./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/systemc/toy.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a8eabec1830ab654b41f6937ec2f9359cd3dd371ede66eafc352bac48edda3b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:05:57,990 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:05:58,047 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-27 20:05:58,051 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:05:58,052 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:05:58,089 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:05:58,089 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:05:58,089 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:05:58,090 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:05:58,090 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:05:58,090 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:05:58,090 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:05:58,090 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:05:58,091 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-27 20:05:58,091 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-27 20:05:58,091 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-27 20:05:58,091 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-27 20:05:58,091 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-27 20:05:58,091 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-27 20:05:58,091 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:05:58,091 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-27 20:05:58,091 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:05:58,093 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:05:58,093 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:05:58,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:05:58,094 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-27 20:05:58,094 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-27 20:05:58,094 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-27 20:05:58,094 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:05:58,094 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:05:58,094 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:05:58,094 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-27 20:05:58,095 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:05:58,095 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:05:58,095 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:05:58,095 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:05:58,095 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:05:58,095 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-27 20:05:58,095 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-27 20:05:58,096 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_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a8eabec1830ab654b41f6937ec2f9359cd3dd371ede66eafc352bac48edda3b [2024-11-27 20:05:58,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:05:58,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:05:58,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:05:58,420 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:05:58,420 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:05:58,421 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/systemc/toy.cil.c [2024-11-27 20:06:01,482 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/data/c8ed59951/b142ab039a6a45238793073b28a67a89/FLAG91d3974c8 [2024-11-27 20:06:01,801 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:06:01,802 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/sv-benchmarks/c/systemc/toy.cil.c [2024-11-27 20:06:01,812 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/data/c8ed59951/b142ab039a6a45238793073b28a67a89/FLAG91d3974c8 [2024-11-27 20:06:01,834 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/data/c8ed59951/b142ab039a6a45238793073b28a67a89 [2024-11-27 20:06:01,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:06:01,841 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:06:01,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:06:01,845 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:06:01,853 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:06:01,854 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:06:01" (1/1) ... [2024-11-27 20:06:01,854 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21fb54b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:01, skipping insertion in model container [2024-11-27 20:06:01,855 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:06:01" (1/1) ... [2024-11-27 20:06:01,896 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:06:02,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:06:02,179 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:06:02,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:06:02,256 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:06:02,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:02 WrapperNode [2024-11-27 20:06:02,257 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:06:02,258 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:06:02,258 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:06:02,258 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:06:02,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:02" (1/1) ... [2024-11-27 20:06:02,279 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:02" (1/1) ... [2024-11-27 20:06:02,318 INFO L138 Inliner]: procedures = 20, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 356 [2024-11-27 20:06:02,319 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:06:02,319 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:06:02,320 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:06:02,320 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:06:02,330 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:02" (1/1) ... [2024-11-27 20:06:02,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:02" (1/1) ... [2024-11-27 20:06:02,332 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:02" (1/1) ... [2024-11-27 20:06:02,355 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]. [2024-11-27 20:06:02,359 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:02" (1/1) ... [2024-11-27 20:06:02,359 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:02" (1/1) ... [2024-11-27 20:06:02,368 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:02" (1/1) ... [2024-11-27 20:06:02,369 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:02" (1/1) ... [2024-11-27 20:06:02,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:02" (1/1) ... [2024-11-27 20:06:02,387 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:02" (1/1) ... [2024-11-27 20:06:02,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:02" (1/1) ... [2024-11-27 20:06:02,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:06:02,395 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:06:02,395 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:06:02,395 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:06:02,396 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:02" (1/1) ... [2024-11-27 20:06:02,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:02,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:02,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:02,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-27 20:06:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:06:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:06:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:06:02,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:06:02,578 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:06:02,580 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:06:03,132 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-27 20:06:03,132 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:06:03,149 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:06:03,149 INFO L312 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-27 20:06:03,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:06:03 BoogieIcfgContainer [2024-11-27 20:06:03,149 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:06:03,150 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-27 20:06:03,150 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-27 20:06:03,157 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-27 20:06:03,157 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:06:03,158 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.11 08:06:01" (1/3) ... [2024-11-27 20:06:03,159 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19646b1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 08:06:03, skipping insertion in model container [2024-11-27 20:06:03,159 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:06:03,159 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:02" (2/3) ... [2024-11-27 20:06:03,159 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19646b1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 08:06:03, skipping insertion in model container [2024-11-27 20:06:03,159 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:06:03,159 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:06:03" (3/3) ... [2024-11-27 20:06:03,161 INFO L363 chiAutomizerObserver]: Analyzing ICFG toy.cil.c [2024-11-27 20:06:03,215 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-27 20:06:03,216 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-27 20:06:03,216 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-27 20:06:03,216 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-27 20:06:03,216 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-27 20:06:03,216 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-27 20:06:03,216 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-27 20:06:03,216 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-27 20:06:03,222 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) [2024-11-27 20:06:03,244 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 91 [2024-11-27 20:06:03,244 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:06:03,244 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:06:03,252 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] [2024-11-27 20:06:03,253 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] [2024-11-27 20:06:03,253 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-27 20:06:03,254 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) [2024-11-27 20:06:03,265 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 91 [2024-11-27 20:06:03,267 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:06:03,267 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:06:03,269 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] [2024-11-27 20:06:03,269 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] [2024-11-27 20:06:03,278 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0;" "assume !(1 == ~c_req_up~0);" "assume !(1 == ~wl_i~0);~wl_st~0 := 2;" "assume !(1 == ~c1_i~0);~c1_st~0 := 2;" "assume 1 == ~c2_i~0;~c2_st~0 := 0;" "assume !(1 == ~wb_i~0);~wb_st~0 := 2;" "assume !(1 == ~r_i~0);~r_st~0 := 2;" "assume !(0 == ~e_f~0);" "assume !(0 == ~e_g~0);" "assume !(0 == ~e_e~0);" "assume !(0 == ~e_c~0);" "assume !(0 == ~e_wl~0);" "assume !(1 == ~wl_pc~0);" "assume !(2 == ~wl_pc~0);" "assume !(1 == ~c1_pc~0);" "assume !(1 == ~c2_pc~0);" "assume !(1 == ~wb_pc~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_e~0);" "assume !(1 == ~e_f~0);" "assume !(1 == ~e_g~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_wl~0);" [2024-11-27 20:06:03,278 INFO L749 eck$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;" [2024-11-27 20:06:03,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:03,284 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 1 times [2024-11-27 20:06:03,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:03,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249103259] [2024-11-27 20:06:03,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:03,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:03,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 20:06:03,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249103259] [2024-11-27 20:06:03,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249103259] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:03,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921803489] [2024-11-27 20:06:03,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:03,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:03,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:03,696 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:03,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:06:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:03,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:06:03,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:03,824 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:03,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921803489] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:06:03,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:06:03,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4 [2024-11-27 20:06:03,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213021318] [2024-11-27 20:06:03,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:03,852 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 20:06:03,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:03,853 INFO L85 PathProgramCache]: Analyzing trace with hash 106871729, now seen corresponding path program 1 times [2024-11-27 20:06:03,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:03,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053966734] [2024-11-27 20:06:03,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:03,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:03,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 20:06:03,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053966734] [2024-11-27 20:06:03,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053966734] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:03,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310433538] [2024-11-27 20:06:03,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:03,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:03,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:03,874 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:03,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:06:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:03,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:06:03,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:03,931 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:03,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310433538] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:06:03,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:06:03,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-11-27 20:06:03,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519967041] [2024-11-27 20:06:03,935 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:03,936 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-27 20:06:03,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 20:06:03,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:06:03,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:06:03,968 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) [2024-11-27 20:06:03,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:03,989 INFO L93 Difference]: Finished difference Result 124 states and 218 transitions. [2024-11-27 20:06:03,991 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 218 transitions. [2024-11-27 20:06:03,999 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 88 [2024-11-27 20:06:04,011 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 119 states and 213 transitions. [2024-11-27 20:06:04,012 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 119 [2024-11-27 20:06:04,014 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 119 [2024-11-27 20:06:04,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 119 states and 213 transitions. [2024-11-27 20:06:04,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 20:06:04,017 INFO L218 hiAutomatonCegarLoop]: Abstraction has 119 states and 213 transitions. [2024-11-27 20:06:04,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states and 213 transitions. [2024-11-27 20:06:04,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-27 20:06:04,053 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) [2024-11-27 20:06:04,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 213 transitions. [2024-11-27 20:06:04,058 INFO L240 hiAutomatonCegarLoop]: Abstraction has 119 states and 213 transitions. [2024-11-27 20:06:04,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:06:04,065 INFO L425 stractBuchiCegarLoop]: Abstraction has 119 states and 213 transitions. [2024-11-27 20:06:04,065 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-27 20:06:04,065 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 119 states and 213 transitions. [2024-11-27 20:06:04,068 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 88 [2024-11-27 20:06:04,068 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:06:04,068 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:06:04,069 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] [2024-11-27 20:06:04,069 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] [2024-11-27 20:06:04,070 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0;" "assume !(1 == ~c_req_up~0);" "assume !(1 == ~wl_i~0);~wl_st~0 := 2;" "assume !(1 == ~c1_i~0);~c1_st~0 := 2;" "assume 1 == ~c2_i~0;~c2_st~0 := 0;" "assume !(1 == ~wb_i~0);~wb_st~0 := 2;" "assume !(1 == ~r_i~0);~r_st~0 := 2;" "assume !(0 == ~e_f~0);" "assume !(0 == ~e_g~0);" "assume !(0 == ~e_e~0);" "assume !(0 == ~e_c~0);" "assume !(0 == ~e_wl~0);" "assume !(1 == ~wl_pc~0);" "assume !(2 == ~wl_pc~0);" "assume !(1 == ~c1_pc~0);" "assume !(1 == ~c2_pc~0);" "assume !(1 == ~wb_pc~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_e~0);" "assume !(1 == ~e_f~0);" "assume !(1 == ~e_g~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_wl~0);" [2024-11-27 20:06:04,070 INFO L749 eck$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;" [2024-11-27 20:06:04,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:04,070 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 2 times [2024-11-27 20:06:04,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:04,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695657025] [2024-11-27 20:06:04,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:04,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:04,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 20:06:04,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695657025] [2024-11-27 20:06:04,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695657025] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:04,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243912231] [2024-11-27 20:06:04,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:04,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:04,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:04,235 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:04,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:06:04,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:04,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:06:04,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:04,346 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:04,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243912231] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:06:04,365 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:06:04,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4 [2024-11-27 20:06:04,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416565172] [2024-11-27 20:06:04,365 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:04,365 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 20:06:04,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:04,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1167114184, now seen corresponding path program 1 times [2024-11-27 20:06:04,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:04,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979652286] [2024-11-27 20:06:04,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:04,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:04,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 20:06:04,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979652286] [2024-11-27 20:06:04,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979652286] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:04,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869543299] [2024-11-27 20:06:04,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:04,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:04,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:04,400 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:04,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 20:06:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:04,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:06:04,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:04,481 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:04,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869543299] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:06:04,503 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:06:04,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-27 20:06:04,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028311486] [2024-11-27 20:06:04,504 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:04,504 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-27 20:06:04,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 20:06:04,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:06:04,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:06:04,505 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) [2024-11-27 20:06:04,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:04,547 INFO L93 Difference]: Finished difference Result 119 states and 211 transitions. [2024-11-27 20:06:04,547 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 119 states and 211 transitions. [2024-11-27 20:06:04,548 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 88 [2024-11-27 20:06:04,549 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 119 states to 119 states and 211 transitions. [2024-11-27 20:06:04,550 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 119 [2024-11-27 20:06:04,550 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 119 [2024-11-27 20:06:04,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 119 states and 211 transitions. [2024-11-27 20:06:04,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 20:06:04,551 INFO L218 hiAutomatonCegarLoop]: Abstraction has 119 states and 211 transitions. [2024-11-27 20:06:04,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states and 211 transitions. [2024-11-27 20:06:04,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-27 20:06:04,555 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) [2024-11-27 20:06:04,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 211 transitions. [2024-11-27 20:06:04,557 INFO L240 hiAutomatonCegarLoop]: Abstraction has 119 states and 211 transitions. [2024-11-27 20:06:04,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:06:04,558 INFO L425 stractBuchiCegarLoop]: Abstraction has 119 states and 211 transitions. [2024-11-27 20:06:04,558 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-27 20:06:04,558 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 119 states and 211 transitions. [2024-11-27 20:06:04,559 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 88 [2024-11-27 20:06:04,559 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:06:04,559 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:06:04,560 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] [2024-11-27 20:06:04,560 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] [2024-11-27 20:06:04,560 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0;" "assume !(1 == ~c_req_up~0);" "assume 1 == ~wl_i~0;~wl_st~0 := 0;" "assume !(1 == ~c1_i~0);~c1_st~0 := 2;" "assume 1 == ~c2_i~0;~c2_st~0 := 0;" "assume 1 == ~wb_i~0;~wb_st~0 := 0;" "assume !(1 == ~r_i~0);~r_st~0 := 2;" "assume !(0 == ~e_f~0);" "assume !(0 == ~e_g~0);" "assume !(0 == ~e_e~0);" "assume !(0 == ~e_c~0);" "assume !(0 == ~e_wl~0);" "assume !(1 == ~wl_pc~0);" "assume !(2 == ~wl_pc~0);" "assume !(1 == ~c1_pc~0);" "assume !(1 == ~c2_pc~0);" "assume !(1 == ~wb_pc~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_e~0);" "assume !(1 == ~e_f~0);" "assume !(1 == ~e_g~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_wl~0);" [2024-11-27 20:06:04,560 INFO L749 eck$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;" [2024-11-27 20:06:04,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:04,561 INFO L85 PathProgramCache]: Analyzing trace with hash -562043371, now seen corresponding path program 1 times [2024-11-27 20:06:04,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:04,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875557141] [2024-11-27 20:06:04,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:04,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:04,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 20:06:04,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875557141] [2024-11-27 20:06:04,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875557141] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:04,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99546697] [2024-11-27 20:06:04,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:04,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:04,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:04,688 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:04,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 20:06:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:04,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:06:04,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:04,795 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:04,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99546697] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:06:04,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:06:04,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 6 [2024-11-27 20:06:04,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854804848] [2024-11-27 20:06:04,835 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:04,835 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 20:06:04,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:04,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1167114184, now seen corresponding path program 2 times [2024-11-27 20:06:04,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:04,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003551563] [2024-11-27 20:06:04,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:04,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:04,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 20:06:04,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003551563] [2024-11-27 20:06:04,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003551563] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:04,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439056938] [2024-11-27 20:06:04,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:04,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:04,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:04,887 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:04,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 20:06:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:04,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:06:04,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:04,970 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:04,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439056938] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:06:04,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:06:04,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-27 20:06:04,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216832292] [2024-11-27 20:06:04,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:04,996 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-27 20:06:04,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 20:06:04,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:06:04,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:06:04,996 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) [2024-11-27 20:06:05,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:05,056 INFO L93 Difference]: Finished difference Result 119 states and 209 transitions. [2024-11-27 20:06:05,057 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 119 states and 209 transitions. [2024-11-27 20:06:05,058 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 88 [2024-11-27 20:06:05,060 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 119 states to 119 states and 209 transitions. [2024-11-27 20:06:05,060 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 119 [2024-11-27 20:06:05,060 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 119 [2024-11-27 20:06:05,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 119 states and 209 transitions. [2024-11-27 20:06:05,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 20:06:05,064 INFO L218 hiAutomatonCegarLoop]: Abstraction has 119 states and 209 transitions. [2024-11-27 20:06:05,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states and 209 transitions. [2024-11-27 20:06:05,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-27 20:06:05,073 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) [2024-11-27 20:06:05,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 209 transitions. [2024-11-27 20:06:05,074 INFO L240 hiAutomatonCegarLoop]: Abstraction has 119 states and 209 transitions. [2024-11-27 20:06:05,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:06:05,081 INFO L425 stractBuchiCegarLoop]: Abstraction has 119 states and 209 transitions. [2024-11-27 20:06:05,081 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-27 20:06:05,081 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 119 states and 209 transitions. [2024-11-27 20:06:05,082 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 88 [2024-11-27 20:06:05,082 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:06:05,083 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:06:05,084 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] [2024-11-27 20:06:05,084 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] [2024-11-27 20:06:05,084 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0;" "assume !(1 == ~c_req_up~0);" "assume 1 == ~wl_i~0;~wl_st~0 := 0;" "assume 1 == ~c1_i~0;~c1_st~0 := 0;" "assume 1 == ~c2_i~0;~c2_st~0 := 0;" "assume 1 == ~wb_i~0;~wb_st~0 := 0;" "assume !(1 == ~r_i~0);~r_st~0 := 2;" "assume !(0 == ~e_f~0);" "assume !(0 == ~e_g~0);" "assume !(0 == ~e_e~0);" "assume !(0 == ~e_c~0);" "assume !(0 == ~e_wl~0);" "assume !(1 == ~wl_pc~0);" "assume !(2 == ~wl_pc~0);" "assume !(1 == ~c1_pc~0);" "assume !(1 == ~c2_pc~0);" "assume !(1 == ~wb_pc~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_e~0);" "assume !(1 == ~e_f~0);" "assume !(1 == ~e_g~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_wl~0);" [2024-11-27 20:06:05,084 INFO L749 eck$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;" [2024-11-27 20:06:05,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:05,085 INFO L85 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 1 times [2024-11-27 20:06:05,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:05,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305954489] [2024-11-27 20:06:05,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:05,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:05,104 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:05,156 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:06:05,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:05,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1167114184, now seen corresponding path program 3 times [2024-11-27 20:06:05,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:05,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230108902] [2024-11-27 20:06:05,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:05,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:05,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 20:06:05,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230108902] [2024-11-27 20:06:05,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230108902] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:05,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879042076] [2024-11-27 20:06:05,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:05,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:05,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:05,212 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:05,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 20:06:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:05,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:06:05,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:05,301 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:05,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879042076] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:06:05,323 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:06:05,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-27 20:06:05,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830334067] [2024-11-27 20:06:05,324 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:05,325 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-27 20:06:05,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 20:06:05,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:06:05,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:06:05,326 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) [2024-11-27 20:06:05,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:05,390 INFO L93 Difference]: Finished difference Result 147 states and 260 transitions. [2024-11-27 20:06:05,390 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 147 states and 260 transitions. [2024-11-27 20:06:05,392 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 102 [2024-11-27 20:06:05,393 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 147 states to 147 states and 260 transitions. [2024-11-27 20:06:05,393 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 147 [2024-11-27 20:06:05,394 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 147 [2024-11-27 20:06:05,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 147 states and 260 transitions. [2024-11-27 20:06:05,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 20:06:05,399 INFO L218 hiAutomatonCegarLoop]: Abstraction has 147 states and 260 transitions. [2024-11-27 20:06:05,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states and 260 transitions. [2024-11-27 20:06:05,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-11-27 20:06:05,408 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) [2024-11-27 20:06:05,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 260 transitions. [2024-11-27 20:06:05,413 INFO L240 hiAutomatonCegarLoop]: Abstraction has 147 states and 260 transitions. [2024-11-27 20:06:05,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:06:05,414 INFO L425 stractBuchiCegarLoop]: Abstraction has 147 states and 260 transitions. [2024-11-27 20:06:05,414 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-27 20:06:05,414 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 147 states and 260 transitions. [2024-11-27 20:06:05,415 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 102 [2024-11-27 20:06:05,419 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:06:05,419 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:06:05,420 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] [2024-11-27 20:06:05,420 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] [2024-11-27 20:06:05,420 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);" [2024-11-27 20:06:05,420 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;" [2024-11-27 20:06:05,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:05,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1264875287, now seen corresponding path program 1 times [2024-11-27 20:06:05,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:05,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762616254] [2024-11-27 20:06:05,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:05,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:05,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 20:06:05,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762616254] [2024-11-27 20:06:05,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762616254] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:05,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027224953] [2024-11-27 20:06:05,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:05,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:05,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:05,512 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:05,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 20:06:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:05,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:06:05,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:05,638 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:05,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027224953] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:06:05,673 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:06:05,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 6 [2024-11-27 20:06:05,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79119266] [2024-11-27 20:06:05,673 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:05,673 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 20:06:05,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:05,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1224372486, now seen corresponding path program 1 times [2024-11-27 20:06:05,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:05,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525940716] [2024-11-27 20:06:05,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:05,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:05,680 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:05,687 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:06:06,059 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 20:06:06,060 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 20:06:06,060 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 20:06:06,060 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 20:06:06,060 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-27 20:06:06,060 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:06,060 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 20:06:06,061 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 20:06:06,061 INFO L132 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration5_Loop [2024-11-27 20:06:06,061 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 20:06:06,061 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 20:06:06,081 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,090 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,094 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,101 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,104 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,111 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,115 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,118 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,124 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,127 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,130 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,133 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,139 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,142 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,146 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,150 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,153 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,159 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,162 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,165 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,172 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,174 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,177 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,180 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,183 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,441 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 20:06:06,442 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-27 20:06:06,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:06,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:06,449 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:06,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-27 20:06:06,452 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:06:06,452 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:06:06,483 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 20:06:06,483 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 20:06:06,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-27 20:06:06,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:06,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:06,497 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:06,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-27 20:06:06,501 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:06:06,502 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:06:06,528 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 20:06:06,528 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~wb_pc~0=4} Honda state: {~wb_pc~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 20:06:06,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-27 20:06:06,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:06,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:06,542 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:06,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-27 20:06:06,546 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:06:06,546 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:06:06,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-27 20:06:06,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:06,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:06,580 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:06,584 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-27 20:06:06,584 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:06:06,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-27 20:06:06,602 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-27 20:06:06,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-27 20:06:06,612 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 20:06:06,612 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 20:06:06,612 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 20:06:06,612 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 20:06:06,612 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 20:06:06,613 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:06,613 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 20:06:06,613 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 20:06:06,613 INFO L132 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration5_Loop [2024-11-27 20:06:06,613 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 20:06:06,613 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 20:06:06,615 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,633 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,647 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,653 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,656 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,662 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,664 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,670 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,673 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,675 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,681 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,687 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,689 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,693 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,697 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,701 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,707 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,710 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,713 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,719 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,721 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,724 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,727 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,730 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,732 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,980 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 20:06:06,986 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 20:06:06,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:06,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:06,990 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:06,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-27 20:06:06,994 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 [2024-11-27 20:06:07,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:07,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:07,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:07,010 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-27 20:06:07,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:07,015 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-27 20:06:07,015 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:07,018 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:07,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-27 20:06:07,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:07,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:07,030 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:07,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-27 20:06:07,034 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 [2024-11-27 20:06:07,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:07,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:07,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:07,049 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-27 20:06:07,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:07,050 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-27 20:06:07,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:07,053 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:07,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:07,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:07,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:07,065 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:07,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-27 20:06:07,072 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 [2024-11-27 20:06:07,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:07,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:07,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:07,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:07,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:07,091 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:07,091 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:07,095 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 20:06:07,099 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-27 20:06:07,102 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-27 20:06:07,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:07,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:07,107 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:07,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-27 20:06:07,110 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 20:06:07,111 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-27 20:06:07,111 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 20:06:07,111 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -1*~e_c~0 + 1 Supporting invariants [] [2024-11-27 20:06:07,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-27 20:06:07,124 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-27 20:06:07,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:07,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 20:06:07,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:07,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:06:07,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:07,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:06:07,361 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 [2024-11-27 20:06:07,362 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) [2024-11-27 20:06:07,483 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. [2024-11-27 20:06:07,487 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 [2024-11-27 20:06:07,488 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) [2024-11-27 20:06:07,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 365 transitions. [2024-11-27 20:06:07,493 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 365 transitions. Stem has 24 letters. Loop has 26 letters. [2024-11-27 20:06:07,495 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:06:07,496 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 365 transitions. Stem has 50 letters. Loop has 26 letters. [2024-11-27 20:06:07,498 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:06:07,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 365 transitions. Stem has 24 letters. Loop has 52 letters. [2024-11-27 20:06:07,499 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:06:07,499 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 461 states and 815 transitions. [2024-11-27 20:06:07,506 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 306 [2024-11-27 20:06:07,515 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 461 states to 461 states and 815 transitions. [2024-11-27 20:06:07,516 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 352 [2024-11-27 20:06:07,517 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 356 [2024-11-27 20:06:07,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 461 states and 815 transitions. [2024-11-27 20:06:07,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 20:06:07,518 INFO L218 hiAutomatonCegarLoop]: Abstraction has 461 states and 815 transitions. [2024-11-27 20:06:07,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states and 815 transitions. [2024-11-27 20:06:07,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 355. [2024-11-27 20:06:07,535 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) [2024-11-27 20:06:07,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 628 transitions. [2024-11-27 20:06:07,537 INFO L240 hiAutomatonCegarLoop]: Abstraction has 355 states and 628 transitions. [2024-11-27 20:06:07,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 20:06:07,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:06:07,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:06:07,538 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) [2024-11-27 20:06:07,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:07,654 INFO L93 Difference]: Finished difference Result 531 states and 894 transitions. [2024-11-27 20:06:07,654 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 531 states and 894 transitions. [2024-11-27 20:06:07,659 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 322 [2024-11-27 20:06:07,666 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 531 states to 531 states and 894 transitions. [2024-11-27 20:06:07,669 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 362 [2024-11-27 20:06:07,670 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 362 [2024-11-27 20:06:07,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 531 states and 894 transitions. [2024-11-27 20:06:07,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 20:06:07,671 INFO L218 hiAutomatonCegarLoop]: Abstraction has 531 states and 894 transitions. [2024-11-27 20:06:07,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states and 894 transitions. [2024-11-27 20:06:07,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 519. [2024-11-27 20:06:07,699 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) [2024-11-27 20:06:07,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 879 transitions. [2024-11-27 20:06:07,702 INFO L240 hiAutomatonCegarLoop]: Abstraction has 519 states and 879 transitions. [2024-11-27 20:06:07,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:06:07,703 INFO L425 stractBuchiCegarLoop]: Abstraction has 519 states and 879 transitions. [2024-11-27 20:06:07,704 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-27 20:06:07,704 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 519 states and 879 transitions. [2024-11-27 20:06:07,708 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 322 [2024-11-27 20:06:07,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:06:07,708 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:06:07,709 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] [2024-11-27 20:06:07,709 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] [2024-11-27 20:06:07,709 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0;" "assume !(1 == ~c_req_up~0);" "assume 1 == ~wl_i~0;~wl_st~0 := 0;" "assume 1 == ~c1_i~0;~c1_st~0 := 0;" "assume 1 == ~c2_i~0;~c2_st~0 := 0;" "assume 1 == ~wb_i~0;~wb_st~0 := 0;" "assume !(1 == ~r_i~0);~r_st~0 := 2;" "assume !(0 == ~e_f~0);" "assume !(0 == ~e_g~0);" "assume !(0 == ~e_e~0);" "assume !(0 == ~e_c~0);" "assume !(0 == ~e_wl~0);" "assume !(1 == ~wl_pc~0);" "assume !(2 == ~wl_pc~0);" "assume !(1 == ~c1_pc~0);" "assume !(1 == ~c2_pc~0);" "assume !(1 == ~wb_pc~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_e~0);" "assume !(1 == ~e_f~0);" "assume !(1 == ~e_g~0);" "assume !(1 == ~e_c~0);" "assume 1 == ~e_wl~0;~e_wl~0 := 2;" [2024-11-27 20:06:07,709 INFO L749 eck$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;" [2024-11-27 20:06:07,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:07,710 INFO L85 PathProgramCache]: Analyzing trace with hash 255605077, now seen corresponding path program 1 times [2024-11-27 20:06:07,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:07,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506331775] [2024-11-27 20:06:07,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:07,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:07,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-27 20:06:07,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 20:06:07,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506331775] [2024-11-27 20:06:07,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506331775] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:07,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59030620] [2024-11-27 20:06:07,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:07,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:07,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:07,829 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:07,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-27 20:06:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:07,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 20:06:07,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:07,941 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:07,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [59030620] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:06:07,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:06:07,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 2, 2] total 4 [2024-11-27 20:06:07,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775322129] [2024-11-27 20:06:07,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:07,995 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 20:06:07,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:07,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1849836476, now seen corresponding path program 1 times [2024-11-27 20:06:07,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:07,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302187364] [2024-11-27 20:06:07,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:07,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:08,009 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:08,021 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:06:08,242 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 20:06:08,243 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 20:06:08,243 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 20:06:08,243 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 20:06:08,243 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-27 20:06:08,243 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:08,243 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 20:06:08,243 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 20:06:08,243 INFO L132 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration6_Loop [2024-11-27 20:06:08,243 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 20:06:08,243 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 20:06:08,246 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:08,252 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:08,260 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:08,263 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:08,266 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:08,268 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:08,271 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:08,273 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:08,276 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:08,279 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:08,282 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:08,285 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:08,290 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:08,293 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:08,302 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:08,306 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:08,312 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:08,318 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:08,324 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:08,329 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:08,332 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:08,335 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:08,338 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:08,344 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:08,346 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:08,604 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 20:06:08,605 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-27 20:06:08,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:08,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:08,611 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:08,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-27 20:06:08,615 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:06:08,615 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:06:08,639 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 20:06:08,640 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~wb_pc~0=4} Honda state: {~wb_pc~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 20:06:08,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:08,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:08,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:08,652 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:08,656 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:06:08,656 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:06:08,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-27 20:06:08,681 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 20:06:08,681 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_f~0=-1} Honda state: {~e_f~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 20:06:08,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:08,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:08,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:08,691 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:08,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-27 20:06:08,694 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:06:08,694 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:06:08,712 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 20:06:08,713 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 20:06:08,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-27 20:06:08,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:08,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:08,729 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:08,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-27 20:06:08,740 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:06:08,740 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:06:08,752 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 20:06:08,752 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: [] [2024-11-27 20:06:08,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-27 20:06:08,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:08,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:08,764 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:08,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-27 20:06:08,766 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:06:08,766 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:06:08,778 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 20:06:08,778 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: [] [2024-11-27 20:06:08,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-27 20:06:08,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:08,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:08,786 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:08,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-27 20:06:08,789 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:06:08,789 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:06:08,801 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 20:06:08,801 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~wl_pc~0=1} Honda state: {~wl_pc~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 20:06:08,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-27 20:06:08,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:08,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:08,809 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:08,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-27 20:06:08,812 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:06:08,812 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:06:08,824 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 20:06:08,824 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: [] [2024-11-27 20:06:08,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-27 20:06:08,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:08,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:08,832 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:08,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-27 20:06:08,836 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:06:08,836 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:06:08,855 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 20:06:08,855 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: [] [2024-11-27 20:06:08,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-27 20:06:08,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:08,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:08,863 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:08,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-27 20:06:08,865 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:06:08,866 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:06:08,878 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 20:06:08,878 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: [] [2024-11-27 20:06:08,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-27 20:06:08,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:08,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:08,889 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:08,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-27 20:06:08,892 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:06:08,893 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:06:08,915 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 20:06:08,915 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 20:06:08,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-27 20:06:08,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:08,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:08,922 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:08,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-27 20:06:08,925 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:06:08,925 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:06:08,937 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 20:06:08,937 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: [] [2024-11-27 20:06:08,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-27 20:06:08,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:08,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:08,945 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:08,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-27 20:06:08,949 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:06:08,949 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:06:08,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-27 20:06:08,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:08,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:08,974 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:08,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-27 20:06:08,978 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-27 20:06:08,978 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:06:08,996 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-27 20:06:09,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-11-27 20:06:09,007 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 20:06:09,007 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 20:06:09,007 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 20:06:09,007 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 20:06:09,008 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 20:06:09,008 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:09,008 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 20:06:09,008 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 20:06:09,008 INFO L132 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration6_Loop [2024-11-27 20:06:09,008 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 20:06:09,008 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 20:06:09,010 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:09,014 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:09,017 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:09,026 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:09,029 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:09,032 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:09,035 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:09,037 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:09,040 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:09,048 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:09,050 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:09,054 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:09,057 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:09,059 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:09,064 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:09,068 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:09,070 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:09,072 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:09,078 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:09,084 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:09,093 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:09,098 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:09,101 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:09,104 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:09,111 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:09,377 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 20:06:09,377 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 20:06:09,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:09,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:09,383 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:09,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-27 20:06:09,388 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 [2024-11-27 20:06:09,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:09,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:09,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:09,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:09,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:09,404 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:09,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:09,409 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:09,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-11-27 20:06:09,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:09,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:09,420 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:09,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-27 20:06:09,424 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 [2024-11-27 20:06:09,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:09,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:09,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:09,438 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-27 20:06:09,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:09,440 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-27 20:06:09,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:09,442 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:09,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:09,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:09,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:09,453 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:09,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-27 20:06:09,457 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 [2024-11-27 20:06:09,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:09,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:09,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:09,472 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-27 20:06:09,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:09,473 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-27 20:06:09,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:09,479 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:09,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-11-27 20:06:09,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:09,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:09,490 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:09,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-27 20:06:09,494 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 [2024-11-27 20:06:09,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:09,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:09,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:09,508 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-27 20:06:09,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:09,509 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-27 20:06:09,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:09,514 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:09,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:09,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:09,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:09,525 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:09,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-27 20:06:09,532 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 [2024-11-27 20:06:09,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:09,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:09,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:09,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:09,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:09,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:09,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:09,549 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:09,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-11-27 20:06:09,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:09,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:09,561 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:09,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-27 20:06:09,565 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 [2024-11-27 20:06:09,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:09,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:09,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:09,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:09,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:09,581 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:09,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:09,586 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:09,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-11-27 20:06:09,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:09,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:09,598 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:09,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-27 20:06:09,603 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 [2024-11-27 20:06:09,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:09,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:09,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:09,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:09,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:09,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:09,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:09,618 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:09,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:09,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:09,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:09,630 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:09,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-27 20:06:09,634 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 [2024-11-27 20:06:09,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:09,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:09,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:09,645 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-27 20:06:09,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:09,645 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-27 20:06:09,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:09,648 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:09,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-11-27 20:06:09,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:09,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:09,660 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:09,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-27 20:06:09,662 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 [2024-11-27 20:06:09,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:09,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:09,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:09,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:09,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:09,674 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:09,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:09,678 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 20:06:09,680 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-27 20:06:09,680 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-27 20:06:09,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:09,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:09,682 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:09,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-27 20:06:09,685 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 20:06:09,685 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-27 20:06:09,685 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 20:06:09,685 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -1*~e_c~0 + 1 Supporting invariants [] [2024-11-27 20:06:09,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-11-27 20:06:09,694 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-27 20:06:09,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:09,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 20:06:09,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:09,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:06:09,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:09,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:06:09,866 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 [2024-11-27 20:06:09,867 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) [2024-11-27 20:06:09,919 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. [2024-11-27 20:06:09,920 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 [2024-11-27 20:06:09,921 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) [2024-11-27 20:06:09,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 352 transitions. [2024-11-27 20:06:09,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 352 transitions. Stem has 24 letters. Loop has 26 letters. [2024-11-27 20:06:09,923 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:06:09,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 352 transitions. Stem has 50 letters. Loop has 26 letters. [2024-11-27 20:06:09,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:06:09,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 352 transitions. Stem has 24 letters. Loop has 52 letters. [2024-11-27 20:06:09,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:06:09,925 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1012 states and 1720 transitions. [2024-11-27 20:06:09,934 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 644 [2024-11-27 20:06:09,944 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1012 states to 1012 states and 1720 transitions. [2024-11-27 20:06:09,944 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 677 [2024-11-27 20:06:09,946 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 682 [2024-11-27 20:06:09,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1012 states and 1720 transitions. [2024-11-27 20:06:09,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 20:06:09,946 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1012 states and 1720 transitions. [2024-11-27 20:06:09,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1012 states and 1720 transitions. [2024-11-27 20:06:09,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1012 to 519. [2024-11-27 20:06:09,964 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) [2024-11-27 20:06:09,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 879 transitions. [2024-11-27 20:06:09,967 INFO L240 hiAutomatonCegarLoop]: Abstraction has 519 states and 879 transitions. [2024-11-27 20:06:09,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 20:06:09,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:06:09,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:06:09,968 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) [2024-11-27 20:06:10,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-11-27 20:06:10,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:10,127 INFO L93 Difference]: Finished difference Result 1449 states and 2385 transitions. [2024-11-27 20:06:10,127 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1449 states and 2385 transitions. [2024-11-27 20:06:10,139 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 861 [2024-11-27 20:06:10,149 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1449 states to 1449 states and 2385 transitions. [2024-11-27 20:06:10,150 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 926 [2024-11-27 20:06:10,151 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 926 [2024-11-27 20:06:10,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1449 states and 2385 transitions. [2024-11-27 20:06:10,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 20:06:10,154 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1449 states and 2385 transitions. [2024-11-27 20:06:10,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1449 states and 2385 transitions. [2024-11-27 20:06:10,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1449 to 1439. [2024-11-27 20:06:10,193 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) [2024-11-27 20:06:10,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1439 states and 2375 transitions. [2024-11-27 20:06:10,200 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1439 states and 2375 transitions. [2024-11-27 20:06:10,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:06:10,201 INFO L425 stractBuchiCegarLoop]: Abstraction has 1439 states and 2375 transitions. [2024-11-27 20:06:10,202 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-27 20:06:10,202 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1439 states and 2375 transitions. [2024-11-27 20:06:10,210 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 857 [2024-11-27 20:06:10,210 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:06:10,210 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:06:10,211 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] [2024-11-27 20:06:10,211 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-27 20:06:10,212 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;" [2024-11-27 20:06:10,212 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);" [2024-11-27 20:06:10,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:10,212 INFO L85 PathProgramCache]: Analyzing trace with hash -666176964, now seen corresponding path program 1 times [2024-11-27 20:06:10,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:10,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371826284] [2024-11-27 20:06:10,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:10,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:10,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:10,225 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:10,235 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:06:10,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:10,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1975774259, now seen corresponding path program 1 times [2024-11-27 20:06:10,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:10,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874764088] [2024-11-27 20:06:10,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:10,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:10,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 20:06:10,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874764088] [2024-11-27 20:06:10,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874764088] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:10,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835826010] [2024-11-27 20:06:10,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:10,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:10,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:10,250 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:10,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-27 20:06:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:10,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:06:10,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:10,290 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:10,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835826010] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:06:10,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:06:10,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-11-27 20:06:10,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809462791] [2024-11-27 20:06:10,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:10,295 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-27 20:06:10,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 20:06:10,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:06:10,296 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:06:10,296 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) [2024-11-27 20:06:10,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:10,337 INFO L93 Difference]: Finished difference Result 1949 states and 3203 transitions. [2024-11-27 20:06:10,338 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1949 states and 3203 transitions. [2024-11-27 20:06:10,352 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1195 [2024-11-27 20:06:10,364 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1949 states to 1949 states and 3203 transitions. [2024-11-27 20:06:10,364 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1258 [2024-11-27 20:06:10,366 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1258 [2024-11-27 20:06:10,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1949 states and 3203 transitions. [2024-11-27 20:06:10,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 20:06:10,367 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1949 states and 3203 transitions. [2024-11-27 20:06:10,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1949 states and 3203 transitions. [2024-11-27 20:06:10,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1949 to 1941. [2024-11-27 20:06:10,405 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) [2024-11-27 20:06:10,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1941 states and 3195 transitions. [2024-11-27 20:06:10,414 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1941 states and 3195 transitions. [2024-11-27 20:06:10,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:06:10,415 INFO L425 stractBuchiCegarLoop]: Abstraction has 1941 states and 3195 transitions. [2024-11-27 20:06:10,415 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-27 20:06:10,415 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1941 states and 3195 transitions. [2024-11-27 20:06:10,426 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1190 [2024-11-27 20:06:10,426 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:06:10,426 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:06:10,427 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] [2024-11-27 20:06:10,427 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:10,427 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;" [2024-11-27 20:06:10,427 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);" [2024-11-27 20:06:10,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:10,427 INFO L85 PathProgramCache]: Analyzing trace with hash -666176964, now seen corresponding path program 2 times [2024-11-27 20:06:10,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:10,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324264909] [2024-11-27 20:06:10,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:10,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:10,435 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:10,445 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:06:10,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:10,445 INFO L85 PathProgramCache]: Analyzing trace with hash 743094604, now seen corresponding path program 1 times [2024-11-27 20:06:10,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:10,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372051908] [2024-11-27 20:06:10,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:10,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:10,449 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:10,451 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:06:10,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:10,452 INFO L85 PathProgramCache]: Analyzing trace with hash 437313201, now seen corresponding path program 1 times [2024-11-27 20:06:10,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:10,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390478239] [2024-11-27 20:06:10,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:10,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:10,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 20:06:10,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390478239] [2024-11-27 20:06:10,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390478239] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:10,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468901073] [2024-11-27 20:06:10,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:10,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:10,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:10,525 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:10,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-27 20:06:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:10,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:06:10,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:10,633 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:10,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468901073] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:06:10,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:06:10,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-27 20:06:10,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289861437] [2024-11-27 20:06:10,677 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:10,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 20:06:10,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:06:10,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:06:10,718 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) [2024-11-27 20:06:10,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:10,759 INFO L93 Difference]: Finished difference Result 3044 states and 4978 transitions. [2024-11-27 20:06:10,760 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3044 states and 4978 transitions. [2024-11-27 20:06:10,780 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1883 [2024-11-27 20:06:10,798 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3044 states to 3044 states and 4978 transitions. [2024-11-27 20:06:10,798 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1949 [2024-11-27 20:06:10,801 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1949 [2024-11-27 20:06:10,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3044 states and 4978 transitions. [2024-11-27 20:06:10,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 20:06:10,801 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3044 states and 4978 transitions. [2024-11-27 20:06:10,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3044 states and 4978 transitions. [2024-11-27 20:06:10,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3044 to 3044. [2024-11-27 20:06:10,858 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) [2024-11-27 20:06:10,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3044 states to 3044 states and 4978 transitions. [2024-11-27 20:06:10,871 INFO L240 hiAutomatonCegarLoop]: Abstraction has 3044 states and 4978 transitions. [2024-11-27 20:06:10,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:06:10,872 INFO L425 stractBuchiCegarLoop]: Abstraction has 3044 states and 4978 transitions. [2024-11-27 20:06:10,873 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-27 20:06:10,873 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3044 states and 4978 transitions. [2024-11-27 20:06:10,889 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1883 [2024-11-27 20:06:10,889 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:06:10,890 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:06:10,891 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] [2024-11-27 20:06:10,891 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:10,891 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;" [2024-11-27 20:06:10,892 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);" [2024-11-27 20:06:10,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:10,892 INFO L85 PathProgramCache]: Analyzing trace with hash -666176964, now seen corresponding path program 3 times [2024-11-27 20:06:10,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:10,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720924874] [2024-11-27 20:06:10,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:10,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:10,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:10,900 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:10,912 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:06:10,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:10,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1511278244, now seen corresponding path program 1 times [2024-11-27 20:06:10,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:10,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138305703] [2024-11-27 20:06:10,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:10,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:10,938 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:10,941 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:06:10,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:10,941 INFO L85 PathProgramCache]: Analyzing trace with hash 621989343, now seen corresponding path program 1 times [2024-11-27 20:06:10,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:10,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536729976] [2024-11-27 20:06:10,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:10,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:10,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 20:06:10,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536729976] [2024-11-27 20:06:10,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536729976] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:10,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121378138] [2024-11-27 20:06:10,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:10,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:10,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:10,975 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:10,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-27 20:06:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:11,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:06:11,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:11,079 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:11,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121378138] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:06:11,128 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:06:11,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-27 20:06:11,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011392486] [2024-11-27 20:06:11,129 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:11,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 20:06:11,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:06:11,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:06:11,173 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) [2024-11-27 20:06:11,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:11,232 INFO L93 Difference]: Finished difference Result 4940 states and 7990 transitions. [2024-11-27 20:06:11,232 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4940 states and 7990 transitions. [2024-11-27 20:06:11,267 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 3072 [2024-11-27 20:06:11,298 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4940 states to 4940 states and 7990 transitions. [2024-11-27 20:06:11,298 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3144 [2024-11-27 20:06:11,302 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3144 [2024-11-27 20:06:11,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4940 states and 7990 transitions. [2024-11-27 20:06:11,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 20:06:11,303 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4940 states and 7990 transitions. [2024-11-27 20:06:11,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4940 states and 7990 transitions. [2024-11-27 20:06:11,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4940 to 4940. [2024-11-27 20:06:11,385 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) [2024-11-27 20:06:11,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4940 states to 4940 states and 7990 transitions. [2024-11-27 20:06:11,406 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4940 states and 7990 transitions. [2024-11-27 20:06:11,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:06:11,407 INFO L425 stractBuchiCegarLoop]: Abstraction has 4940 states and 7990 transitions. [2024-11-27 20:06:11,407 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-27 20:06:11,407 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4940 states and 7990 transitions. [2024-11-27 20:06:11,445 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 3072 [2024-11-27 20:06:11,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:06:11,445 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:06:11,445 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] [2024-11-27 20:06:11,446 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:11,446 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;" [2024-11-27 20:06:11,446 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);" [2024-11-27 20:06:11,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:11,446 INFO L85 PathProgramCache]: Analyzing trace with hash -666176964, now seen corresponding path program 4 times [2024-11-27 20:06:11,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:11,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530518512] [2024-11-27 20:06:11,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:11,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:11,454 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:11,462 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:06:11,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:11,463 INFO L85 PathProgramCache]: Analyzing trace with hash -396603946, now seen corresponding path program 1 times [2024-11-27 20:06:11,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:11,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553714305] [2024-11-27 20:06:11,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:11,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:11,466 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:11,469 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:06:11,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:11,470 INFO L85 PathProgramCache]: Analyzing trace with hash 2100211195, now seen corresponding path program 1 times [2024-11-27 20:06:11,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:11,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279113322] [2024-11-27 20:06:11,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:11,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:11,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 20:06:11,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279113322] [2024-11-27 20:06:11,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279113322] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:11,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406537481] [2024-11-27 20:06:11,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:11,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:11,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:11,505 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:11,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-11-27 20:06:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:11,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:06:11,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:11,617 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:11,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [406537481] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:06:11,668 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:06:11,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-27 20:06:11,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434389305] [2024-11-27 20:06:11,668 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:11,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 20:06:11,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:06:11,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:06:11,706 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) [2024-11-27 20:06:11,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:11,783 INFO L93 Difference]: Finished difference Result 8580 states and 13776 transitions. [2024-11-27 20:06:11,783 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8580 states and 13776 transitions. [2024-11-27 20:06:11,830 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 5354 [2024-11-27 20:06:11,887 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8580 states to 8580 states and 13776 transitions. [2024-11-27 20:06:11,887 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5438 [2024-11-27 20:06:11,896 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5438 [2024-11-27 20:06:11,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8580 states and 13776 transitions. [2024-11-27 20:06:11,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 20:06:11,899 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8580 states and 13776 transitions. [2024-11-27 20:06:11,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8580 states and 13776 transitions. [2024-11-27 20:06:12,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8580 to 8580. [2024-11-27 20:06:12,128 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) [2024-11-27 20:06:12,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8580 states to 8580 states and 13776 transitions. [2024-11-27 20:06:12,163 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8580 states and 13776 transitions. [2024-11-27 20:06:12,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:06:12,164 INFO L425 stractBuchiCegarLoop]: Abstraction has 8580 states and 13776 transitions. [2024-11-27 20:06:12,164 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-11-27 20:06:12,164 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8580 states and 13776 transitions. [2024-11-27 20:06:12,226 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 5354 [2024-11-27 20:06:12,227 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:06:12,227 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:06:12,227 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] [2024-11-27 20:06:12,227 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:12,228 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;" [2024-11-27 20:06:12,228 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);" [2024-11-27 20:06:12,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:12,229 INFO L85 PathProgramCache]: Analyzing trace with hash -666176964, now seen corresponding path program 5 times [2024-11-27 20:06:12,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:12,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388898706] [2024-11-27 20:06:12,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:12,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:12,239 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:12,250 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:06:12,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:12,251 INFO L85 PathProgramCache]: Analyzing trace with hash 590146074, now seen corresponding path program 1 times [2024-11-27 20:06:12,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:12,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320085005] [2024-11-27 20:06:12,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:12,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:12,256 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:12,260 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:06:12,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:12,261 INFO L85 PathProgramCache]: Analyzing trace with hash 682004117, now seen corresponding path program 1 times [2024-11-27 20:06:12,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:12,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76565339] [2024-11-27 20:06:12,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:12,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:12,271 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:12,283 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:06:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:13,578 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:13,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.11 08:06:13 BoogieIcfgContainer [2024-11-27 20:06:13,720 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-27 20:06:13,721 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:06:13,724 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:06:13,724 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:06:13,725 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:06:03" (3/4) ... [2024-11-27 20:06:13,727 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-27 20:06:13,828 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 20:06:13,829 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:06:13,830 INFO L158 Benchmark]: Toolchain (without parser) took 11989.43ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 92.5MB in the beginning and 191.3MB in the end (delta: -98.8MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. [2024-11-27 20:06:13,830 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 74.5MB in the end (delta: 196.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:06:13,830 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.98ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 77.8MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:06:13,830 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.38ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 75.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:06:13,830 INFO L158 Benchmark]: Boogie Preprocessor took 74.59ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 73.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:06:13,833 INFO L158 Benchmark]: RCFGBuilder took 754.82ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 48.5MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 20:06:13,833 INFO L158 Benchmark]: BuchiAutomizer took 10569.77ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 48.5MB in the beginning and 197.1MB in the end (delta: -148.6MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-11-27 20:06:13,833 INFO L158 Benchmark]: Witness Printer took 108.22ms. Allocated memory is still 276.8MB. Free memory was 197.1MB in the beginning and 191.3MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:06:13,835 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 74.5MB in the end (delta: 196.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.98ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 77.8MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.38ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 75.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 74.59ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 73.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 754.82ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 48.5MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 10569.77ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 48.5MB in the beginning and 197.1MB in the end (delta: -148.6MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Witness Printer took 108.22ms. Allocated memory is still 276.8MB. Free memory was 197.1MB in the beginning and 191.3MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. 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 10.4s and 11 iterations. TraceHistogramMax:1. Analysis of lassos took 7.7s. Construction of modules took 0.3s. Büchi inclusion checks took 2.0s. 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 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3497 mSDsluCounter, 4761 SdHoareTripleChecker+Invalid, 0.3s 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: 31ms 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! [2024-11-27 20:06:13,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2024-11-27 20:06:14,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2024-11-27 20:06:14,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-11-27 20:06:14,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:14,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:14,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-27 20:06:15,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:15,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:15,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 20:06:15,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:15,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 20:06:16,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:16,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 20:06:16,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39369121-92b2-4b85-a7ce-0c354f5e9a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)