./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/systemc/toy1.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_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/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_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/systemc/toy1.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/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_f9ad01b0-e762-49df-816d-32f098bce64f/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 c40ed6d21fe4d61cae011269f1fdb95d05149cea0f3470f42c6e8f2fc8fb0d6a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:34:33,149 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:34:33,244 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-28 03:34:33,248 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:34:33,249 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:34:33,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:34:33,271 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:34:33,272 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:34:33,272 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:34:33,272 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:34:33,272 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:34:33,273 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:34:33,273 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:34:33,273 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 03:34:33,273 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 03:34:33,273 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 03:34:33,273 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 03:34:33,273 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 03:34:33,274 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 03:34:33,274 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:34:33,274 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 03:34:33,274 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:34:33,275 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:34:33,275 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:34:33,275 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:34:33,275 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 03:34:33,275 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 03:34:33,275 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 03:34:33,275 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:34:33,276 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:34:33,276 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:34:33,276 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 03:34:33,276 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:34:33,276 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:34:33,276 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:34:33,276 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:34:33,276 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:34:33,276 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 03:34:33,277 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 03:34:33,277 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_f9ad01b0-e762-49df-816d-32f098bce64f/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 -> c40ed6d21fe4d61cae011269f1fdb95d05149cea0f3470f42c6e8f2fc8fb0d6a [2024-11-28 03:34:33,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:34:33,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:34:33,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:34:33,590 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:34:33,590 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:34:33,591 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/systemc/toy1.cil.c [2024-11-28 03:34:36,547 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/data/53943a9d7/3e16f12485084fecb29e17b82b5793a9/FLAG5a29d080f [2024-11-28 03:34:36,800 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:34:36,800 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/sv-benchmarks/c/systemc/toy1.cil.c [2024-11-28 03:34:36,813 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/data/53943a9d7/3e16f12485084fecb29e17b82b5793a9/FLAG5a29d080f [2024-11-28 03:34:36,827 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/data/53943a9d7/3e16f12485084fecb29e17b82b5793a9 [2024-11-28 03:34:36,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:34:36,831 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:34:36,832 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:34:36,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:34:36,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:34:36,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:34:36" (1/1) ... [2024-11-28 03:34:36,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cbd1f15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:36, skipping insertion in model container [2024-11-28 03:34:36,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:34:36" (1/1) ... [2024-11-28 03:34:36,876 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:34:37,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:34:37,180 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:34:37,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:34:37,266 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:34:37,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:37 WrapperNode [2024-11-28 03:34:37,267 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:34:37,268 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:34:37,268 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:34:37,268 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:34:37,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:37" (1/1) ... [2024-11-28 03:34:37,280 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:37" (1/1) ... [2024-11-28 03:34:37,303 INFO L138 Inliner]: procedures = 20, calls = 17, calls flagged for inlining = 12, calls inlined = 13, statements flattened = 363 [2024-11-28 03:34:37,303 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:34:37,304 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:34:37,304 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:34:37,304 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:34:37,312 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:37" (1/1) ... [2024-11-28 03:34:37,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:37" (1/1) ... [2024-11-28 03:34:37,314 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:37" (1/1) ... [2024-11-28 03:34:37,333 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 03:34:37,334 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:37" (1/1) ... [2024-11-28 03:34:37,334 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:37" (1/1) ... [2024-11-28 03:34:37,339 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:37" (1/1) ... [2024-11-28 03:34:37,340 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:37" (1/1) ... [2024-11-28 03:34:37,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:37" (1/1) ... [2024-11-28 03:34:37,349 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:37" (1/1) ... [2024-11-28 03:34:37,351 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:37" (1/1) ... [2024-11-28 03:34:37,353 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:34:37,354 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:34:37,354 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:34:37,355 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:34:37,356 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:37" (1/1) ... [2024-11-28 03:34:37,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:34:37,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:37,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:34:37,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 03:34:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:34:37,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:34:37,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:34:37,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:34:37,501 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:34:37,503 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:34:38,026 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-28 03:34:38,026 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:34:38,038 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:34:38,039 INFO L312 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-28 03:34:38,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:34:38 BoogieIcfgContainer [2024-11-28 03:34:38,040 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:34:38,041 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 03:34:38,041 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 03:34:38,047 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 03:34:38,048 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:34:38,048 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:34:36" (1/3) ... [2024-11-28 03:34:38,049 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c83be90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:34:38, skipping insertion in model container [2024-11-28 03:34:38,050 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:34:38,050 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:37" (2/3) ... [2024-11-28 03:34:38,050 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c83be90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:34:38, skipping insertion in model container [2024-11-28 03:34:38,050 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:34:38,050 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:34:38" (3/3) ... [2024-11-28 03:34:38,052 INFO L363 chiAutomizerObserver]: Analyzing ICFG toy1.cil.c [2024-11-28 03:34:38,104 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 03:34:38,104 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 03:34:38,104 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 03:34:38,104 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 03:34:38,104 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 03:34:38,105 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 03:34:38,105 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 03:34:38,105 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 03:34:38,111 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 130 states, 129 states have (on average 1.8449612403100775) internal successors, (238), 129 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:34:38,141 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2024-11-28 03:34:38,144 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:34:38,144 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:34:38,153 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] [2024-11-28 03:34:38,153 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] [2024-11-28 03:34:38,153 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 03:34:38,154 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 130 states, 129 states have (on average 1.8449612403100775) internal successors, (238), 129 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:34:38,166 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2024-11-28 03:34:38,167 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:34:38,167 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:34:38,168 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] [2024-11-28 03:34:38,168 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] [2024-11-28 03:34:38,174 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0;" "assume !(1 == ~c_req_up~0);" "assume !(1 == ~wl_i~0);~wl_st~0 := 2;" "assume !(1 == ~c1_i~0);~c1_st~0 := 2;" "assume 1 == ~c2_i~0;~c2_st~0 := 0;" "assume !(1 == ~wb_i~0);~wb_st~0 := 2;" "assume !(1 == ~r_i~0);~r_st~0 := 2;" "assume !(0 == ~e_f~0);" "assume !(0 == ~e_g~0);" "assume !(0 == ~e_e~0);" "assume !(0 == ~e_c~0);" "assume !(0 == ~e_wl~0);" "assume !(1 == ~wl_pc~0);" "assume !(2 == ~wl_pc~0);" "assume !(1 == ~c1_pc~0);" "assume !(1 == ~c2_pc~0);" "assume !(1 == ~wb_pc~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_e~0);" "assume !(1 == ~e_f~0);" "assume !(1 == ~e_g~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_wl~0);" [2024-11-28 03:34:38,174 INFO L749 eck$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;~e_f~0 := 1;" "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;" [2024-11-28 03:34:38,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:38,179 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 1 times [2024-11-28 03:34:38,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:34:38,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359507933] [2024-11-28 03:34:38,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:38,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:38,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:34:38,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359507933] [2024-11-28 03:34:38,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359507933] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:34:38,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446097060] [2024-11-28 03:34:38,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:38,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:38,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:38,499 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:38,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:34:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:38,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:34:38,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:38,652 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:34:38,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446097060] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:34:38,679 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:34:38,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4 [2024-11-28 03:34:38,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495151284] [2024-11-28 03:34:38,685 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:34:38,689 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 03:34:38,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:38,690 INFO L85 PathProgramCache]: Analyzing trace with hash 310998117, now seen corresponding path program 1 times [2024-11-28 03:34:38,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:34:38,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403522061] [2024-11-28 03:34:38,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:38,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:38,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:34:38,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403522061] [2024-11-28 03:34:38,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403522061] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:34:38,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271532924] [2024-11-28 03:34:38,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:38,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:38,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:38,729 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:38,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:34:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:38,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:34:38,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:38,805 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:34:38,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271532924] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:34:38,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:34:38,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-11-28 03:34:38,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428179505] [2024-11-28 03:34:38,814 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:34:38,814 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-28 03:34:38,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:34:38,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:34:38,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:34:38,847 INFO L87 Difference]: Start difference. First operand has 130 states, 129 states have (on average 1.8449612403100775) internal successors, (238), 129 states have internal predecessors, (238), 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) [2024-11-28 03:34:38,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:38,873 INFO L93 Difference]: Finished difference Result 126 states and 220 transitions. [2024-11-28 03:34:38,874 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 126 states and 220 transitions. [2024-11-28 03:34:38,879 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2024-11-28 03:34:38,889 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 126 states to 120 states and 214 transitions. [2024-11-28 03:34:38,890 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 120 [2024-11-28 03:34:38,891 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 120 [2024-11-28 03:34:38,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 120 states and 214 transitions. [2024-11-28 03:34:38,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 03:34:38,894 INFO L218 hiAutomatonCegarLoop]: Abstraction has 120 states and 214 transitions. [2024-11-28 03:34:38,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states and 214 transitions. [2024-11-28 03:34:38,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-28 03:34:38,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 120 states have (on average 1.7833333333333334) internal successors, (214), 119 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:34:38,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 214 transitions. [2024-11-28 03:34:38,931 INFO L240 hiAutomatonCegarLoop]: Abstraction has 120 states and 214 transitions. [2024-11-28 03:34:38,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:34:38,935 INFO L425 stractBuchiCegarLoop]: Abstraction has 120 states and 214 transitions. [2024-11-28 03:34:38,936 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 03:34:38,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 120 states and 214 transitions. [2024-11-28 03:34:38,939 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2024-11-28 03:34:38,942 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:34:38,943 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:34:38,943 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] [2024-11-28 03:34:38,943 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] [2024-11-28 03:34:38,944 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0;" "assume !(1 == ~c_req_up~0);" "assume !(1 == ~wl_i~0);~wl_st~0 := 2;" "assume !(1 == ~c1_i~0);~c1_st~0 := 2;" "assume 1 == ~c2_i~0;~c2_st~0 := 0;" "assume !(1 == ~wb_i~0);~wb_st~0 := 2;" "assume !(1 == ~r_i~0);~r_st~0 := 2;" "assume !(0 == ~e_f~0);" "assume !(0 == ~e_g~0);" "assume !(0 == ~e_e~0);" "assume !(0 == ~e_c~0);" "assume !(0 == ~e_wl~0);" "assume !(1 == ~wl_pc~0);" "assume !(2 == ~wl_pc~0);" "assume !(1 == ~c1_pc~0);" "assume !(1 == ~c2_pc~0);" "assume !(1 == ~wb_pc~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_e~0);" "assume !(1 == ~e_f~0);" "assume !(1 == ~e_g~0);" "assume !(1 == ~e_c~0);" "assume !(1 == ~e_wl~0);" [2024-11-28 03:34:38,944 INFO L749 eck$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;~e_f~0 := 1;" "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;" [2024-11-28 03:34:38,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:38,944 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 2 times [2024-11-28 03:34:38,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:34:38,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178905917] [2024-11-28 03:34:38,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:38,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:39,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:34:39,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178905917] [2024-11-28 03:34:39,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178905917] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:34:39,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967668404] [2024-11-28 03:34:39,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:39,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:39,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:39,089 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:39,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:34:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:39,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:34:39,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:39,203 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:34:39,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1967668404] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:34:39,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:34:39,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4 [2024-11-28 03:34:39,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60840496] [2024-11-28 03:34:39,224 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:34:39,224 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 03:34:39,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:39,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1307509240, now seen corresponding path program 1 times [2024-11-28 03:34:39,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:34:39,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926509932] [2024-11-28 03:34:39,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:39,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:34:39,246 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:34:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:34:39,279 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:34:39,652 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:34:39,653 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:34:39,654 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:34:39,654 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:34:39,655 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 03:34:39,655 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:34:39,655 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:34:39,655 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:34:39,655 INFO L132 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration2_Loop [2024-11-28 03:34:39,656 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:34:39,656 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:34:39,674 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:39,687 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:39,691 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:39,694 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:39,701 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:39,705 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:39,708 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:39,715 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:39,719 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:39,722 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:39,730 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:39,734 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:39,737 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:39,740 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:39,747 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:39,750 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:39,762 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:39,769 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:39,773 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:39,777 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:39,780 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:39,784 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:39,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:39,791 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:39,795 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:40,103 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:34:40,104 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 03:34:40,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:34:40,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:40,109 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:34:40,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 03:34:40,113 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:34:40,113 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:34:40,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-28 03:34:40,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:34:40,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:40,144 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:34:40,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 03:34:40,148 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 03:34:40,148 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:34:40,166 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 03:34:40,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-28 03:34:40,177 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:34:40,177 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:34:40,177 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:34:40,177 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:34:40,177 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:34:40,177 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:34:40,177 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:34:40,177 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:34:40,177 INFO L132 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration2_Loop [2024-11-28 03:34:40,177 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:34:40,177 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:34:40,180 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:40,188 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:40,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:40,195 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:40,199 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:40,206 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:40,210 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:40,217 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:40,221 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:40,224 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:40,228 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:40,235 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:40,240 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:40,248 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:40,251 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:40,258 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:40,266 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:40,270 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:40,273 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:40,278 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:40,281 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:40,284 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:40,288 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:40,292 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:40,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:40,552 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:34:40,560 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:34:40,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:34:40,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:40,563 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:34:40,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 03:34:40,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:34:40,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:34:40,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:34:40,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:34:40,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:34:40,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:34:40,592 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:34:40,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:34:40,596 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 03:34:40,602 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 03:34:40,605 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 03:34:40,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:34:40,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:40,611 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:34:40,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-28 03:34:40,613 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 03:34:40,614 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 03:34:40,614 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 03:34:40,615 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_f~0) = -1*~e_f~0 + 1 Supporting invariants [] [2024-11-28 03:34:40,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-28 03:34:40,631 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 03:34:40,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:40,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:34:40,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:40,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-28 03:34:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:40,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:34:40,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:40,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:34:40,918 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 [2024-11-28 03:34:40,919 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 120 states and 214 transitions. cyclomatic complexity: 95 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) [2024-11-28 03:34:41,075 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 120 states and 214 transitions. cyclomatic complexity: 95. 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 383 states and 674 transitions. Complement of second has 5 states. [2024-11-28 03:34:41,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 03:34:41,077 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) [2024-11-28 03:34:41,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 364 transitions. [2024-11-28 03:34:41,086 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 364 transitions. Stem has 24 letters. Loop has 26 letters. [2024-11-28 03:34:41,087 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:34:41,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 364 transitions. Stem has 50 letters. Loop has 26 letters. [2024-11-28 03:34:41,088 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:34:41,088 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 364 transitions. Stem has 24 letters. Loop has 52 letters. [2024-11-28 03:34:41,091 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:34:41,092 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 383 states and 674 transitions. [2024-11-28 03:34:41,100 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 257 [2024-11-28 03:34:41,107 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 383 states to 378 states and 667 transitions. [2024-11-28 03:34:41,110 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 294 [2024-11-28 03:34:41,111 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 297 [2024-11-28 03:34:41,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 378 states and 667 transitions. [2024-11-28 03:34:41,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:34:41,112 INFO L218 hiAutomatonCegarLoop]: Abstraction has 378 states and 667 transitions. [2024-11-28 03:34:41,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states and 667 transitions. [2024-11-28 03:34:41,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 281. [2024-11-28 03:34:41,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 281 states have (on average 1.7793594306049823) internal successors, (500), 280 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:34:41,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 500 transitions. [2024-11-28 03:34:41,143 INFO L240 hiAutomatonCegarLoop]: Abstraction has 281 states and 500 transitions. [2024-11-28 03:34:41,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:34:41,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:34:41,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:34:41,144 INFO L87 Difference]: Start difference. First operand 281 states and 500 transitions. 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) [2024-11-28 03:34:41,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:41,177 INFO L93 Difference]: Finished difference Result 281 states and 498 transitions. [2024-11-28 03:34:41,177 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 281 states and 498 transitions. [2024-11-28 03:34:41,180 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 168 [2024-11-28 03:34:41,183 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 281 states to 281 states and 498 transitions. [2024-11-28 03:34:41,183 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 200 [2024-11-28 03:34:41,183 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 200 [2024-11-28 03:34:41,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 281 states and 498 transitions. [2024-11-28 03:34:41,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:34:41,184 INFO L218 hiAutomatonCegarLoop]: Abstraction has 281 states and 498 transitions. [2024-11-28 03:34:41,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states and 498 transitions. [2024-11-28 03:34:41,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2024-11-28 03:34:41,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 281 states have (on average 1.7722419928825623) internal successors, (498), 280 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:34:41,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 498 transitions. [2024-11-28 03:34:41,204 INFO L240 hiAutomatonCegarLoop]: Abstraction has 281 states and 498 transitions. [2024-11-28 03:34:41,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:34:41,207 INFO L425 stractBuchiCegarLoop]: Abstraction has 281 states and 498 transitions. [2024-11-28 03:34:41,207 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 03:34:41,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 281 states and 498 transitions. [2024-11-28 03:34:41,209 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 168 [2024-11-28 03:34:41,210 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:34:41,211 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:34:41,212 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] [2024-11-28 03:34:41,214 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] [2024-11-28 03:34:41,214 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(11, 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;~e_wl~0 := 2;" [2024-11-28 03:34:41,214 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;~e_f~0 := 1;" "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;" [2024-11-28 03:34:41,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:41,215 INFO L85 PathProgramCache]: Analyzing trace with hash -562043373, now seen corresponding path program 1 times [2024-11-28 03:34:41,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:34:41,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493194665] [2024-11-28 03:34:41,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:41,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:41,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:34:41,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493194665] [2024-11-28 03:34:41,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493194665] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:34:41,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173483391] [2024-11-28 03:34:41,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:41,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:41,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:41,306 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:41,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 03:34:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:41,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:34:41,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:41,435 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:34:41,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173483391] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:34:41,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:34:41,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 2, 2] total 4 [2024-11-28 03:34:41,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275292943] [2024-11-28 03:34:41,498 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:34:41,498 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 03:34:41,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:41,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1307509240, now seen corresponding path program 2 times [2024-11-28 03:34:41,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:34:41,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526549349] [2024-11-28 03:34:41,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:41,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:34:41,513 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:34:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:34:41,526 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:34:41,817 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:34:41,818 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:34:41,818 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:34:41,818 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:34:41,818 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 03:34:41,818 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:34:41,818 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:34:41,818 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:34:41,818 INFO L132 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration3_Loop [2024-11-28 03:34:41,819 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:34:41,819 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:34:41,820 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:41,825 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:41,830 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:41,833 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:41,840 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:41,843 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:41,850 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:41,859 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:41,861 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:41,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:41,870 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:41,873 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:41,878 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:41,880 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:41,887 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:41,895 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:41,902 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:41,906 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:41,909 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:41,912 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:41,915 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:41,922 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:41,926 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:41,928 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:41,936 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:42,189 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:34:42,189 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 03:34:42,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:34:42,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:42,192 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:34:42,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-28 03:34:42,199 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:34:42,199 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:34:42,225 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 03:34:42,225 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 03:34:42,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-28 03:34:42,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:34:42,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:42,233 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:34:42,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-28 03:34:42,236 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:34:42,236 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:34:42,257 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 03:34:42,257 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~wb_pc~0=4} Honda state: {~wb_pc~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 03:34:42,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-28 03:34:42,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:34:42,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:42,266 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:34:42,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-28 03:34:42,268 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:34:42,268 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:34:42,281 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 03:34:42,281 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: [] [2024-11-28 03:34:42,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-28 03:34:42,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:34:42,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:42,290 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:34:42,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-28 03:34:42,293 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:34:42,293 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:34:42,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-28 03:34:42,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:34:42,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:42,319 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:34:42,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-28 03:34:42,323 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 03:34:42,323 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:34:42,338 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 03:34:42,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-28 03:34:42,349 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:34:42,349 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:34:42,349 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:34:42,349 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:34:42,349 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:34:42,349 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:34:42,350 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:34:42,350 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:34:42,350 INFO L132 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration3_Loop [2024-11-28 03:34:42,350 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:34:42,350 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:34:42,352 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:42,361 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:42,365 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:42,372 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:42,382 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:42,386 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:42,389 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:42,395 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:42,401 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:42,408 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:42,410 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:42,416 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:42,422 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:42,425 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:42,427 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:42,430 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:42,433 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:42,440 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:42,443 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:42,446 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:42,448 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:42,452 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:42,459 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:42,463 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:42,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:34:42,719 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:34:42,719 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:34:42,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:34:42,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:42,725 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:34:42,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-28 03:34:42,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:34:42,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:34:42,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:34:42,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:34:42,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:34:42,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:34:42,745 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:34:42,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:34:42,747 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:34:42,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-28 03:34:42,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:34:42,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:42,760 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:34:42,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-28 03:34:42,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:34:42,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:34:42,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:34:42,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:34:42,781 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-28 03:34:42,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:34:42,782 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 03:34:42,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:34:42,785 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:34:42,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-28 03:34:42,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:34:42,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:42,798 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:34:42,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-28 03:34:42,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:34:42,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:34:42,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:34:42,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:34:42,819 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-28 03:34:42,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:34:42,820 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 03:34:42,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:34:42,824 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:34:42,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-28 03:34:42,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:34:42,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:42,837 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:34:42,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-28 03:34:42,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:34:42,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:34:42,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:34:42,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:34:42,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:34:42,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:34:42,860 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:34:42,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:34:42,864 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 03:34:42,867 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 03:34:42,867 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 03:34:42,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:34:42,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:42,872 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:34:42,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-28 03:34:42,874 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 03:34:42,874 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 03:34:42,874 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 03:34:42,874 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -1*~e_c~0 + 1 Supporting invariants [] [2024-11-28 03:34:42,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-28 03:34:42,886 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 03:34:42,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:42,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:34:42,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:43,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:34:43,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:43,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-28 03:34:43,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:34:43,102 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 [2024-11-28 03:34:43,102 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 281 states and 498 transitions. cyclomatic complexity: 220 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) [2024-11-28 03:34:43,168 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 281 states and 498 transitions. cyclomatic complexity: 220. 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 554 states and 976 transitions. Complement of second has 5 states. [2024-11-28 03:34:43,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 03:34:43,169 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) [2024-11-28 03:34:43,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 371 transitions. [2024-11-28 03:34:43,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 371 transitions. Stem has 24 letters. Loop has 26 letters. [2024-11-28 03:34:43,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:34:43,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 371 transitions. Stem has 50 letters. Loop has 26 letters. [2024-11-28 03:34:43,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:34:43,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 371 transitions. Stem has 24 letters. Loop has 52 letters. [2024-11-28 03:34:43,172 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:34:43,172 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 554 states and 976 transitions. [2024-11-28 03:34:43,177 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 346 [2024-11-28 03:34:43,181 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 554 states to 554 states and 976 transitions. [2024-11-28 03:34:43,181 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 379 [2024-11-28 03:34:43,182 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 382 [2024-11-28 03:34:43,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 554 states and 976 transitions. [2024-11-28 03:34:43,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:34:43,182 INFO L218 hiAutomatonCegarLoop]: Abstraction has 554 states and 976 transitions. [2024-11-28 03:34:43,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states and 976 transitions. [2024-11-28 03:34:43,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 462. [2024-11-28 03:34:43,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 462 states have (on average 1.7640692640692641) internal successors, (815), 461 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:34:43,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 815 transitions. [2024-11-28 03:34:43,197 INFO L240 hiAutomatonCegarLoop]: Abstraction has 462 states and 815 transitions. [2024-11-28 03:34:43,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:34:43,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:34:43,197 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:34:43,198 INFO L87 Difference]: Start difference. First operand 462 states and 815 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 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) [2024-11-28 03:34:43,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:43,254 INFO L93 Difference]: Finished difference Result 528 states and 919 transitions. [2024-11-28 03:34:43,255 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 528 states and 919 transitions. [2024-11-28 03:34:43,259 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 335 [2024-11-28 03:34:43,263 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 528 states to 528 states and 919 transitions. [2024-11-28 03:34:43,263 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 367 [2024-11-28 03:34:43,264 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 367 [2024-11-28 03:34:43,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 528 states and 919 transitions. [2024-11-28 03:34:43,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:34:43,264 INFO L218 hiAutomatonCegarLoop]: Abstraction has 528 states and 919 transitions. [2024-11-28 03:34:43,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states and 919 transitions. [2024-11-28 03:34:43,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 522. [2024-11-28 03:34:43,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 522 states have (on average 1.7471264367816093) internal successors, (912), 521 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:34:43,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 912 transitions. [2024-11-28 03:34:43,294 INFO L240 hiAutomatonCegarLoop]: Abstraction has 522 states and 912 transitions. [2024-11-28 03:34:43,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:34:43,295 INFO L425 stractBuchiCegarLoop]: Abstraction has 522 states and 912 transitions. [2024-11-28 03:34:43,295 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-28 03:34:43,295 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 522 states and 912 transitions. [2024-11-28 03:34:43,301 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 333 [2024-11-28 03:34:43,301 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:34:43,301 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:34:43,302 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] [2024-11-28 03:34:43,303 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-28 03:34:43,303 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(11, 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;" [2024-11-28 03:34:43,303 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);" [2024-11-28 03:34:43,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:43,304 INFO L85 PathProgramCache]: Analyzing trace with hash -666176964, now seen corresponding path program 1 times [2024-11-28 03:34:43,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:34:43,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915844858] [2024-11-28 03:34:43,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:43,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:34:43,319 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:34:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:34:43,342 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:34:43,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:43,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1964322599, now seen corresponding path program 1 times [2024-11-28 03:34:43,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:34:43,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967335188] [2024-11-28 03:34:43,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:43,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:43,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:34:43,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967335188] [2024-11-28 03:34:43,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967335188] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:34:43,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075480506] [2024-11-28 03:34:43,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:43,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:43,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:43,361 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:43,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-28 03:34:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:43,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:34:43,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:43,403 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:34:43,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1075480506] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:34:43,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:34:43,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-11-28 03:34:43,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378541542] [2024-11-28 03:34:43,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:34:43,406 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-28 03:34:43,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:34:43,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:34:43,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:34:43,407 INFO L87 Difference]: Start difference. First operand 522 states and 912 transitions. cyclomatic complexity: 393 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) [2024-11-28 03:34:43,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:43,450 INFO L93 Difference]: Finished difference Result 830 states and 1434 transitions. [2024-11-28 03:34:43,450 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 830 states and 1434 transitions. [2024-11-28 03:34:43,458 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 537 [2024-11-28 03:34:43,465 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 830 states to 830 states and 1434 transitions. [2024-11-28 03:34:43,467 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 569 [2024-11-28 03:34:43,468 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 569 [2024-11-28 03:34:43,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 830 states and 1434 transitions. [2024-11-28 03:34:43,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:34:43,468 INFO L218 hiAutomatonCegarLoop]: Abstraction has 830 states and 1434 transitions. [2024-11-28 03:34:43,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states and 1434 transitions. [2024-11-28 03:34:43,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 830. [2024-11-28 03:34:43,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 830 states, 830 states have (on average 1.727710843373494) internal successors, (1434), 829 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:34:43,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1434 transitions. [2024-11-28 03:34:43,509 INFO L240 hiAutomatonCegarLoop]: Abstraction has 830 states and 1434 transitions. [2024-11-28 03:34:43,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:34:43,511 INFO L425 stractBuchiCegarLoop]: Abstraction has 830 states and 1434 transitions. [2024-11-28 03:34:43,512 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-28 03:34:43,512 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 830 states and 1434 transitions. [2024-11-28 03:34:43,518 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 537 [2024-11-28 03:34:43,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:34:43,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:34:43,519 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] [2024-11-28 03:34:43,519 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:34:43,519 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(11, 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;" [2024-11-28 03:34:43,519 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);" [2024-11-28 03:34:43,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:43,520 INFO L85 PathProgramCache]: Analyzing trace with hash -666176964, now seen corresponding path program 2 times [2024-11-28 03:34:43,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:34:43,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355976618] [2024-11-28 03:34:43,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:43,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:34:43,533 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:34:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:34:43,548 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:34:43,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:43,549 INFO L85 PathProgramCache]: Analyzing trace with hash 754546264, now seen corresponding path program 1 times [2024-11-28 03:34:43,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:34:43,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473035289] [2024-11-28 03:34:43,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:43,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:34:43,553 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:34:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:34:43,558 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:34:43,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:43,562 INFO L85 PathProgramCache]: Analyzing trace with hash 448764861, now seen corresponding path program 1 times [2024-11-28 03:34:43,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:34:43,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564749600] [2024-11-28 03:34:43,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:43,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:43,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:34:43,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564749600] [2024-11-28 03:34:43,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564749600] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:34:43,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63962295] [2024-11-28 03:34:43,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:43,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:43,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:43,613 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:43,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-28 03:34:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:43,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:34:43,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:43,744 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:34:43,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63962295] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:34:43,787 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:34:43,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-28 03:34:43,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875256443] [2024-11-28 03:34:43,788 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:34:43,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:34:43,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:34:43,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:34:43,823 INFO L87 Difference]: Start difference. First operand 830 states and 1434 transitions. cyclomatic complexity: 607 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) [2024-11-28 03:34:43,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:43,870 INFO L93 Difference]: Finished difference Result 1374 states and 2345 transitions. [2024-11-28 03:34:43,870 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1374 states and 2345 transitions. [2024-11-28 03:34:43,882 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 906 [2024-11-28 03:34:43,893 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1374 states to 1374 states and 2345 transitions. [2024-11-28 03:34:43,893 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 938 [2024-11-28 03:34:43,896 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 938 [2024-11-28 03:34:43,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1374 states and 2345 transitions. [2024-11-28 03:34:43,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:34:43,896 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1374 states and 2345 transitions. [2024-11-28 03:34:43,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1374 states and 2345 transitions. [2024-11-28 03:34:43,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1374 to 1374. [2024-11-28 03:34:43,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1374 states, 1374 states have (on average 1.7066957787481805) internal successors, (2345), 1373 states have internal predecessors, (2345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:34:43,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1374 states and 2345 transitions. [2024-11-28 03:34:43,934 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1374 states and 2345 transitions. [2024-11-28 03:34:43,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:34:43,936 INFO L425 stractBuchiCegarLoop]: Abstraction has 1374 states and 2345 transitions. [2024-11-28 03:34:43,936 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-28 03:34:43,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1374 states and 2345 transitions. [2024-11-28 03:34:43,945 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 906 [2024-11-28 03:34:43,946 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:34:43,946 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:34:43,946 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] [2024-11-28 03:34:43,947 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:34:43,947 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(11, 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;" [2024-11-28 03:34:43,947 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);" [2024-11-28 03:34:43,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:43,948 INFO L85 PathProgramCache]: Analyzing trace with hash -666176964, now seen corresponding path program 3 times [2024-11-28 03:34:43,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:34:43,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92425255] [2024-11-28 03:34:43,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:43,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:34:43,958 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:34:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:34:43,978 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:34:43,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:43,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1866279716, now seen corresponding path program 1 times [2024-11-28 03:34:43,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:34:43,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376334841] [2024-11-28 03:34:43,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:43,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:34:43,982 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:34:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:34:43,986 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:34:43,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:43,986 INFO L85 PathProgramCache]: Analyzing trace with hash 976990815, now seen corresponding path program 1 times [2024-11-28 03:34:43,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:34:43,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856022997] [2024-11-28 03:34:43,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:43,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:44,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:34:44,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856022997] [2024-11-28 03:34:44,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856022997] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:34:44,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400673466] [2024-11-28 03:34:44,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:44,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:44,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:44,043 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:44,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-28 03:34:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:44,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:34:44,113 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:44,172 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:34:44,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400673466] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:34:44,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:34:44,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-28 03:34:44,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200816733] [2024-11-28 03:34:44,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:34:44,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:34:44,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:34:44,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:34:44,265 INFO L87 Difference]: Start difference. First operand 1374 states and 2345 transitions. cyclomatic complexity: 974 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) [2024-11-28 03:34:44,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:44,309 INFO L93 Difference]: Finished difference Result 2342 states and 3947 transitions. [2024-11-28 03:34:44,309 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2342 states and 3947 transitions. [2024-11-28 03:34:44,327 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1548 [2024-11-28 03:34:44,367 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2342 states to 2342 states and 3947 transitions. [2024-11-28 03:34:44,368 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1604 [2024-11-28 03:34:44,370 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1604 [2024-11-28 03:34:44,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2342 states and 3947 transitions. [2024-11-28 03:34:44,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:34:44,370 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2342 states and 3947 transitions. [2024-11-28 03:34:44,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2342 states and 3947 transitions. [2024-11-28 03:34:44,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2342 to 2342. [2024-11-28 03:34:44,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2342 states, 2342 states have (on average 1.6853116994022204) internal successors, (3947), 2341 states have internal predecessors, (3947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:34:44,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2342 states to 2342 states and 3947 transitions. [2024-11-28 03:34:44,422 INFO L240 hiAutomatonCegarLoop]: Abstraction has 2342 states and 3947 transitions. [2024-11-28 03:34:44,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:34:44,424 INFO L425 stractBuchiCegarLoop]: Abstraction has 2342 states and 3947 transitions. [2024-11-28 03:34:44,424 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-28 03:34:44,424 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2342 states and 3947 transitions. [2024-11-28 03:34:44,439 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1548 [2024-11-28 03:34:44,439 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:34:44,440 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:34:44,441 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] [2024-11-28 03:34:44,441 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:34:44,441 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(11, 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 := 2;" "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;" [2024-11-28 03:34:44,442 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);" [2024-11-28 03:34:44,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:44,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1483825414, now seen corresponding path program 1 times [2024-11-28 03:34:44,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:34:44,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581167631] [2024-11-28 03:34:44,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:44,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:44,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:34:44,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581167631] [2024-11-28 03:34:44,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581167631] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:34:44,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438363651] [2024-11-28 03:34:44,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:44,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:44,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:44,499 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:44,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-28 03:34:44,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:44,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:34:44,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:44,578 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:34:44,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438363651] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:34:44,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:34:44,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 5 [2024-11-28 03:34:44,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700799846] [2024-11-28 03:34:44,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:34:44,621 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 03:34:44,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:44,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1866279716, now seen corresponding path program 2 times [2024-11-28 03:34:44,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:34:44,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842592353] [2024-11-28 03:34:44,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:44,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:34:44,627 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:34:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:34:44,633 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:34:44,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:34:44,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:34:44,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:34:44,674 INFO L87 Difference]: Start difference. First operand 2342 states and 3947 transitions. cyclomatic complexity: 1608 Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 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) [2024-11-28 03:34:44,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:44,716 INFO L93 Difference]: Finished difference Result 2318 states and 3902 transitions. [2024-11-28 03:34:44,717 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2318 states and 3902 transitions. [2024-11-28 03:34:44,738 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1548 [2024-11-28 03:34:44,753 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2318 states to 2318 states and 3902 transitions. [2024-11-28 03:34:44,753 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1580 [2024-11-28 03:34:44,756 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1580 [2024-11-28 03:34:44,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2318 states and 3902 transitions. [2024-11-28 03:34:44,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:34:44,759 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2318 states and 3902 transitions. [2024-11-28 03:34:44,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states and 3902 transitions. [2024-11-28 03:34:44,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2318. [2024-11-28 03:34:44,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2318 states, 2318 states have (on average 1.6833477135461605) internal successors, (3902), 2317 states have internal predecessors, (3902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:34:44,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 3902 transitions. [2024-11-28 03:34:44,810 INFO L240 hiAutomatonCegarLoop]: Abstraction has 2318 states and 3902 transitions. [2024-11-28 03:34:44,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:34:44,811 INFO L425 stractBuchiCegarLoop]: Abstraction has 2318 states and 3902 transitions. [2024-11-28 03:34:44,811 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-28 03:34:44,811 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2318 states and 3902 transitions. [2024-11-28 03:34:44,824 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1548 [2024-11-28 03:34:44,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:34:44,825 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:34:44,825 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] [2024-11-28 03:34:44,825 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:34:44,825 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(11, 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;" [2024-11-28 03:34:44,826 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);" [2024-11-28 03:34:44,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:44,826 INFO L85 PathProgramCache]: Analyzing trace with hash -666176964, now seen corresponding path program 4 times [2024-11-28 03:34:44,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:34:44,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586303869] [2024-11-28 03:34:44,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:44,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:34:44,838 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:34:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:34:44,847 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:34:44,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:44,848 INFO L85 PathProgramCache]: Analyzing trace with hash 2018507106, now seen corresponding path program 1 times [2024-11-28 03:34:44,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:34:44,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255338840] [2024-11-28 03:34:44,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:44,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:34:44,851 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:34:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:34:44,854 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:34:44,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:44,855 INFO L85 PathProgramCache]: Analyzing trace with hash 220354951, now seen corresponding path program 1 times [2024-11-28 03:34:44,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:34:44,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964211805] [2024-11-28 03:34:44,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:44,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:44,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:34:44,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964211805] [2024-11-28 03:34:44,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964211805] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:34:44,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374873271] [2024-11-28 03:34:44,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:44,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:44,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:44,892 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:44,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-28 03:34:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:44,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:34:44,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:45,045 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:34:45,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374873271] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:34:45,085 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:34:45,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-28 03:34:45,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377472086] [2024-11-28 03:34:45,085 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:34:45,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:34:45,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:34:45,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:34:45,124 INFO L87 Difference]: Start difference. First operand 2318 states and 3902 transitions. cyclomatic complexity: 1587 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) [2024-11-28 03:34:45,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:45,184 INFO L93 Difference]: Finished difference Result 4050 states and 6754 transitions. [2024-11-28 03:34:45,184 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4050 states and 6754 transitions. [2024-11-28 03:34:45,208 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2728 [2024-11-28 03:34:45,231 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4050 states to 4050 states and 6754 transitions. [2024-11-28 03:34:45,231 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2760 [2024-11-28 03:34:45,235 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2760 [2024-11-28 03:34:45,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4050 states and 6754 transitions. [2024-11-28 03:34:45,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:34:45,236 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4050 states and 6754 transitions. [2024-11-28 03:34:45,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4050 states and 6754 transitions. [2024-11-28 03:34:45,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4050 to 4050. [2024-11-28 03:34:45,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4050 states, 4050 states have (on average 1.6676543209876544) internal successors, (6754), 4049 states have internal predecessors, (6754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:34:45,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4050 states to 4050 states and 6754 transitions. [2024-11-28 03:34:45,319 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4050 states and 6754 transitions. [2024-11-28 03:34:45,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:34:45,320 INFO L425 stractBuchiCegarLoop]: Abstraction has 4050 states and 6754 transitions. [2024-11-28 03:34:45,320 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-28 03:34:45,320 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4050 states and 6754 transitions. [2024-11-28 03:34:45,338 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2728 [2024-11-28 03:34:45,339 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:34:45,339 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:34:45,339 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] [2024-11-28 03:34:45,340 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:34:45,340 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(11, 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;" [2024-11-28 03:34:45,340 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);" [2024-11-28 03:34:45,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:45,341 INFO L85 PathProgramCache]: Analyzing trace with hash -666176964, now seen corresponding path program 5 times [2024-11-28 03:34:45,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:34:45,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82943238] [2024-11-28 03:34:45,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:45,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:34:45,349 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:34:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:34:45,359 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:34:45,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:45,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1850822630, now seen corresponding path program 1 times [2024-11-28 03:34:45,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:34:45,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678176165] [2024-11-28 03:34:45,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:45,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:34:45,363 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:34:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:34:45,366 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:34:45,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:45,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1758964587, now seen corresponding path program 1 times [2024-11-28 03:34:45,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:34:45,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638834619] [2024-11-28 03:34:45,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:45,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:34:45,376 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:34:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:34:45,412 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:34:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:34:46,515 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:34:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:34:46,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:34:46 BoogieIcfgContainer [2024-11-28 03:34:46,705 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 03:34:46,707 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:34:46,707 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:34:46,707 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:34:46,708 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:34:38" (3/4) ... [2024-11-28 03:34:46,711 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-28 03:34:46,801 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:34:46,801 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:34:46,806 INFO L158 Benchmark]: Toolchain (without parser) took 9971.20ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 92.3MB in the beginning and 120.8MB in the end (delta: -28.5MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2024-11-28 03:34:46,806 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:34:46,807 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.61ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 77.4MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:34:46,807 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.02ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 75.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:34:46,807 INFO L158 Benchmark]: Boogie Preprocessor took 49.92ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 73.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:34:46,808 INFO L158 Benchmark]: RCFGBuilder took 685.63ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 47.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:34:46,809 INFO L158 Benchmark]: BuchiAutomizer took 8665.66ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 47.8MB in the beginning and 127.9MB in the end (delta: -80.1MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2024-11-28 03:34:46,810 INFO L158 Benchmark]: Witness Printer took 94.22ms. Allocated memory is still 201.3MB. Free memory was 127.9MB in the beginning and 120.8MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:34:46,812 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.61ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 77.4MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.02ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 75.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.92ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 73.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 685.63ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 47.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 8665.66ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 47.8MB in the beginning and 127.9MB in the end (delta: -80.1MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * Witness Printer took 94.22ms. Allocated memory is still 201.3MB. Free memory was 127.9MB in the beginning and 120.8MB in the end (delta: 7.1MB). 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 10 terminating modules (8 trivial, 2 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function (((long long) -1 * e_f) + 1) and consists of 3 locations. One deterministic module has affine ranking function (((long long) -1 * e_c) + 1) and consists of 3 locations. 8 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 4050 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.4s and 9 iterations. TraceHistogramMax:1. Analysis of lassos took 6.4s. Construction of modules took 0.1s. Büchi inclusion checks took 1.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 9. Automata minimization 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 195 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.2s 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, 2781 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2779 mSDsluCounter, 3906 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1331 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 97 IncrementalHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 2575 mSDtfsCounter, 97 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc3 concLT0 SILN1 SILU0 SILI1 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital77 mio100 ax100 hnf100 lsp11 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq188 hnf94 smp100 dnf137 smp100 tf109 neg100 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 308]: 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] [L701] int __retres1 ; [L705] e_wl = 2 [L706] e_c = e_wl [L707] e_g = e_c [L708] e_f = e_g [L709] e_e = e_f [L710] wl_pc = 0 [L711] c1_pc = 0 [L712] c2_pc = 0 [L713] wb_pc = 0 [L714] wb_i = 1 [L715] c2_i = wb_i [L716] c1_i = c2_i [L717] wl_i = c1_i [L718] r_i = 0 [L719] c_req_up = 0 [L720] d = 0 [L721] c = 0 [L722] CALL start_simulation() [L412] int kernel_st ; [L415] 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] [L416] 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] [L427] COND TRUE (int )wl_i == 1 [L428] 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] [L432] COND TRUE (int )c1_i == 1 [L433] 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] [L437] COND TRUE (int )c2_i == 1 [L438] 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] [L442] COND TRUE (int )wb_i == 1 [L443] 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] [L447] COND FALSE !((int )r_i == 1) [L450] 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] [L452] 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] [L457] 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] [L462] 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] [L467] 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] [L472] 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] [L477] 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] [L485] 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] [L495] 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] [L504] 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] [L513] 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] [L522] 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] [L527] 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] [L532] 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] [L537] 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] [L542] 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] [L547] 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] [L556] kernel_st = 1 [L557] CALL eval() [L298] int tmp ; [L299] int tmp___0 ; [L300] int tmp___1 ; [L301] int tmp___2 ; [L302] 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: [L308] COND TRUE (int )wl_st == 0 [L329] COND TRUE (int )wl_st == 0 [L331] tmp = __VERIFIER_nondet_int() [L333] COND FALSE !(\read(tmp)) [L344] COND TRUE (int )c1_st == 0 [L346] tmp___0 = __VERIFIER_nondet_int() [L348] COND FALSE !(\read(tmp___0)) [L359] COND TRUE (int )c2_st == 0 [L361] tmp___1 = __VERIFIER_nondet_int() [L363] COND FALSE !(\read(tmp___1)) [L374] COND TRUE (int )wb_st == 0 [L376] tmp___2 = __VERIFIER_nondet_int() [L378] COND FALSE !(\read(tmp___2)) [L389] COND FALSE !((int )r_st == 0) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 308]: 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] [L701] int __retres1 ; [L705] e_wl = 2 [L706] e_c = e_wl [L707] e_g = e_c [L708] e_f = e_g [L709] e_e = e_f [L710] wl_pc = 0 [L711] c1_pc = 0 [L712] c2_pc = 0 [L713] wb_pc = 0 [L714] wb_i = 1 [L715] c2_i = wb_i [L716] c1_i = c2_i [L717] wl_i = c1_i [L718] r_i = 0 [L719] c_req_up = 0 [L720] d = 0 [L721] c = 0 [L722] CALL start_simulation() [L412] int kernel_st ; [L415] 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] [L416] 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] [L427] COND TRUE (int )wl_i == 1 [L428] 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] [L432] COND TRUE (int )c1_i == 1 [L433] 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] [L437] COND TRUE (int )c2_i == 1 [L438] 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] [L442] COND TRUE (int )wb_i == 1 [L443] 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] [L447] COND FALSE !((int )r_i == 1) [L450] 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] [L452] 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] [L457] 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] [L462] 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] [L467] 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] [L472] 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] [L477] 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] [L485] 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] [L495] 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] [L504] 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] [L513] 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] [L522] 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] [L527] 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] [L532] 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] [L537] 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] [L542] 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] [L547] 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] [L556] kernel_st = 1 [L557] CALL eval() [L298] int tmp ; [L299] int tmp___0 ; [L300] int tmp___1 ; [L301] int tmp___2 ; [L302] 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: [L308] COND TRUE (int )wl_st == 0 [L329] COND TRUE (int )wl_st == 0 [L331] tmp = __VERIFIER_nondet_int() [L333] COND FALSE !(\read(tmp)) [L344] COND TRUE (int )c1_st == 0 [L346] tmp___0 = __VERIFIER_nondet_int() [L348] COND FALSE !(\read(tmp___0)) [L359] COND TRUE (int )c2_st == 0 [L361] tmp___1 = __VERIFIER_nondet_int() [L363] COND FALSE !(\read(tmp___1)) [L374] COND TRUE (int )wb_st == 0 [L376] tmp___2 = __VERIFIER_nondet_int() [L378] COND FALSE !(\read(tmp___2)) [L389] COND FALSE !((int )r_st == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-28 03:34:46,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-28 03:34:47,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-28 03:34:47,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-28 03:34:47,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-28 03:34:47,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-28 03:34:47,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-28 03:34:48,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 03:34:48,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:34:48,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 03:34:48,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ad01b0-e762-49df-816d-32f098bce64f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)