 PathProgramCache]: Analyzing trace with hash -396603946, now seen corresponding path program 1 times [2024-11-24 00:10:52,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:10:52,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358333263] [2024-11-24 00:10:52,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:52,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:10:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:52,880 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:10:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:52,884 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:10:52,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:52,884 INFO L85 PathProgramCache]: Analyzing trace with hash 2100211195, now seen corresponding path program 1 times [2024-11-24 00:10:52,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:10:52,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74262326] [2024-11-24 00:10:52,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:52,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:10:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:52,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:10:52,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74262326] [2024-11-24 00:10:52,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74262326] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:10:52,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [189187293] [2024-11-24 00:10:52,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:52,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:10:52,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:52,935 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:10:52,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-11-24 00:10:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:53,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:10:53,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:10:53,066 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:10:53,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [189187293] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:10:53,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:10:53,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-24 00:10:53,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746281905] [2024-11-24 00:10:53,142 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:10:53,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:10:53,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:10:53,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:10:53,184 INFO L87 Difference]: Start difference. First operand 4940 states and 7990 transitions. cyclomatic complexity: 3060 Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-11-24 00:10:53,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:10:53,276 INFO L93 Difference]: Finished difference Result 8580 states and 13776 transitions. [2024-11-24 00:10:53,276 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8580 states and 13776 transitions. [2024-11-24 00:10:53,329 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 5354 [2024-11-24 00:10:53,391 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8580 states to 8580 states and 13776 transitions. [2024-11-24 00:10:53,391 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5438 [2024-11-24 00:10:53,400 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5438 [2024-11-24 00:10:53,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8580 states and 13776 transitions. [2024-11-24 00:10:53,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-24 00:10:53,406 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8580 states and 13776 transitions. [2024-11-24 00:10:53,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8580 states and 13776 transitions. [2024-11-24 00:10:53,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8580 to 8580. [2024-11-24 00:10:53,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8580 states, 8580 states have (on average 1.6055944055944056) internal successors, (13776), 8579 states have internal predecessors, (13776), 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) [2024-11-24 00:10:53,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8580 states to 8580 states and 13776 transitions. [2024-11-24 00:10:53,652 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8580 states and 13776 transitions. [2024-11-24 00:10:53,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:10:53,653 INFO L425 stractBuchiCegarLoop]: Abstraction has 8580 states and 13776 transitions. [2024-11-24 00:10:53,653 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-11-24 00:10:53,653 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8580 states and 13776 transitions. [2024-11-24 00:10:53,727 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 5354 [2024-11-24 00:10:53,727 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:10:53,727 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:10:53,728 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] [2024-11-24 00:10:53,728 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:10:53,728 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(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0;" "assume !(1 == ~c_req_up~0);" "assume 1 == ~wl_i~0;~wl_st~0 := 0;" "assume 1 == ~c1_i~0;~c1_st~0 := 0;" "assume 1 == ~c2_i~0;~c2_st~0 := 0;" "assume 1 == ~wb_i~0;~wb_st~0 := 0;" "assume !(1 == ~r_i~0);~r_st~0 := 2;" "assume !(0 == ~e_f~0);" "assume !(0 == ~e_g~0);" "assume !(0 == ~e_e~0);" "assume !(0 == ~e_c~0);" "assume !(0 == ~e_wl~0);" "assume !(1 == ~wl_pc~0);" "assume !(2 == ~wl_pc~0);" "assume !(1 == ~c1_pc~0);" "assume !(1 == ~c2_pc~0);" "assume !(1 == ~wb_pc~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_e~0);" "assume !(1 == ~e_f~0);" "assume !(1 == ~e_g~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_wl~0);" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1;" [2024-11-24 00:10:53,729 INFO L749 eck$LassoCheckResult]: Loop: "assume 0 == ~wl_st~0;" "assume 0 == ~wl_st~0;havoc eval_#t~nondet4#1;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1;" "assume !(0 != eval_~tmp~0#1);" "assume 0 == ~c1_st~0;havoc eval_#t~nondet5#1;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1;" "assume !(0 != eval_~tmp___0~0#1);" "assume 0 == ~c2_st~0;havoc eval_#t~nondet6#1;eval_~tmp___1~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1;" "assume !(0 != eval_~tmp___1~0#1);" "assume 0 == ~wb_st~0;havoc eval_#t~nondet7#1;eval_~tmp___2~0#1 := eval_#t~nondet7#1;havoc eval_#t~nondet7#1;" "assume !(0 != eval_~tmp___2~0#1);" "assume !(0 == ~r_st~0);" [2024-11-24 00:10:53,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:53,729 INFO L85 PathProgramCache]: Analyzing trace with hash -666176964, now seen corresponding path program 5 times [2024-11-24 00:10:53,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:10:53,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287703759] [2024-11-24 00:10:53,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:53,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:10:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:53,742 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:10:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:53,757 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:10:53,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:53,758 INFO L85 PathProgramCache]: Analyzing trace with hash 590146074, now seen corresponding path program 1 times [2024-11-24 00:10:53,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:10:53,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687993923] [2024-11-24 00:10:53,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:53,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:10:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:53,762 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:10:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:53,765 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:10:53,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:53,766 INFO L85 PathProgramCache]: Analyzing trace with hash 682004117, now seen corresponding path program 1 times [2024-11-24 00:10:53,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:10:53,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118174030] [2024-11-24 00:10:53,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:53,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:10:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:53,776 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:10:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:53,786 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:10:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:55,301 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:10:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:55,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 12:10:55 BoogieIcfgContainer [2024-11-24 00:10:55,482 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-24 00:10:55,482 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:10:55,483 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:10:55,483 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:10:55,486 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:10:43" (3/4) ... [2024-11-24 00:10:55,488 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-24 00:10:55,593 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 00:10:55,593 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:10:55,594 INFO L158 Benchmark]: Toolchain (without parser) took 13996.55ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 93.1MB in the beginning and 130.4MB in the end (delta: -37.3MB). Peak memory consumption was 100.5MB. Max. memory is 16.1GB. [2024-11-24 00:10:55,594 INFO L158 Benchmark]: CDTParser took 1.01ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:10:55,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.10ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 78.1MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:10:55,595 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.39ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 76.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:10:55,597 INFO L158 Benchmark]: Boogie Preprocessor took 88.76ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 73.9MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:10:55,597 INFO L158 Benchmark]: RCFGBuilder took 957.38ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 49.0MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 00:10:55,598 INFO L158 Benchmark]: BuchiAutomizer took 12265.56ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 48.8MB in the beginning and 136.3MB in the end (delta: -87.5MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2024-11-24 00:10:55,598 INFO L158 Benchmark]: Witness Printer took 110.42ms. Allocated memory is still 260.0MB. Free memory was 136.3MB in the beginning and 130.4MB in the end (delta: 5.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:10:55,602 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.01ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 505.10ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 78.1MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.39ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 76.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 88.76ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 73.9MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 957.38ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 49.0MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 12265.56ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 48.8MB in the beginning and 136.3MB in the end (delta: -87.5MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * Witness Printer took 110.42ms. Allocated memory is still 260.0MB. Free memory was 136.3MB in the beginning and 130.4MB in the end (delta: 5.9MB). 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 12 terminating modules (10 trivial, 2 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function (((long long) -1 * e_c) + 1) and consists of 3 locations. One deterministic module has affine ranking function (((long long) -1 * e_c) + 1) and consists of 3 locations. 10 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 8580 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.0s and 11 iterations. TraceHistogramMax:1. Analysis of lassos took 8.9s. Construction of modules took 0.3s. Büchi inclusion checks took 2.3s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 8. Automata minimization 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 629 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.4s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3499 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3497 mSDsluCounter, 4761 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2014 mSDsCounter, 108 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 180 IncrementalHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 108 mSolverCounterUnsat, 2747 mSDtfsCounter, 180 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc3 concLT0 SILN0 SILU0 SILI3 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital79 mio100 ax100 hnf100 lsp12 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq184 hnf97 smp100 dnf152 smp86 tf109 neg100 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 13 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 300]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L28] int c ; [L29] int c_t ; [L30] int c_req_up ; [L31] int p_in ; [L32] int p_out ; [L33] int wl_st ; [L34] int c1_st ; [L35] int c2_st ; [L36] int wb_st ; [L37] int r_st ; [L38] int wl_i ; [L39] int c1_i ; [L40] int c2_i ; [L41] int wb_i ; [L42] int r_i ; [L43] int wl_pc ; [L44] int c1_pc ; [L45] int c2_pc ; [L46] int wb_pc ; [L47] int e_e ; [L48] int e_f ; [L49] int e_g ; [L50] int e_c ; [L51] int e_p_in ; [L52] int e_wl ; [L58] int d ; [L59] int data ; [L60] int processed ; [L61] static int t_b ; VAL [c1_i=0, c1_pc=0, c1_st=0, c2_i=0, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=0, e_e=0, e_f=0, e_g=0, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=0, wb_pc=0, wb_st=0, wl_i=0, wl_pc=0, wl_st=0] [L693] int __retres1 ; [L697] e_wl = 2 [L698] e_c = e_wl [L699] e_g = e_c [L700] e_f = e_g [L701] e_e = e_f [L702] wl_pc = 0 [L703] c1_pc = 0 [L704] c2_pc = 0 [L705] wb_pc = 0 [L706] wb_i = 1 [L707] c2_i = wb_i [L708] c1_i = c2_i [L709] wl_i = c1_i [L710] r_i = 0 [L711] c_req_up = 0 [L712] d = 0 [L713] c = 0 [L714] CALL start_simulation() [L404] int kernel_st ; [L407] kernel_st = 0 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L408] COND FALSE !((int )c_req_up == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L419] COND TRUE (int )wl_i == 1 [L420] wl_st = 0 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L424] COND TRUE (int )c1_i == 1 [L425] c1_st = 0 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L429] COND TRUE (int )c2_i == 1 [L430] c2_st = 0 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L434] COND TRUE (int )wb_i == 1 [L435] wb_st = 0 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L439] COND FALSE !((int )r_i == 1) [L442] r_st = 2 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L444] COND FALSE !((int )e_f == 0) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L449] COND FALSE !((int )e_g == 0) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L454] COND FALSE !((int )e_e == 0) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L459] COND FALSE !((int )e_c == 0) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L464] COND FALSE !((int )e_wl == 0) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L469] COND FALSE !((int )wl_pc == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L477] COND FALSE !((int )wl_pc == 2) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L487] COND FALSE !((int )c1_pc == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L496] COND FALSE !((int )c2_pc == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L505] COND FALSE !((int )wb_pc == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L514] COND FALSE !((int )e_c == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L519] COND FALSE !((int )e_e == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L524] COND FALSE !((int )e_f == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L529] COND FALSE !((int )e_g == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L534] COND FALSE !((int )e_c == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L539] COND FALSE !((int )e_wl == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L548] kernel_st = 1 [L549] CALL eval() [L290] int tmp ; [L291] int tmp___0 ; [L292] int tmp___1 ; [L293] int tmp___2 ; [L294] int tmp___3 ; VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] Loop: [L300] COND TRUE (int )wl_st == 0 [L321] COND TRUE (int )wl_st == 0 [L323] tmp = __VERIFIER_nondet_int() [L325] COND FALSE !(\read(tmp)) [L336] COND TRUE (int )c1_st == 0 [L338] tmp___0 = __VERIFIER_nondet_int() [L340] COND FALSE !(\read(tmp___0)) [L351] COND TRUE (int )c2_st == 0 [L353] tmp___1 = __VERIFIER_nondet_int() [L355] COND FALSE !(\read(tmp___1)) [L366] COND TRUE (int )wb_st == 0 [L368] tmp___2 = __VERIFIER_nondet_int() [L370] COND FALSE !(\read(tmp___2)) [L381] COND FALSE !((int )r_st == 0) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 300]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L28] int c ; [L29] int c_t ; [L30] int c_req_up ; [L31] int p_in ; [L32] int p_out ; [L33] int wl_st ; [L34] int c1_st ; [L35] int c2_st ; [L36] int wb_st ; [L37] int r_st ; [L38] int wl_i ; [L39] int c1_i ; [L40] int c2_i ; [L41] int wb_i ; [L42] int r_i ; [L43] int wl_pc ; [L44] int c1_pc ; [L45] int c2_pc ; [L46] int wb_pc ; [L47] int e_e ; [L48] int e_f ; [L49] int e_g ; [L50] int e_c ; [L51] int e_p_in ; [L52] int e_wl ; [L58] int d ; [L59] int data ; [L60] int processed ; [L61] static int t_b ; VAL [c1_i=0, c1_pc=0, c1_st=0, c2_i=0, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=0, e_e=0, e_f=0, e_g=0, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=0, wb_pc=0, wb_st=0, wl_i=0, wl_pc=0, wl_st=0] [L693] int __retres1 ; [L697] e_wl = 2 [L698] e_c = e_wl [L699] e_g = e_c [L700] e_f = e_g [L701] e_e = e_f [L702] wl_pc = 0 [L703] c1_pc = 0 [L704] c2_pc = 0 [L705] wb_pc = 0 [L706] wb_i = 1 [L707] c2_i = wb_i [L708] c1_i = c2_i [L709] wl_i = c1_i [L710] r_i = 0 [L711] c_req_up = 0 [L712] d = 0 [L713] c = 0 [L714] CALL start_simulation() [L404] int kernel_st ; [L407] kernel_st = 0 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L408] COND FALSE !((int )c_req_up == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L419] COND TRUE (int )wl_i == 1 [L420] wl_st = 0 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L424] COND TRUE (int )c1_i == 1 [L425] c1_st = 0 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L429] COND TRUE (int )c2_i == 1 [L430] c2_st = 0 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L434] COND TRUE (int )wb_i == 1 [L435] wb_st = 0 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L439] COND FALSE !((int )r_i == 1) [L442] r_st = 2 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L444] COND FALSE !((int )e_f == 0) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L449] COND FALSE !((int )e_g == 0) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L454] COND FALSE !((int )e_e == 0) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L459] COND FALSE !((int )e_c == 0) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L464] COND FALSE !((int )e_wl == 0) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L469] COND FALSE !((int )wl_pc == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L477] COND FALSE !((int )wl_pc == 2) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L487] COND FALSE !((int )c1_pc == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L496] COND FALSE !((int )c2_pc == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L505] COND FALSE !((int )wb_pc == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L514] COND FALSE !((int )e_c == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L519] COND FALSE !((int )e_e == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L524] COND FALSE !((int )e_f == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L529] COND FALSE !((int )e_g == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L534] COND FALSE !((int )e_c == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L539] COND FALSE !((int )e_wl == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L548] kernel_st = 1 [L549] CALL eval() [L290] int tmp ; [L291] int tmp___0 ; [L292] int tmp___1 ; [L293] int tmp___2 ; [L294] int tmp___3 ; VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] Loop: [L300] COND TRUE (int )wl_st == 0 [L321] COND TRUE (int )wl_st == 0 [L323] tmp = __VERIFIER_nondet_int() [L325] COND FALSE !(\read(tmp)) [L336] COND TRUE (int )c1_st == 0 [L338] tmp___0 = __VERIFIER_nondet_int() [L340] COND FALSE !(\read(tmp___0)) [L351] COND TRUE (int )c2_st == 0 [L353] tmp___1 = __VERIFIER_nondet_int() [L355] COND FALSE !(\read(tmp___1)) [L366] COND TRUE (int )wb_st == 0 [L368] tmp___2 = __VERIFIER_nondet_int() [L370] COND FALSE !(\read(tmp___2)) [L381] COND FALSE !((int )r_st == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 00:10:55,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2024-11-24 00:10:55,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2024-11-24 00:10:56,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-11-24 00:10:56,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-11-24 00:10:56,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-24 00:10:56,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-24 00:10:56,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-24 00:10:57,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-24 00:10:57,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-24 00:10:57,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-24 00:10:57,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-24 00:10:57,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 00:10:58,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 00:10:58,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85de0e67-e58f-4d0b-9541-839209d9be9f/bin/uautomizer-verify-LYvppIcaGC/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)