./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/systemc/toy.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/systemc/toy.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a8eabec1830ab654b41f6937ec2f9359cd3dd371ede66eafc352bac48edda3b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:14:34,696 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:14:34,805 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-31 22:14:34,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:14:34,815 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:14:34,855 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:14:34,856 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:14:34,857 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:14:34,858 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:14:34,859 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:14:34,860 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:14:34,861 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:14:34,862 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:14:34,863 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:14:34,865 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:14:34,866 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:14:34,866 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:14:34,866 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:14:34,867 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:14:34,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:14:34,871 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:14:34,873 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:14:34,873 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:14:34,874 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:14:34,874 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:14:34,875 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:14:34,875 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:14:34,876 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:14:34,876 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:14:34,877 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:14:34,877 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:14:34,877 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:14:34,878 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:14:34,879 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:14:34,880 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:14:34,880 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:14:34,881 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:14:34,881 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:14:34,882 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:14:34,882 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a8eabec1830ab654b41f6937ec2f9359cd3dd371ede66eafc352bac48edda3b [2024-10-31 22:14:35,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:14:35,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:14:35,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:14:35,324 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:14:35,325 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:14:35,326 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/systemc/toy.cil.c Unable to find full path for "g++" [2024-10-31 22:14:37,430 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:14:37,772 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:14:37,776 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/sv-benchmarks/c/systemc/toy.cil.c [2024-10-31 22:14:37,796 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/data/d1b1d7bb0/76551318dced4088823f8d7248e0f00f/FLAG2347fe4ff [2024-10-31 22:14:38,026 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/data/d1b1d7bb0/76551318dced4088823f8d7248e0f00f [2024-10-31 22:14:38,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:14:38,030 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:14:38,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:14:38,032 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:14:38,038 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:14:38,039 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:14:38" (1/1) ... [2024-10-31 22:14:38,040 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13b98a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:38, skipping insertion in model container [2024-10-31 22:14:38,040 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:14:38" (1/1) ... [2024-10-31 22:14:38,093 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:14:38,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:14:38,369 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:14:38,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:14:38,437 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:14:38,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:38 WrapperNode [2024-10-31 22:14:38,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:14:38,439 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:14:38,439 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:14:38,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:14:38,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:38" (1/1) ... [2024-10-31 22:14:38,457 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:38" (1/1) ... [2024-10-31 22:14:38,499 INFO L138 Inliner]: procedures = 20, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 362 [2024-10-31 22:14:38,500 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:14:38,501 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:14:38,501 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:14:38,501 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:14:38,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:38" (1/1) ... [2024-10-31 22:14:38,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:38" (1/1) ... [2024-10-31 22:14:38,517 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:38" (1/1) ... [2024-10-31 22:14:38,541 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]. [2024-10-31 22:14:38,542 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:38" (1/1) ... [2024-10-31 22:14:38,542 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:38" (1/1) ... [2024-10-31 22:14:38,548 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:38" (1/1) ... [2024-10-31 22:14:38,555 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:38" (1/1) ... [2024-10-31 22:14:38,561 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:38" (1/1) ... [2024-10-31 22:14:38,562 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:38" (1/1) ... [2024-10-31 22:14:38,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:14:38,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:14:38,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:14:38,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:14:38,571 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:38" (1/1) ... [2024-10-31 22:14:38,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:38,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:38,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:38,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:14:38,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:14:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:14:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:14:38,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:14:38,800 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:14:38,802 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:14:39,477 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-10-31 22:14:39,477 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:14:39,494 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:14:39,496 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-31 22:14:39,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:14:39 BoogieIcfgContainer [2024-10-31 22:14:39,497 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:14:39,498 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:14:39,498 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:14:39,503 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:14:39,504 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:14:39,505 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:14:38" (1/3) ... [2024-10-31 22:14:39,507 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13af8a06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:14:39, skipping insertion in model container [2024-10-31 22:14:39,507 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:14:39,507 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:38" (2/3) ... [2024-10-31 22:14:39,507 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13af8a06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:14:39, skipping insertion in model container [2024-10-31 22:14:39,507 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:14:39,508 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:14:39" (3/3) ... [2024-10-31 22:14:39,509 INFO L332 chiAutomizerObserver]: Analyzing ICFG toy.cil.c [2024-10-31 22:14:39,601 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:14:39,601 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:14:39,601 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:14:39,601 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:14:39,601 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:14:39,601 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:14:39,602 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:14:39,602 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:14:39,606 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 132 states, 131 states have (on average 1.8244274809160306) internal successors, (239), 131 states have internal predecessors, (239), 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) [2024-10-31 22:14:39,629 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 97 [2024-10-31 22:14:39,629 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:14:39,629 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:14:39,639 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] [2024-10-31 22:14:39,639 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] [2024-10-31 22:14:39,640 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:14:39,641 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 132 states, 131 states have (on average 1.8244274809160306) internal successors, (239), 131 states have internal predecessors, (239), 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) [2024-10-31 22:14:39,652 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 97 [2024-10-31 22:14:39,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:14:39,653 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:14:39,654 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] [2024-10-31 22:14:39,655 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] [2024-10-31 22:14:39,663 INFO L745 eck$LassoCheckResult]: Stem: 24#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 39#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 106#L408true assume !(1 == ~c_req_up~0); 85#L408-2true assume !(1 == ~wl_i~0);~wl_st~0 := 2; 127#L419-1true assume !(1 == ~c1_i~0);~c1_st~0 := 2; 126#L424-1true assume 1 == ~c2_i~0;~c2_st~0 := 0; 60#L429-1true assume !(1 == ~wb_i~0);~wb_st~0 := 2; 121#L434-1true assume !(1 == ~r_i~0);~r_st~0 := 2; 43#L439-1true assume !(0 == ~e_f~0); 5#L444-1true assume !(0 == ~e_g~0); 98#L449-1true assume !(0 == ~e_e~0); 53#L454-1true assume !(0 == ~e_c~0); 111#L459-1true assume !(0 == ~e_wl~0); 25#L464-1true assume !(1 == ~wl_pc~0); 100#$Ultimate##44true assume !(2 == ~wl_pc~0); 23#L477true assume !(1 == ~c1_pc~0); 18#L487true assume !(1 == ~c2_pc~0); 87#L496true assume !(1 == ~wb_pc~0); 29#L505true assume !(1 == ~e_c~0); 36#L514-1true assume !(1 == ~e_e~0); 133#L519-1true assume !(1 == ~e_f~0); 40#L524-1true assume !(1 == ~e_g~0); 131#L529-1true assume !(1 == ~e_c~0); 2#L534-1true assume !(1 == ~e_wl~0); 4#L676-1true [2024-10-31 22:14:39,664 INFO L747 eck$LassoCheckResult]: Loop: 4#L676-1true assume !false; 35#L546true 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; 70#L381true assume !true; 90#eval_returnLabel#1true 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; 42#L552true assume !(1 == ~c_req_up~0); 59#L552-2true start_simulation_~kernel_st~0#1 := 3; 14#L564true assume 0 == ~e_f~0;~e_f~0 := 1; 17#L564-2true assume 0 == ~e_g~0;~e_g~0 := 1; 6#L569-1true assume 0 == ~e_e~0;~e_e~0 := 1; 130#L574-1true assume 0 == ~e_c~0;~e_c~0 := 1; 10#L579-1true assume 0 == ~e_wl~0;~e_wl~0 := 1; 94#L584-1true assume 1 == ~wl_pc~0; 46#L590true assume 1 == ~e_wl~0;~wl_st~0 := 0; 113#L597true assume !(1 == ~c1_pc~0); 27#L607true assume !(1 == ~c2_pc~0); 103#L616true assume !(1 == ~wb_pc~0); 123#L625true assume 1 == ~e_c~0;~r_st~0 := 0; 58#L634-1true assume 1 == ~e_e~0;~e_e~0 := 2; 52#L639-1true assume 1 == ~e_f~0;~e_f~0 := 2; 117#L644-1true assume 1 == ~e_g~0;~e_g~0 := 2; 77#L649-1true assume 1 == ~e_c~0;~e_c~0 := 2; 41#L654-1true assume 1 == ~e_wl~0;~e_wl~0 := 2; 21#L659-1true assume 0 == ~wl_st~0; 4#L676-1true [2024-10-31 22:14:39,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:39,671 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 1 times [2024-10-31 22:14:39,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:39,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11107957] [2024-10-31 22:14:39,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:39,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:40,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:14:40,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:40,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11107957] [2024-10-31 22:14:40,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11107957] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:40,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:40,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:14:40,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067167535] [2024-10-31 22:14:40,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:40,089 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:14:40,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:40,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1307375692, now seen corresponding path program 1 times [2024-10-31 22:14:40,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:40,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940674915] [2024-10-31 22:14:40,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:40,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:40,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:14:40,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:40,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940674915] [2024-10-31 22:14:40,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940674915] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:40,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:40,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:14:40,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173046100] [2024-10-31 22:14:40,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:40,132 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-31 22:14:40,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:40,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:14:40,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:14:40,183 INFO L87 Difference]: Start difference. First operand has 132 states, 131 states have (on average 1.8244274809160306) internal successors, (239), 131 states have internal predecessors, (239), 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 11.5) internal successors, (23), 2 states have internal predecessors, (23), 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) [2024-10-31 22:14:40,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:14:40,209 INFO L93 Difference]: Finished difference Result 130 states and 224 transitions. [2024-10-31 22:14:40,211 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 130 states and 224 transitions. [2024-10-31 22:14:40,215 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 94 [2024-10-31 22:14:40,226 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 130 states to 125 states and 219 transitions. [2024-10-31 22:14:40,228 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2024-10-31 22:14:40,228 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125 [2024-10-31 22:14:40,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 219 transitions. [2024-10-31 22:14:40,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:14:40,233 INFO L218 hiAutomatonCegarLoop]: Abstraction has 125 states and 219 transitions. [2024-10-31 22:14:40,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 219 transitions. [2024-10-31 22:14:40,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-10-31 22:14:40,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 125 states have (on average 1.752) internal successors, (219), 124 states have internal predecessors, (219), 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) [2024-10-31 22:14:40,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 219 transitions. [2024-10-31 22:14:40,274 INFO L240 hiAutomatonCegarLoop]: Abstraction has 125 states and 219 transitions. [2024-10-31 22:14:40,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:14:40,281 INFO L425 stractBuchiCegarLoop]: Abstraction has 125 states and 219 transitions. [2024-10-31 22:14:40,282 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 22:14:40,282 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 219 transitions. [2024-10-31 22:14:40,283 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 94 [2024-10-31 22:14:40,288 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:14:40,288 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:14:40,289 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] [2024-10-31 22:14:40,289 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:40,289 INFO L745 eck$LassoCheckResult]: Stem: 314#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 315#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 344#L408 assume !(1 == ~c_req_up~0); 307#L408-2 assume !(1 == ~wl_i~0);~wl_st~0 := 2; 384#L419-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 395#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 369#L429-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 370#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 351#L439-1 assume !(0 == ~e_f~0); 274#L444-1 assume !(0 == ~e_g~0); 275#L449-1 assume !(0 == ~e_e~0); 364#L454-1 assume !(0 == ~e_c~0); 365#L459-1 assume !(0 == ~e_wl~0); 316#L464-1 assume !(1 == ~wl_pc~0); 317#$Ultimate##44 assume !(2 == ~wl_pc~0); 312#L477 assume !(1 == ~c1_pc~0); 300#L487 assume !(1 == ~c2_pc~0); 302#L496 assume !(1 == ~wb_pc~0); 328#L505 assume !(1 == ~e_c~0); 329#L514-1 assume !(1 == ~e_e~0); 340#L519-1 assume !(1 == ~e_f~0); 346#L524-1 assume !(1 == ~e_g~0); 347#L529-1 assume !(1 == ~e_c~0); 271#L534-1 assume !(1 == ~e_wl~0); 272#L676-1 [2024-10-31 22:14:40,289 INFO L747 eck$LassoCheckResult]: Loop: 272#L676-1 assume !false; 273#L546 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; 298#L381 assume !false; 341#L299 assume !(0 == ~wl_st~0); 342#L303 assume !(0 == ~c1_st~0); 394#L306 assume !(0 == ~c2_st~0); 387#L309 assume !(0 == ~wb_st~0); 388#L312 assume !(0 == ~r_st~0); 389#eval_returnLabel#1 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; 348#L552 assume !(1 == ~c_req_up~0); 349#L552-2 start_simulation_~kernel_st~0#1 := 3; 295#L564 assume 0 == ~e_f~0;~e_f~0 := 1; 296#L564-2 assume 0 == ~e_g~0;~e_g~0 := 1; 276#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 277#L574-1 assume 0 == ~e_c~0;~e_c~0 := 1; 286#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 287#L584-1 assume 1 == ~wl_pc~0; 355#L590 assume 1 == ~e_wl~0;~wl_st~0 := 0; 356#L597 assume !(1 == ~c1_pc~0); 322#L607 assume !(1 == ~c2_pc~0); 323#L616 assume !(1 == ~wb_pc~0); 376#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 368#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 362#L639-1 assume 1 == ~e_f~0;~e_f~0 := 2; 363#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 377#L649-1 assume 1 == ~e_c~0;~e_c~0 := 2; 345#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 308#L659-1 assume 0 == ~wl_st~0; 272#L676-1 [2024-10-31 22:14:40,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:40,290 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 2 times [2024-10-31 22:14:40,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:40,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122276544] [2024-10-31 22:14:40,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:40,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:40,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:14:40,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:40,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122276544] [2024-10-31 22:14:40,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122276544] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:40,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:40,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:14:40,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824256018] [2024-10-31 22:14:40,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:40,386 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:14:40,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:40,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1329201933, now seen corresponding path program 1 times [2024-10-31 22:14:40,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:40,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565604489] [2024-10-31 22:14:40,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:40,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:40,399 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:14:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:40,437 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:14:40,825 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:14:40,826 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:14:40,826 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:14:40,826 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:14:40,826 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:14:40,826 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:40,827 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:14:40,827 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:14:40,827 INFO L132 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration2_Loop [2024-10-31 22:14:40,828 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:14:40,829 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:14:40,854 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:40,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:40,875 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:40,901 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:40,905 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:40,913 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:40,916 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:40,921 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:40,924 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:40,927 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:40,931 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:40,934 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:40,938 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:40,944 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:40,949 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:40,952 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:40,961 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:40,966 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:40,972 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:40,978 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:40,981 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:40,988 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:40,991 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:40,994 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:41,000 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:41,328 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:14:41,329 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:14:41,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:41,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:41,334 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:41,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 22:14:41,339 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:14:41,339 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:14:41,370 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:14:41,370 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:14:41,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-10-31 22:14:41,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:41,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:41,394 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:41,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 22:14:41,397 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:14:41,397 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:14:41,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-31 22:14:41,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:41,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:41,437 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:41,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 22:14:41,440 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:14:41,440 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:14:41,462 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:14:41,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-31 22:14:41,482 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:14:41,483 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:14:41,483 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:14:41,483 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:14:41,483 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:14:41,483 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:41,483 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:14:41,484 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:14:41,484 INFO L132 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration2_Loop [2024-10-31 22:14:41,484 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:14:41,484 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:14:41,486 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:41,492 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:41,500 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:41,503 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:41,508 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:41,511 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:41,516 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:41,524 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:41,529 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:41,532 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:41,536 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:41,538 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:41,541 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:41,544 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:41,551 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:41,555 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:41,562 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:41,566 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:41,575 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:41,580 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:41,583 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:41,586 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:41,594 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:41,600 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:41,605 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:41,886 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:14:41,892 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:14:41,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:41,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:41,896 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:41,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 22:14:41,898 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 [2024-10-31 22:14:41,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:14:41,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:14:41,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:14:41,914 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-31 22:14:41,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:14:41,916 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-31 22:14:41,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:14:41,922 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:14:41,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-31 22:14:41,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:41,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:41,944 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:41,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 22:14:41,947 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 [2024-10-31 22:14:41,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:14:41,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:14:41,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:14:41,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:14:41,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:14:41,964 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:14:41,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:14:41,969 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:14:41,972 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-31 22:14:41,973 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-31 22:14:41,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:41,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:41,985 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:41,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 22:14:41,989 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:14:41,989 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:14:41,989 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:14:41,989 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -1*~e_c~0 + 1 Supporting invariants [] [2024-10-31 22:14:42,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-31 22:14:42,012 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:14:42,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:42,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:14:42,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:14:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:42,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:14:42,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:14:42,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:14:42,367 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 [2024-10-31 22:14:42,368 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 125 states and 219 transitions. cyclomatic complexity: 95 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2024-10-31 22:14:42,514 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 125 states and 219 transitions. cyclomatic complexity: 95. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 413 states and 711 transitions. Complement of second has 5 states. [2024-10-31 22:14:42,519 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 [2024-10-31 22:14:42,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2024-10-31 22:14:42,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 383 transitions. [2024-10-31 22:14:42,522 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 383 transitions. Stem has 24 letters. Loop has 28 letters. [2024-10-31 22:14:42,526 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:14:42,526 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 383 transitions. Stem has 52 letters. Loop has 28 letters. [2024-10-31 22:14:42,527 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:14:42,527 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 383 transitions. Stem has 24 letters. Loop has 56 letters. [2024-10-31 22:14:42,529 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:14:42,529 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 413 states and 711 transitions. [2024-10-31 22:14:42,535 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 282 [2024-10-31 22:14:42,539 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 413 states to 413 states and 711 transitions. [2024-10-31 22:14:42,539 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 314 [2024-10-31 22:14:42,540 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 317 [2024-10-31 22:14:42,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 413 states and 711 transitions. [2024-10-31 22:14:42,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:14:42,541 INFO L218 hiAutomatonCegarLoop]: Abstraction has 413 states and 711 transitions. [2024-10-31 22:14:42,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states and 711 transitions. [2024-10-31 22:14:42,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 316. [2024-10-31 22:14:42,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 316 states have (on average 1.7278481012658229) internal successors, (546), 315 states have internal predecessors, (546), 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) [2024-10-31 22:14:42,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 546 transitions. [2024-10-31 22:14:42,566 INFO L240 hiAutomatonCegarLoop]: Abstraction has 316 states and 546 transitions. [2024-10-31 22:14:42,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:42,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:14:42,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:14:42,568 INFO L87 Difference]: Start difference. First operand 316 states and 546 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2024-10-31 22:14:42,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:14:42,582 INFO L93 Difference]: Finished difference Result 316 states and 545 transitions. [2024-10-31 22:14:42,582 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 316 states and 545 transitions. [2024-10-31 22:14:42,585 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 188 [2024-10-31 22:14:42,588 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 316 states to 316 states and 545 transitions. [2024-10-31 22:14:42,588 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 220 [2024-10-31 22:14:42,589 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 220 [2024-10-31 22:14:42,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 316 states and 545 transitions. [2024-10-31 22:14:42,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:14:42,590 INFO L218 hiAutomatonCegarLoop]: Abstraction has 316 states and 545 transitions. [2024-10-31 22:14:42,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states and 545 transitions. [2024-10-31 22:14:42,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2024-10-31 22:14:42,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 316 states have (on average 1.7246835443037976) internal successors, (545), 315 states have internal predecessors, (545), 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) [2024-10-31 22:14:42,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 545 transitions. [2024-10-31 22:14:42,602 INFO L240 hiAutomatonCegarLoop]: Abstraction has 316 states and 545 transitions. [2024-10-31 22:14:42,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:14:42,603 INFO L425 stractBuchiCegarLoop]: Abstraction has 316 states and 545 transitions. [2024-10-31 22:14:42,603 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 22:14:42,603 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 316 states and 545 transitions. [2024-10-31 22:14:42,605 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 188 [2024-10-31 22:14:42,606 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:14:42,606 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:14:42,607 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] [2024-10-31 22:14:42,607 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:42,607 INFO L745 eck$LassoCheckResult]: Stem: 1696#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1697#L-1 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; 1748#L408 assume !(1 == ~c_req_up~0); 1685#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1830#L419-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 1851#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1795#L429-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 1796#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1760#L439-1 assume !(0 == ~e_f~0); 1624#L444-1 assume !(0 == ~e_g~0); 1625#L449-1 assume !(0 == ~e_e~0); 1785#L454-1 assume !(0 == ~e_c~0); 1786#L459-1 assume !(0 == ~e_wl~0); 1698#L464-1 assume !(1 == ~wl_pc~0); 1699#$Ultimate##44 assume !(2 == ~wl_pc~0); 1694#L477 assume !(1 == ~c1_pc~0); 1675#L487 assume !(1 == ~c2_pc~0); 1677#L496 assume !(1 == ~wb_pc~0); 1719#L505 assume !(1 == ~e_c~0); 1720#L514-1 assume !(1 == ~e_e~0); 1741#L519-1 assume !(1 == ~e_f~0); 1752#L524-1 assume !(1 == ~e_g~0); 1753#L529-1 assume !(1 == ~e_c~0); 1617#L534-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1618#L676-1 [2024-10-31 22:14:42,607 INFO L747 eck$LassoCheckResult]: Loop: 1618#L676-1 assume !false; 1867#L546 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; 1807#L381 assume !false; 1742#L299 assume !(0 == ~wl_st~0); 1743#L303 assume !(0 == ~c1_st~0); 1852#L306 assume !(0 == ~c2_st~0); 1834#L309 assume !(0 == ~wb_st~0); 1835#L312 assume !(0 == ~r_st~0); 1853#eval_returnLabel#1 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; 1859#L552 assume !(1 == ~c_req_up~0); 1794#L552-2 start_simulation_~kernel_st~0#1 := 3; 1664#L564 assume 0 == ~e_f~0;~e_f~0 := 1; 1665#L564-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1674#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 1855#L574-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1856#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1902#L584-1 assume 1 == ~wl_pc~0; 1900#L590 assume 1 == ~e_wl~0;~wl_st~0 := 0; 1898#L597 assume !(1 == ~c1_pc~0); 1894#L607 assume !(1 == ~c2_pc~0); 1889#L616 assume !(1 == ~wb_pc~0); 1888#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 1884#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1781#L639-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1782#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1846#L649-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1749#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1750#L659-1 assume 0 == ~wl_st~0; 1618#L676-1 [2024-10-31 22:14:42,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:42,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1738779217, now seen corresponding path program 1 times [2024-10-31 22:14:42,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:42,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92677895] [2024-10-31 22:14:42,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:42,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:42,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-31 22:14:42,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:14:42,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:42,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92677895] [2024-10-31 22:14:42,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92677895] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:42,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:42,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:14:42,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362817070] [2024-10-31 22:14:42,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:42,717 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:14:42,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:42,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1329201933, now seen corresponding path program 2 times [2024-10-31 22:14:42,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:42,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631218551] [2024-10-31 22:14:42,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:42,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:42,727 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:14:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:42,735 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:14:42,989 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:14:42,990 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:14:42,990 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:14:42,990 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:14:42,990 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:14:42,990 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:42,990 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:14:42,990 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:14:42,991 INFO L132 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration3_Loop [2024-10-31 22:14:42,991 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:14:42,991 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:14:42,995 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:42,999 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,003 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,006 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,010 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,017 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,020 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,026 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,033 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,036 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,043 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,046 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,049 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,055 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,060 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,064 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,066 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,070 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,073 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,075 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,081 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,085 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,088 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,091 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,097 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,334 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:14:43,334 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:14:43,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:43,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:43,340 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:43,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-31 22:14:43,343 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:14:43,343 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:14:43,369 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:14:43,369 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:14:43,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-31 22:14:43,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:43,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:43,394 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:43,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 22:14:43,397 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:14:43,397 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:14:43,416 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:14:43,419 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: [] [2024-10-31 22:14:43,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-31 22:14:43,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:43,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:43,444 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:43,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-31 22:14:43,447 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:14:43,448 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:14:43,467 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:14:43,467 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet8#1=0} Honda state: {ULTIMATE.start_eval_#t~nondet8#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:14:43,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-31 22:14:43,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:43,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:43,488 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:43,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 22:14:43,491 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:14:43,491 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:14:43,516 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:14:43,517 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:14:43,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-10-31 22:14:43,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:43,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:43,537 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:43,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 22:14:43,538 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:14:43,539 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:14:43,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-10-31 22:14:43,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:43,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:43,576 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:43,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 22:14:43,579 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:14:43,579 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:14:43,598 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:14:43,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-31 22:14:43,617 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:14:43,617 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:14:43,617 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:14:43,617 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:14:43,617 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:14:43,617 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:43,617 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:14:43,618 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:14:43,618 INFO L132 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration3_Loop [2024-10-31 22:14:43,618 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:14:43,618 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:14:43,621 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,625 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,628 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,631 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,635 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,643 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,647 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,653 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,660 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,664 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,670 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,675 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,677 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,680 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,688 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,691 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,695 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,698 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,701 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,707 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,710 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,716 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,721 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,724 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,730 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:43,971 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:14:43,972 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:14:43,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:43,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:43,978 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:43,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 22:14:43,982 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 [2024-10-31 22:14:43,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:14:43,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:14:43,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:14:43,997 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-31 22:14:43,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:14:43,998 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-31 22:14:43,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:14:44,001 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:14:44,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-31 22:14:44,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:44,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:44,021 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:44,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-31 22:14:44,025 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 [2024-10-31 22:14:44,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:14:44,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:14:44,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:14:44,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:14:44,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:14:44,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:14:44,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:14:44,043 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:14:44,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-10-31 22:14:44,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:44,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:44,064 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:44,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-31 22:14:44,067 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 [2024-10-31 22:14:44,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:14:44,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:14:44,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:14:44,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:14:44,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:14:44,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:14:44,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:14:44,085 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:14:44,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-10-31 22:14:44,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:44,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:44,105 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:44,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-31 22:14:44,108 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 [2024-10-31 22:14:44,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:14:44,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:14:44,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:14:44,123 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-31 22:14:44,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:14:44,124 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-31 22:14:44,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:14:44,127 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:14:44,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-31 22:14:44,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:44,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:44,149 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:44,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-31 22:14:44,151 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 [2024-10-31 22:14:44,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:14:44,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:14:44,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:14:44,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:14:44,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:14:44,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:14:44,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:14:44,166 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:14:44,168 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-31 22:14:44,169 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-31 22:14:44,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:44,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:44,170 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:44,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-31 22:14:44,172 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:14:44,172 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:14:44,172 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:14:44,172 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -1*~e_c~0 + 1 Supporting invariants [] [2024-10-31 22:14:44,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-10-31 22:14:44,186 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:14:44,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:44,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-10-31 22:14:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:44,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:14:44,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:14:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:44,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:14:44,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:14:44,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:14:44,457 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 [2024-10-31 22:14:44,457 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 316 states and 545 transitions. cyclomatic complexity: 232 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2024-10-31 22:14:44,523 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 316 states and 545 transitions. cyclomatic complexity: 232. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 604 states and 1037 transitions. Complement of second has 5 states. [2024-10-31 22:14:44,524 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 [2024-10-31 22:14:44,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2024-10-31 22:14:44,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 382 transitions. [2024-10-31 22:14:44,527 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 382 transitions. Stem has 24 letters. Loop has 28 letters. [2024-10-31 22:14:44,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:14:44,529 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 382 transitions. Stem has 52 letters. Loop has 28 letters. [2024-10-31 22:14:44,529 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:14:44,529 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 382 transitions. Stem has 24 letters. Loop has 56 letters. [2024-10-31 22:14:44,531 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:14:44,531 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 604 states and 1037 transitions. [2024-10-31 22:14:44,537 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 376 [2024-10-31 22:14:44,542 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 604 states to 604 states and 1037 transitions. [2024-10-31 22:14:44,542 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 409 [2024-10-31 22:14:44,543 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 412 [2024-10-31 22:14:44,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 604 states and 1037 transitions. [2024-10-31 22:14:44,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:14:44,543 INFO L218 hiAutomatonCegarLoop]: Abstraction has 604 states and 1037 transitions. [2024-10-31 22:14:44,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states and 1037 transitions. [2024-10-31 22:14:44,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 316. [2024-10-31 22:14:44,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 316 states have (on average 1.7246835443037976) internal successors, (545), 315 states have internal predecessors, (545), 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) [2024-10-31 22:14:44,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 545 transitions. [2024-10-31 22:14:44,560 INFO L240 hiAutomatonCegarLoop]: Abstraction has 316 states and 545 transitions. [2024-10-31 22:14:44,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:44,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:14:44,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:14:44,561 INFO L87 Difference]: Start difference. First operand 316 states and 545 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2024-10-31 22:14:44,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:14:44,574 INFO L93 Difference]: Finished difference Result 316 states and 544 transitions. [2024-10-31 22:14:44,575 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 316 states and 544 transitions. [2024-10-31 22:14:44,578 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 188 [2024-10-31 22:14:44,580 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 316 states to 316 states and 544 transitions. [2024-10-31 22:14:44,581 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 220 [2024-10-31 22:14:44,581 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 220 [2024-10-31 22:14:44,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 316 states and 544 transitions. [2024-10-31 22:14:44,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:14:44,582 INFO L218 hiAutomatonCegarLoop]: Abstraction has 316 states and 544 transitions. [2024-10-31 22:14:44,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states and 544 transitions. [2024-10-31 22:14:44,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2024-10-31 22:14:44,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 316 states have (on average 1.7215189873417722) internal successors, (544), 315 states have internal predecessors, (544), 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) [2024-10-31 22:14:44,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 544 transitions. [2024-10-31 22:14:44,592 INFO L240 hiAutomatonCegarLoop]: Abstraction has 316 states and 544 transitions. [2024-10-31 22:14:44,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:14:44,593 INFO L425 stractBuchiCegarLoop]: Abstraction has 316 states and 544 transitions. [2024-10-31 22:14:44,593 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-31 22:14:44,593 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 316 states and 544 transitions. [2024-10-31 22:14:44,595 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 188 [2024-10-31 22:14:44,596 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:14:44,596 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:14:44,598 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] [2024-10-31 22:14:44,598 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:44,598 INFO L745 eck$LassoCheckResult]: Stem: 3423#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 3424#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 3475#L408 assume !(1 == ~c_req_up~0); 3412#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 3554#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 3573#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 3524#L429-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 3525#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 3486#L439-1 assume !(0 == ~e_f~0); 3351#L444-1 assume !(0 == ~e_g~0); 3352#L449-1 assume !(0 == ~e_e~0); 3511#L454-1 assume !(0 == ~e_c~0); 3512#L459-1 assume !(0 == ~e_wl~0); 3425#L464-1 assume !(1 == ~wl_pc~0); 3426#$Ultimate##44 assume !(2 == ~wl_pc~0); 3421#L477 assume !(1 == ~c1_pc~0); 3408#L487 assume !(1 == ~c2_pc~0); 3410#L496 assume !(1 == ~wb_pc~0); 3446#L505 assume !(1 == ~e_c~0); 3447#L514-1 assume !(1 == ~e_e~0); 3472#L519-1 assume !(1 == ~e_f~0); 3478#L524-1 assume !(1 == ~e_g~0); 3479#L529-1 assume !(1 == ~e_c~0); 3345#L534-1 assume !(1 == ~e_wl~0); 3346#L676-1 assume !false; 3348#L546 [2024-10-31 22:14:44,599 INFO L747 eck$LassoCheckResult]: Loop: 3348#L546 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; 3396#L381 assume !false; 3468#L299 assume !(0 == ~wl_st~0); 3469#L303 assume !(0 == ~c1_st~0); 3571#L306 assume !(0 == ~c2_st~0); 3558#L309 assume !(0 == ~wb_st~0); 3559#L312 assume !(0 == ~r_st~0); 3574#eval_returnLabel#1 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; 3580#L552 assume !(1 == ~c_req_up~0); 3520#L552-2 start_simulation_~kernel_st~0#1 := 3; 3521#L564 assume 0 == ~e_f~0;~e_f~0 := 1; 3401#L564-2 assume 0 == ~e_g~0;~e_g~0 := 1; 3353#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 3354#L574-1 assume !(0 == ~e_c~0); 3373#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 3374#L584-1 assume 1 == ~wl_pc~0; 3493#L590 assume 1 == ~e_wl~0;~wl_st~0 := 0; 3494#L597 assume !(1 == ~c1_pc~0); 3434#L607 assume !(1 == ~c2_pc~0); 3435#L616 assume !(1 == ~wb_pc~0); 3535#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 3518#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 3507#L639-1 assume 1 == ~e_f~0;~e_f~0 := 2; 3508#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 3540#L649-1 assume !(1 == ~e_c~0); 3476#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 3413#L659-1 assume 0 == ~wl_st~0; 3347#L676-1 assume !false; 3348#L546 [2024-10-31 22:14:44,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:44,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1939846590, now seen corresponding path program 1 times [2024-10-31 22:14:44,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:44,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206204025] [2024-10-31 22:14:44,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:44,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:44,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:14:44,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:44,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206204025] [2024-10-31 22:14:44,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206204025] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:44,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:44,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:14:44,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150571554] [2024-10-31 22:14:44,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:44,631 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:14:44,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:44,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1635242511, now seen corresponding path program 1 times [2024-10-31 22:14:44,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:44,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223559755] [2024-10-31 22:14:44,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:44,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:44,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:14:44,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:44,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223559755] [2024-10-31 22:14:44,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223559755] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:44,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:44,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:14:44,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784888856] [2024-10-31 22:14:44,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:44,656 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-31 22:14:44,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:44,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:14:44,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:14:44,657 INFO L87 Difference]: Start difference. First operand 316 states and 544 transitions. cyclomatic complexity: 231 Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-10-31 22:14:44,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:14:44,666 INFO L93 Difference]: Finished difference Result 316 states and 543 transitions. [2024-10-31 22:14:44,666 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 316 states and 543 transitions. [2024-10-31 22:14:44,669 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 188 [2024-10-31 22:14:44,671 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 316 states to 316 states and 543 transitions. [2024-10-31 22:14:44,671 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 220 [2024-10-31 22:14:44,672 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 220 [2024-10-31 22:14:44,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 316 states and 543 transitions. [2024-10-31 22:14:44,672 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:14:44,672 INFO L218 hiAutomatonCegarLoop]: Abstraction has 316 states and 543 transitions. [2024-10-31 22:14:44,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states and 543 transitions. [2024-10-31 22:14:44,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2024-10-31 22:14:44,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 316 states have (on average 1.7183544303797469) internal successors, (543), 315 states have internal predecessors, (543), 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) [2024-10-31 22:14:44,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 543 transitions. [2024-10-31 22:14:44,679 INFO L240 hiAutomatonCegarLoop]: Abstraction has 316 states and 543 transitions. [2024-10-31 22:14:44,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:14:44,681 INFO L425 stractBuchiCegarLoop]: Abstraction has 316 states and 543 transitions. [2024-10-31 22:14:44,681 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-31 22:14:44,681 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 316 states and 543 transitions. [2024-10-31 22:14:44,683 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 188 [2024-10-31 22:14:44,683 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:14:44,683 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:14:44,684 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] [2024-10-31 22:14:44,684 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:44,684 INFO L745 eck$LassoCheckResult]: Stem: 4062#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 4063#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 4115#L408 assume !(1 == ~c_req_up~0); 4051#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 4191#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 4211#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 4161#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 4162#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 4126#L439-1 assume !(0 == ~e_f~0); 3990#L444-1 assume !(0 == ~e_g~0); 3991#L449-1 assume !(0 == ~e_e~0); 4151#L454-1 assume !(0 == ~e_c~0); 4152#L459-1 assume !(0 == ~e_wl~0); 4064#L464-1 assume !(1 == ~wl_pc~0); 4065#$Ultimate##44 assume !(2 == ~wl_pc~0); 4060#L477 assume !(1 == ~c1_pc~0); 4041#L487 assume !(1 == ~c2_pc~0); 4043#L496 assume !(1 == ~wb_pc~0); 4085#L505 assume !(1 == ~e_c~0); 4086#L514-1 assume !(1 == ~e_e~0); 4107#L519-1 assume !(1 == ~e_f~0); 4116#L524-1 assume !(1 == ~e_g~0); 4117#L529-1 assume !(1 == ~e_c~0); 3984#L534-1 assume !(1 == ~e_wl~0); 3985#L676-1 assume !false; 3987#L546 [2024-10-31 22:14:44,685 INFO L747 eck$LassoCheckResult]: Loop: 3987#L546 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; 4035#L381 assume !false; 4108#L299 assume !(0 == ~wl_st~0); 4110#L303 assume !(0 == ~c1_st~0); 4209#L306 assume !(0 == ~c2_st~0); 4196#L309 assume !(0 == ~wb_st~0); 4197#L312 assume !(0 == ~r_st~0); 4212#eval_returnLabel#1 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; 4218#L552 assume !(1 == ~c_req_up~0); 4159#L552-2 start_simulation_~kernel_st~0#1 := 3; 4160#L564 assume 0 == ~e_f~0;~e_f~0 := 1; 4040#L564-2 assume 0 == ~e_g~0;~e_g~0 := 1; 3992#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 3993#L574-1 assume !(0 == ~e_c~0); 4012#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 4013#L584-1 assume 1 == ~wl_pc~0; 4133#L590 assume 1 == ~e_wl~0;~wl_st~0 := 0; 4134#L597 assume !(1 == ~c1_pc~0); 4073#L607 assume !(1 == ~c2_pc~0); 4074#L616 assume !(1 == ~wb_pc~0); 4173#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 4157#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 4147#L639-1 assume 1 == ~e_f~0;~e_f~0 := 2; 4148#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 4178#L649-1 assume !(1 == ~e_c~0); 4118#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 4052#L659-1 assume 0 == ~wl_st~0; 3986#L676-1 assume !false; 3987#L546 [2024-10-31 22:14:44,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:44,685 INFO L85 PathProgramCache]: Analyzing trace with hash -666176964, now seen corresponding path program 1 times [2024-10-31 22:14:44,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:44,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491173818] [2024-10-31 22:14:44,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:44,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:44,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:44,698 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:14:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:44,709 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:14:44,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:44,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1635242511, now seen corresponding path program 2 times [2024-10-31 22:14:44,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:44,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567724774] [2024-10-31 22:14:44,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:44,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:44,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:14:44,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:44,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567724774] [2024-10-31 22:14:44,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567724774] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:44,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:44,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:14:44,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151116778] [2024-10-31 22:14:44,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:44,736 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-31 22:14:44,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:44,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:14:44,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:14:44,737 INFO L87 Difference]: Start difference. First operand 316 states and 543 transitions. cyclomatic complexity: 230 Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2024-10-31 22:14:44,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:14:44,774 INFO L93 Difference]: Finished difference Result 378 states and 658 transitions. [2024-10-31 22:14:44,774 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 378 states and 658 transitions. [2024-10-31 22:14:44,777 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 204 [2024-10-31 22:14:44,779 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 378 states to 363 states and 628 transitions. [2024-10-31 22:14:44,779 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 252 [2024-10-31 22:14:44,780 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 252 [2024-10-31 22:14:44,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 363 states and 628 transitions. [2024-10-31 22:14:44,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:14:44,781 INFO L218 hiAutomatonCegarLoop]: Abstraction has 363 states and 628 transitions. [2024-10-31 22:14:44,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states and 628 transitions. [2024-10-31 22:14:44,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2024-10-31 22:14:44,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 363 states have (on average 1.7300275482093663) internal successors, (628), 362 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:14:44,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 628 transitions. [2024-10-31 22:14:44,788 INFO L240 hiAutomatonCegarLoop]: Abstraction has 363 states and 628 transitions. [2024-10-31 22:14:44,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:14:44,789 INFO L425 stractBuchiCegarLoop]: Abstraction has 363 states and 628 transitions. [2024-10-31 22:14:44,789 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-31 22:14:44,789 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 363 states and 628 transitions. [2024-10-31 22:14:44,791 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 204 [2024-10-31 22:14:44,792 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:14:44,792 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:14:44,793 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] [2024-10-31 22:14:44,793 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:44,793 INFO L745 eck$LassoCheckResult]: Stem: 4761#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 4762#L-1 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; 4816#L408 assume !(1 == ~c_req_up~0); 4750#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 4899#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 4919#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 4863#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 4864#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 4827#L439-1 assume !(0 == ~e_f~0); 4690#L444-1 assume !(0 == ~e_g~0); 4691#L449-1 assume !(0 == ~e_e~0); 4852#L454-1 assume 0 == ~e_c~0;~e_c~0 := 1; 4853#L459-1 assume !(0 == ~e_wl~0); 4988#L464-1 assume !(1 == ~wl_pc~0); 4986#$Ultimate##44 assume !(2 == ~wl_pc~0); 4984#L477 assume !(1 == ~c1_pc~0); 4982#L487 assume !(1 == ~c2_pc~0); 4900#L496 assume !(1 == ~wb_pc~0); 4784#L505 assume 1 == ~e_c~0;~r_st~0 := 0; 4785#L514-1 assume !(1 == ~e_e~0); 4923#L519-1 assume !(1 == ~e_f~0); 4922#L524-1 assume !(1 == ~e_g~0); 4921#L529-1 assume 1 == ~e_c~0;~e_c~0 := 2; 4684#L534-1 assume !(1 == ~e_wl~0); 4685#L676-1 assume !false; 4924#L546 [2024-10-31 22:14:44,793 INFO L747 eck$LassoCheckResult]: Loop: 4924#L546 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; 4958#L381 assume !false; 4807#L299 assume !(0 == ~wl_st~0); 4809#L303 assume !(0 == ~c1_st~0); 4917#L306 assume !(0 == ~c2_st~0); 4904#L309 assume !(0 == ~wb_st~0); 4905#L312 assume !(0 == ~r_st~0); 4908#eval_returnLabel#1 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; 4821#L552 assume !(1 == ~c_req_up~0); 4822#L552-2 start_simulation_~kernel_st~0#1 := 3; 4730#L564 assume 0 == ~e_f~0;~e_f~0 := 1; 4731#L564-2 assume 0 == ~e_g~0;~e_g~0 := 1; 4692#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 4693#L574-1 assume !(0 == ~e_c~0); 4712#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 4713#L584-1 assume 1 == ~wl_pc~0; 4834#L590 assume 1 == ~e_wl~0;~wl_st~0 := 0; 4835#L597 assume !(1 == ~c1_pc~0); 4772#L607 assume !(1 == ~c2_pc~0); 4773#L616 assume !(1 == ~wb_pc~0); 4877#L625 assume !(1 == ~e_c~0); 4859#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 4848#L639-1 assume 1 == ~e_f~0;~e_f~0 := 2; 4849#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 4882#L649-1 assume !(1 == ~e_c~0); 4883#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 4968#L659-1 assume 0 == ~wl_st~0; 4963#L676-1 assume !false; 4924#L546 [2024-10-31 22:14:44,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:44,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1430068998, now seen corresponding path program 1 times [2024-10-31 22:14:44,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:44,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486541456] [2024-10-31 22:14:44,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:44,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:44,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:14:44,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:44,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486541456] [2024-10-31 22:14:44,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486541456] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:44,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:44,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:14:44,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996341333] [2024-10-31 22:14:44,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:44,853 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:14:44,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:44,854 INFO L85 PathProgramCache]: Analyzing trace with hash 825895885, now seen corresponding path program 1 times [2024-10-31 22:14:44,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:44,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034464350] [2024-10-31 22:14:44,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:44,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:44,862 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:14:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:44,870 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:14:45,098 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:14:45,110 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:14:45,110 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:14:45,110 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:14:45,111 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:14:45,111 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:45,111 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:14:45,111 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:14:45,111 INFO L132 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration6_Loop [2024-10-31 22:14:45,111 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:14:45,111 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:14:45,113 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,121 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,124 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,127 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,131 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,137 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,140 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,143 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,149 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,153 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,159 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,162 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,164 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,167 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,174 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,176 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,179 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,185 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,188 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,197 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,200 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,202 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,207 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,210 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,500 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:14:45,500 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:14:45,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:45,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:45,503 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:45,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-31 22:14:45,508 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:14:45,508 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:14:45,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-10-31 22:14:45,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:45,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:45,539 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:45,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-31 22:14:45,541 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:14:45,541 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:14:45,555 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:14:45,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-31 22:14:45,571 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:14:45,572 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:14:45,572 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:14:45,572 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:14:45,572 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:14:45,572 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:45,572 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:14:45,572 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:14:45,572 INFO L132 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration6_Loop [2024-10-31 22:14:45,572 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:14:45,572 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:14:45,574 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,579 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,585 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,588 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,591 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,598 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,602 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,608 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,612 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,618 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,623 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,626 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,629 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,632 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,637 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,640 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,644 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,647 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,651 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,654 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,662 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,665 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,667 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,671 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:14:45,916 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:14:45,916 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:14:45,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:45,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:45,919 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:45,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-31 22:14:45,922 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 [2024-10-31 22:14:45,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:14:45,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:14:45,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:14:45,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:14:45,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:14:45,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:14:45,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:14:45,941 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:14:45,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-10-31 22:14:45,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:45,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:45,962 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:45,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-31 22:14:45,965 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 [2024-10-31 22:14:45,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:14:45,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:14:45,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:14:45,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:14:45,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:14:45,980 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:14:45,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:14:45,985 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:14:45,989 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-31 22:14:45,989 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-31 22:14:45,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:14:45,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:45,991 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:45,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-31 22:14:45,993 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:14:45,993 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:14:45,993 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:14:45,994 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_f~0) = -1*~e_f~0 + 1 Supporting invariants [] [2024-10-31 22:14:46,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-10-31 22:14:46,012 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:14:46,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:46,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:14:46,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:14:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:46,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:14:46,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:14:46,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:14:46,252 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 [2024-10-31 22:14:46,252 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 363 states and 628 transitions. cyclomatic complexity: 268 Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 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) [2024-10-31 22:14:46,311 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 363 states and 628 transitions. cyclomatic complexity: 268. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 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 980 states and 1690 transitions. Complement of second has 5 states. [2024-10-31 22:14:46,311 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 [2024-10-31 22:14:46,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 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) [2024-10-31 22:14:46,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 212 transitions. [2024-10-31 22:14:46,313 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 212 transitions. Stem has 25 letters. Loop has 28 letters. [2024-10-31 22:14:46,313 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:14:46,314 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 212 transitions. Stem has 53 letters. Loop has 28 letters. [2024-10-31 22:14:46,314 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:14:46,314 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 212 transitions. Stem has 25 letters. Loop has 56 letters. [2024-10-31 22:14:46,314 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:14:46,315 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 980 states and 1690 transitions. [2024-10-31 22:14:46,323 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 388 [2024-10-31 22:14:46,330 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 980 states to 965 states and 1669 transitions. [2024-10-31 22:14:46,330 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 448 [2024-10-31 22:14:46,331 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 454 [2024-10-31 22:14:46,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 965 states and 1669 transitions. [2024-10-31 22:14:46,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:14:46,332 INFO L218 hiAutomatonCegarLoop]: Abstraction has 965 states and 1669 transitions. [2024-10-31 22:14:46,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states and 1669 transitions. [2024-10-31 22:14:46,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 944. [2024-10-31 22:14:46,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 944 states, 944 states have (on average 1.7394067796610169) internal successors, (1642), 943 states have internal predecessors, (1642), 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) [2024-10-31 22:14:46,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1642 transitions. [2024-10-31 22:14:46,356 INFO L240 hiAutomatonCegarLoop]: Abstraction has 944 states and 1642 transitions. [2024-10-31 22:14:46,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:46,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:14:46,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:14:46,357 INFO L87 Difference]: Start difference. First operand 944 states and 1642 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-10-31 22:14:46,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:14:46,508 INFO L93 Difference]: Finished difference Result 1315 states and 2246 transitions. [2024-10-31 22:14:46,508 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1315 states and 2246 transitions. [2024-10-31 22:14:46,520 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 484 [2024-10-31 22:14:46,528 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1315 states to 1315 states and 2246 transitions. [2024-10-31 22:14:46,529 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 572 [2024-10-31 22:14:46,530 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 572 [2024-10-31 22:14:46,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1315 states and 2246 transitions. [2024-10-31 22:14:46,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:14:46,531 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1315 states and 2246 transitions. [2024-10-31 22:14:46,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1315 states and 2246 transitions. [2024-10-31 22:14:46,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1315 to 1125. [2024-10-31 22:14:46,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1125 states, 1125 states have (on average 1.7182222222222223) internal successors, (1933), 1124 states have internal predecessors, (1933), 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) [2024-10-31 22:14:46,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 1125 states and 1933 transitions. [2024-10-31 22:14:46,557 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1125 states and 1933 transitions. [2024-10-31 22:14:46,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:14:46,559 INFO L425 stractBuchiCegarLoop]: Abstraction has 1125 states and 1933 transitions. [2024-10-31 22:14:46,559 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-10-31 22:14:46,560 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1125 states and 1933 transitions. [2024-10-31 22:14:46,564 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 400 [2024-10-31 22:14:46,565 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:14:46,565 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:14:46,566 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:46,568 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:46,568 INFO L745 eck$LassoCheckResult]: Stem: 8545#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 8546#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 8600#L408 assume !(1 == ~c_req_up~0); 8712#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 8729#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 8730#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 8738#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 8737#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 8611#L439-1 assume !(0 == ~e_f~0); 8474#L444-1 assume !(0 == ~e_g~0); 8475#L449-1 assume !(0 == ~e_e~0); 8636#L454-1 assume !(0 == ~e_c~0); 8637#L459-1 assume !(0 == ~e_wl~0); 8547#L464-1 assume !(1 == ~wl_pc~0); 8548#$Ultimate##44 assume !(2 == ~wl_pc~0); 8542#L477 assume !(1 == ~c1_pc~0); 8544#L487 assume !(1 == ~c2_pc~0); 9087#L496 assume !(1 == ~wb_pc~0); 9085#L505 assume 1 == ~e_c~0;~r_st~0 := 0; 8569#L514-1 assume !(1 == ~e_e~0); 8597#L519-1 assume !(1 == ~e_f~0); 8603#L524-1 assume !(1 == ~e_g~0); 8604#L529-1 assume 1 == ~e_c~0;~e_c~0 := 2; 8468#L534-1 assume !(1 == ~e_wl~0); 8469#L676-1 assume !false; 8808#L546 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; 8519#L381 [2024-10-31 22:14:46,568 INFO L747 eck$LassoCheckResult]: Loop: 8519#L381 assume !false; 8592#L299 assume 0 == ~wl_st~0; 8550#L312-1 assume !(0 == ~wl_st~0); 8551#L321 assume !(0 == ~c1_st~0); 8512#L336 assume !(0 == ~c2_st~0); 8572#L351 assume !(0 == ~wb_st~0); 8481#L366 assume !(0 == ~r_st~0); 8519#L381 [2024-10-31 22:14:46,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:46,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1632637821, now seen corresponding path program 1 times [2024-10-31 22:14:46,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:46,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405062264] [2024-10-31 22:14:46,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:46,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:46,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:46,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:14:46,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:46,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405062264] [2024-10-31 22:14:46,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405062264] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:46,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:46,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:14:46,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390075002] [2024-10-31 22:14:46,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:46,627 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:14:46,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:46,627 INFO L85 PathProgramCache]: Analyzing trace with hash 121813293, now seen corresponding path program 1 times [2024-10-31 22:14:46,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:46,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344413251] [2024-10-31 22:14:46,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:46,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:46,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:14:46,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:46,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344413251] [2024-10-31 22:14:46,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344413251] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:46,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:46,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:14:46,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137587164] [2024-10-31 22:14:46,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:46,639 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-31 22:14:46,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:46,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:14:46,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:14:46,640 INFO L87 Difference]: Start difference. First operand 1125 states and 1933 transitions. cyclomatic complexity: 819 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:14:46,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:14:46,736 INFO L93 Difference]: Finished difference Result 1795 states and 3046 transitions. [2024-10-31 22:14:46,736 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1795 states and 3046 transitions. [2024-10-31 22:14:46,747 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 646 [2024-10-31 22:14:46,757 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1795 states to 1795 states and 3046 transitions. [2024-10-31 22:14:46,757 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 726 [2024-10-31 22:14:46,758 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 726 [2024-10-31 22:14:46,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1795 states and 3046 transitions. [2024-10-31 22:14:46,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:14:46,759 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1795 states and 3046 transitions. [2024-10-31 22:14:46,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1795 states and 3046 transitions. [2024-10-31 22:14:46,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-10-31 22:14:46,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1795 to 1795. [2024-10-31 22:14:46,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1795 states, 1795 states have (on average 1.6969359331476324) internal successors, (3046), 1794 states have internal predecessors, (3046), 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) [2024-10-31 22:14:46,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1795 states and 3046 transitions. [2024-10-31 22:14:46,803 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1795 states and 3046 transitions. [2024-10-31 22:14:46,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:14:46,804 INFO L425 stractBuchiCegarLoop]: Abstraction has 1795 states and 3046 transitions. [2024-10-31 22:14:46,804 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-10-31 22:14:46,804 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1795 states and 3046 transitions. [2024-10-31 22:14:46,814 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 646 [2024-10-31 22:14:46,814 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:14:46,815 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:14:46,815 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:46,816 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:46,816 INFO L745 eck$LassoCheckResult]: Stem: 11472#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 11473#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 11525#L408 assume !(1 == ~c_req_up~0); 11461#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 11691#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 11690#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 11689#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 11688#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 11538#L439-1 assume !(0 == ~e_f~0); 11401#L444-1 assume !(0 == ~e_g~0); 11402#L449-1 assume !(0 == ~e_e~0); 11565#L454-1 assume !(0 == ~e_c~0); 11566#L459-1 assume !(0 == ~e_wl~0); 11474#L464-1 assume !(1 == ~wl_pc~0); 11475#$Ultimate##44 assume !(2 == ~wl_pc~0); 11470#L477 assume !(1 == ~c1_pc~0); 11452#L487 assume !(1 == ~c2_pc~0); 11454#L496 assume !(1 == ~wb_pc~0); 12093#L505 assume 1 == ~e_c~0;~r_st~0 := 0; 11494#L514-1 assume !(1 == ~e_e~0); 11693#L519-1 assume !(1 == ~e_f~0); 11692#L524-1 assume !(1 == ~e_g~0); 11680#L529-1 assume 1 == ~e_c~0;~e_c~0 := 2; 11395#L534-1 assume !(1 == ~e_wl~0); 11396#L676-1 assume !false; 12065#L546 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; 12417#L381 [2024-10-31 22:14:46,816 INFO L747 eck$LassoCheckResult]: Loop: 12417#L381 assume !false; 12907#L299 assume 0 == ~wl_st~0; 12905#L312-1 assume 0 == ~wl_st~0;havoc eval_#t~nondet4#1;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 12902#L325 assume !(0 != eval_~tmp~0#1); 11588#L321 assume !(0 == ~c1_st~0); 11439#L336 assume !(0 == ~c2_st~0); 11497#L351 assume !(0 == ~wb_st~0); 11408#L366 assume !(0 == ~r_st~0); 12417#L381 [2024-10-31 22:14:46,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:46,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1632637821, now seen corresponding path program 2 times [2024-10-31 22:14:46,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:46,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989898067] [2024-10-31 22:14:46,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:46,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:46,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:14:46,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:46,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989898067] [2024-10-31 22:14:46,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989898067] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:46,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:46,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:14:46,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791990395] [2024-10-31 22:14:46,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:46,872 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:14:46,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:46,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1284632440, now seen corresponding path program 1 times [2024-10-31 22:14:46,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:46,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614031861] [2024-10-31 22:14:46,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:46,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:46,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:14:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:46,881 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:14:46,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:46,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:14:46,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:14:46,920 INFO L87 Difference]: Start difference. First operand 1795 states and 3046 transitions. cyclomatic complexity: 1262 Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:14:46,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:14:46,985 INFO L93 Difference]: Finished difference Result 3100 states and 5202 transitions. [2024-10-31 22:14:46,985 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3100 states and 5202 transitions. [2024-10-31 22:14:47,008 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1226 [2024-10-31 22:14:47,020 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3100 states to 2525 states and 4241 transitions. [2024-10-31 22:14:47,021 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1311 [2024-10-31 22:14:47,022 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1343 [2024-10-31 22:14:47,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2525 states and 4241 transitions. [2024-10-31 22:14:47,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:14:47,023 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2525 states and 4241 transitions. [2024-10-31 22:14:47,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2525 states and 4241 transitions. [2024-10-31 22:14:47,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2525 to 1638. [2024-10-31 22:14:47,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1638 states, 1638 states have (on average 1.6904761904761905) internal successors, (2769), 1637 states have internal predecessors, (2769), 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) [2024-10-31 22:14:47,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1638 states and 2769 transitions. [2024-10-31 22:14:47,088 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1638 states and 2769 transitions. [2024-10-31 22:14:47,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:14:47,089 INFO L425 stractBuchiCegarLoop]: Abstraction has 1638 states and 2769 transitions. [2024-10-31 22:14:47,089 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-10-31 22:14:47,090 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1638 states and 2769 transitions. [2024-10-31 22:14:47,097 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 646 [2024-10-31 22:14:47,097 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:14:47,098 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:14:47,098 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:47,098 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:47,102 INFO L745 eck$LassoCheckResult]: Stem: 16373#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 16374#L-1 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; 16424#L408 assume !(1 == ~c_req_up~0); 16515#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 16516#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 16557#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 16558#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 16549#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 16436#L439-1 assume !(0 == ~e_f~0); 16302#L444-1 assume !(0 == ~e_g~0); 16303#L449-1 assume !(0 == ~e_e~0); 16463#L454-1 assume !(0 == ~e_c~0); 16464#L459-1 assume !(0 == ~e_wl~0); 16544#L464-1 assume !(1 == ~wl_pc~0); 16596#$Ultimate##44 assume !(2 == ~wl_pc~0); 16592#L477 assume !(1 == ~c1_pc~0); 16590#L487 assume !(1 == ~c2_pc~0); 16587#L496 assume !(1 == ~wb_pc~0); 16394#L505 assume !(1 == ~e_c~0); 16395#L514-1 assume !(1 == ~e_e~0); 16417#L519-1 assume 1 == ~e_f~0;~e_f~0 := 2; 16425#L524-1 assume !(1 == ~e_g~0); 16426#L529-1 assume !(1 == ~e_c~0); 16296#L534-1 assume !(1 == ~e_wl~0); 16297#L676-1 assume !false; 16733#L546 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 16347#L381 [2024-10-31 22:14:47,102 INFO L747 eck$LassoCheckResult]: Loop: 16347#L381 assume !false; 17800#L299 assume 0 == ~wl_st~0; 17757#L312-1 assume 0 == ~wl_st~0;havoc eval_#t~nondet4#1;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 17794#L325 assume !(0 != eval_~tmp~0#1); 16487#L321 assume !(0 == ~c1_st~0); 16340#L336 assume !(0 == ~c2_st~0); 16398#L351 assume !(0 == ~wb_st~0); 16309#L366 assume !(0 == ~r_st~0); 16347#L381 [2024-10-31 22:14:47,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:47,102 INFO L85 PathProgramCache]: Analyzing trace with hash 766092475, now seen corresponding path program 1 times [2024-10-31 22:14:47,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:47,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017730626] [2024-10-31 22:14:47,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:47,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:47,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:14:47,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:47,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017730626] [2024-10-31 22:14:47,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017730626] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:47,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:47,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:14:47,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514945736] [2024-10-31 22:14:47,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:47,158 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:14:47,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:47,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1284632440, now seen corresponding path program 2 times [2024-10-31 22:14:47,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:47,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649080329] [2024-10-31 22:14:47,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:47,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:47,162 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:14:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:47,165 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:14:47,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:47,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:14:47,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:14:47,196 INFO L87 Difference]: Start difference. First operand 1638 states and 2769 transitions. cyclomatic complexity: 1138 Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:14:47,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:14:47,343 INFO L93 Difference]: Finished difference Result 2129 states and 3576 transitions. [2024-10-31 22:14:47,344 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2129 states and 3576 transitions. [2024-10-31 22:14:47,356 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 870 [2024-10-31 22:14:47,366 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2129 states to 2129 states and 3576 transitions. [2024-10-31 22:14:47,366 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1079 [2024-10-31 22:14:47,368 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1079 [2024-10-31 22:14:47,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2129 states and 3576 transitions. [2024-10-31 22:14:47,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:14:47,368 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2129 states and 3576 transitions. [2024-10-31 22:14:47,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2129 states and 3576 transitions. [2024-10-31 22:14:47,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2129 to 1941. [2024-10-31 22:14:47,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1941 states, 1941 states have (on average 1.6867594023699124) internal successors, (3274), 1940 states have internal predecessors, (3274), 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) [2024-10-31 22:14:47,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1941 states and 3274 transitions. [2024-10-31 22:14:47,441 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1941 states and 3274 transitions. [2024-10-31 22:14:47,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:14:47,443 INFO L425 stractBuchiCegarLoop]: Abstraction has 1941 states and 3274 transitions. [2024-10-31 22:14:47,444 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-10-31 22:14:47,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1941 states and 3274 transitions. [2024-10-31 22:14:47,453 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 728 [2024-10-31 22:14:47,453 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:14:47,453 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:14:47,453 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:47,454 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:47,454 INFO L745 eck$LassoCheckResult]: Stem: 20150#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 20151#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 20205#L408 assume !(1 == ~c_req_up~0); 20139#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 20366#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 20367#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 20259#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 20260#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 20217#L439-1 assume !(0 == ~e_f~0); 20079#L444-1 assume !(0 == ~e_g~0); 20080#L449-1 assume !(0 == ~e_e~0); 20243#L454-1 assume !(0 == ~e_c~0); 20244#L459-1 assume !(0 == ~e_wl~0); 20152#L464-1 assume !(1 == ~wl_pc~0); 20153#$Ultimate##44 assume !(2 == ~wl_pc~0); 20446#L477 assume !(1 == ~c1_pc~0); 20405#L487 assume !(1 == ~c2_pc~0); 20401#L496 assume !(1 == ~wb_pc~0); 20398#L505 assume !(1 == ~e_c~0); 20396#L514-1 assume !(1 == ~e_e~0); 20393#L519-1 assume !(1 == ~e_f~0); 20391#L524-1 assume !(1 == ~e_g~0); 20373#L529-1 assume !(1 == ~e_c~0); 20374#L534-1 assume !(1 == ~e_wl~0); 21328#L676-1 assume !false; 21011#L546 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; 20124#L381 [2024-10-31 22:14:47,454 INFO L747 eck$LassoCheckResult]: Loop: 20124#L381 assume !false; 20198#L299 assume 0 == ~wl_st~0; 20155#L312-1 assume 0 == ~wl_st~0;havoc eval_#t~nondet4#1;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 20156#L325 assume !(0 != eval_~tmp~0#1); 20271#L321 assume !(0 == ~c1_st~0); 20117#L336 assume !(0 == ~c2_st~0); 20175#L351 assume !(0 == ~wb_st~0); 20086#L366 assume !(0 == ~r_st~0); 20124#L381 [2024-10-31 22:14:47,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:47,455 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 1 times [2024-10-31 22:14:47,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:47,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904341084] [2024-10-31 22:14:47,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:47,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:47,463 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:14:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:47,473 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:14:47,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:47,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1284632440, now seen corresponding path program 3 times [2024-10-31 22:14:47,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:47,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924177739] [2024-10-31 22:14:47,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:47,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:47,477 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:14:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:47,480 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:14:47,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:47,480 INFO L85 PathProgramCache]: Analyzing trace with hash 365677936, now seen corresponding path program 1 times [2024-10-31 22:14:47,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:47,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466279909] [2024-10-31 22:14:47,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:47,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:47,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:14:47,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:47,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466279909] [2024-10-31 22:14:47,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466279909] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:47,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:47,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:14:47,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842112929] [2024-10-31 22:14:47,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:47,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:47,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:14:47,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:14:47,544 INFO L87 Difference]: Start difference. First operand 1941 states and 3274 transitions. cyclomatic complexity: 1340 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) [2024-10-31 22:14:47,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:14:47,585 INFO L93 Difference]: Finished difference Result 3072 states and 5123 transitions. [2024-10-31 22:14:47,586 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3072 states and 5123 transitions. [2024-10-31 22:14:47,602 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1134 [2024-10-31 22:14:47,617 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3072 states to 3072 states and 5123 transitions. [2024-10-31 22:14:47,617 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1394 [2024-10-31 22:14:47,618 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1394 [2024-10-31 22:14:47,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3072 states and 5123 transitions. [2024-10-31 22:14:47,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:14:47,619 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3072 states and 5123 transitions. [2024-10-31 22:14:47,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3072 states and 5123 transitions. [2024-10-31 22:14:47,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3072 to 3072. [2024-10-31 22:14:47,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3072 states, 3072 states have (on average 1.6676432291666667) internal successors, (5123), 3071 states have internal predecessors, (5123), 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) [2024-10-31 22:14:47,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3072 states to 3072 states and 5123 transitions. [2024-10-31 22:14:47,678 INFO L240 hiAutomatonCegarLoop]: Abstraction has 3072 states and 5123 transitions. [2024-10-31 22:14:47,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:14:47,679 INFO L425 stractBuchiCegarLoop]: Abstraction has 3072 states and 5123 transitions. [2024-10-31 22:14:47,679 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-10-31 22:14:47,679 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3072 states and 5123 transitions. [2024-10-31 22:14:47,691 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1134 [2024-10-31 22:14:47,691 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:14:47,691 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:14:47,692 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:47,692 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:47,692 INFO L745 eck$LassoCheckResult]: Stem: 25174#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 25175#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 25227#L408 assume !(1 == ~c_req_up~0); 25161#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 25376#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 25377#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 25282#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 25283#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 25239#L439-1 assume !(0 == ~e_f~0); 25240#L444-1 assume !(0 == ~e_g~0); 25447#L449-1 assume !(0 == ~e_e~0); 25440#L454-1 assume !(0 == ~e_c~0); 25439#L459-1 assume !(0 == ~e_wl~0); 25438#L464-1 assume !(1 == ~wl_pc~0); 25428#$Ultimate##44 assume !(2 == ~wl_pc~0); 25420#L477 assume !(1 == ~c1_pc~0); 25412#L487 assume !(1 == ~c2_pc~0); 25405#L496 assume !(1 == ~wb_pc~0); 25401#L505 assume !(1 == ~e_c~0); 25398#L514-1 assume !(1 == ~e_e~0); 25394#L519-1 assume !(1 == ~e_f~0); 25392#L524-1 assume !(1 == ~e_g~0); 25382#L529-1 assume !(1 == ~e_c~0); 25383#L534-1 assume !(1 == ~e_wl~0); 27458#L676-1 assume !false; 27459#L546 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; 25696#L381 [2024-10-31 22:14:47,693 INFO L747 eck$LassoCheckResult]: Loop: 25696#L381 assume !false; 27253#L299 assume 0 == ~wl_st~0; 27225#L312-1 assume 0 == ~wl_st~0;havoc eval_#t~nondet4#1;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 27222#L325 assume !(0 != eval_~tmp~0#1); 27221#L321 assume 0 == ~c1_st~0;havoc eval_#t~nondet5#1;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 27204#L340 assume !(0 != eval_~tmp___0~0#1); 27220#L336 assume !(0 == ~c2_st~0); 27320#L351 assume !(0 == ~wb_st~0); 27295#L366 assume !(0 == ~r_st~0); 25696#L381 [2024-10-31 22:14:47,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:47,693 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 2 times [2024-10-31 22:14:47,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:47,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034417443] [2024-10-31 22:14:47,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:47,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:47,701 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:14:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:47,709 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:14:47,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:47,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1117173442, now seen corresponding path program 1 times [2024-10-31 22:14:47,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:47,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132676683] [2024-10-31 22:14:47,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:47,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:47,714 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:14:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:47,717 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:14:47,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:47,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1600612406, now seen corresponding path program 1 times [2024-10-31 22:14:47,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:47,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762707323] [2024-10-31 22:14:47,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:47,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:47,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:14:47,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:47,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762707323] [2024-10-31 22:14:47,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762707323] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:47,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:47,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:14:47,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854917988] [2024-10-31 22:14:47,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:47,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:47,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:14:47,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:14:47,784 INFO L87 Difference]: Start difference. First operand 3072 states and 5123 transitions. cyclomatic complexity: 2058 Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:14:47,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:14:47,833 INFO L93 Difference]: Finished difference Result 4987 states and 8221 transitions. [2024-10-31 22:14:47,833 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4987 states and 8221 transitions. [2024-10-31 22:14:47,860 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1784 [2024-10-31 22:14:47,883 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4987 states to 4987 states and 8221 transitions. [2024-10-31 22:14:47,883 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2289 [2024-10-31 22:14:47,886 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2289 [2024-10-31 22:14:47,886 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4987 states and 8221 transitions. [2024-10-31 22:14:47,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:14:47,887 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4987 states and 8221 transitions. [2024-10-31 22:14:47,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4987 states and 8221 transitions. [2024-10-31 22:14:47,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4987 to 4987. [2024-10-31 22:14:48,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4987 states, 4987 states have (on average 1.648486063765791) internal successors, (8221), 4986 states have internal predecessors, (8221), 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) [2024-10-31 22:14:48,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4987 states to 4987 states and 8221 transitions. [2024-10-31 22:14:48,015 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4987 states and 8221 transitions. [2024-10-31 22:14:48,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:14:48,016 INFO L425 stractBuchiCegarLoop]: Abstraction has 4987 states and 8221 transitions. [2024-10-31 22:14:48,016 INFO L332 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2024-10-31 22:14:48,016 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4987 states and 8221 transitions. [2024-10-31 22:14:48,034 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1784 [2024-10-31 22:14:48,034 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:14:48,034 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:14:48,035 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:48,035 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:48,035 INFO L745 eck$LassoCheckResult]: Stem: 33239#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 33240#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 33294#L408 assume !(1 == ~c_req_up~0); 33226#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 33436#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 33434#L424-1 assume !(1 == ~c2_i~0);~c2_st~0 := 2; 33435#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 36847#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 36846#L439-1 assume !(0 == ~e_f~0); 36845#L444-1 assume !(0 == ~e_g~0); 36844#L449-1 assume !(0 == ~e_e~0); 36842#L454-1 assume !(0 == ~e_c~0); 36841#L459-1 assume !(0 == ~e_wl~0); 36840#L464-1 assume !(1 == ~wl_pc~0); 36838#$Ultimate##44 assume !(2 == ~wl_pc~0); 36836#L477 assume !(1 == ~c1_pc~0); 36829#L487 assume !(1 == ~c2_pc~0); 36826#L496 assume !(1 == ~wb_pc~0); 36823#L505 assume !(1 == ~e_c~0); 36822#L514-1 assume !(1 == ~e_e~0); 36819#L519-1 assume !(1 == ~e_f~0); 36814#L524-1 assume !(1 == ~e_g~0); 36813#L529-1 assume !(1 == ~e_c~0); 36812#L534-1 assume !(1 == ~e_wl~0); 36811#L676-1 assume !false; 36768#L546 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; 33715#L381 [2024-10-31 22:14:48,035 INFO L747 eck$LassoCheckResult]: Loop: 33715#L381 assume !false; 37859#L299 assume 0 == ~wl_st~0; 35885#L312-1 assume 0 == ~wl_st~0;havoc eval_#t~nondet4#1;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 35883#L325 assume !(0 != eval_~tmp~0#1); 35884#L321 assume 0 == ~c1_st~0;havoc eval_#t~nondet5#1;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 37085#L340 assume !(0 != eval_~tmp___0~0#1); 37164#L336 assume !(0 == ~c2_st~0); 37879#L351 assume !(0 == ~wb_st~0); 37863#L366 assume !(0 == ~r_st~0); 33715#L381 [2024-10-31 22:14:48,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:48,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1246052603, now seen corresponding path program 1 times [2024-10-31 22:14:48,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:48,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514853961] [2024-10-31 22:14:48,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:48,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:48,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:14:48,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:48,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514853961] [2024-10-31 22:14:48,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514853961] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:48,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:48,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:14:48,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302534928] [2024-10-31 22:14:48,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:48,066 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:14:48,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:48,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1117173442, now seen corresponding path program 2 times [2024-10-31 22:14:48,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:48,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682794797] [2024-10-31 22:14:48,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:48,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:48,070 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:14:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:48,073 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:14:48,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:48,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:14:48,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:14:48,108 INFO L87 Difference]: Start difference. First operand 4987 states and 8221 transitions. cyclomatic complexity: 3241 Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:14:48,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:14:48,133 INFO L93 Difference]: Finished difference Result 4887 states and 8039 transitions. [2024-10-31 22:14:48,133 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4887 states and 8039 transitions. [2024-10-31 22:14:48,155 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1784 [2024-10-31 22:14:48,196 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4887 states to 4887 states and 8039 transitions. [2024-10-31 22:14:48,196 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2190 [2024-10-31 22:14:48,199 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2190 [2024-10-31 22:14:48,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4887 states and 8039 transitions. [2024-10-31 22:14:48,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:14:48,201 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4887 states and 8039 transitions. [2024-10-31 22:14:48,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4887 states and 8039 transitions. [2024-10-31 22:14:48,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4887 to 4887. [2024-10-31 22:14:48,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4887 states, 4887 states have (on average 1.644976468180888) internal successors, (8039), 4886 states have internal predecessors, (8039), 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) [2024-10-31 22:14:48,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4887 states to 4887 states and 8039 transitions. [2024-10-31 22:14:48,388 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4887 states and 8039 transitions. [2024-10-31 22:14:48,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:14:48,390 INFO L425 stractBuchiCegarLoop]: Abstraction has 4887 states and 8039 transitions. [2024-10-31 22:14:48,390 INFO L332 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2024-10-31 22:14:48,391 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4887 states and 8039 transitions. [2024-10-31 22:14:48,410 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1784 [2024-10-31 22:14:48,410 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:14:48,410 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:14:48,411 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:48,411 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:48,411 INFO L745 eck$LassoCheckResult]: Stem: 43120#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 43121#L-1 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; 43175#L408 assume !(1 == ~c_req_up~0); 43108#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 43332#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 43333#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 43235#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 43236#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 43187#L439-1 assume !(0 == ~e_f~0); 43047#L444-1 assume !(0 == ~e_g~0); 43048#L449-1 assume !(0 == ~e_e~0); 43216#L454-1 assume !(0 == ~e_c~0); 43217#L459-1 assume !(0 == ~e_wl~0); 43122#L464-1 assume !(1 == ~wl_pc~0); 43123#$Ultimate##44 assume !(2 == ~wl_pc~0); 43118#L477 assume !(1 == ~c1_pc~0); 43104#L487 assume !(1 == ~c2_pc~0); 43106#L496 assume !(1 == ~wb_pc~0); 43141#L505 assume !(1 == ~e_c~0); 43142#L514-1 assume !(1 == ~e_e~0); 43385#L519-1 assume !(1 == ~e_f~0); 43384#L524-1 assume !(1 == ~e_g~0); 43343#L529-1 assume !(1 == ~e_c~0); 43344#L534-1 assume !(1 == ~e_wl~0); 44771#L676-1 assume !false; 44038#L546 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 44039#L381 [2024-10-31 22:14:48,412 INFO L747 eck$LassoCheckResult]: Loop: 44039#L381 assume !false; 43165#L299 assume 0 == ~wl_st~0; 43166#L312-1 assume 0 == ~wl_st~0;havoc eval_#t~nondet4#1;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 45980#L325 assume !(0 != eval_~tmp~0#1); 43242#L321 assume 0 == ~c1_st~0;havoc eval_#t~nondet5#1;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 43243#L340 assume !(0 != eval_~tmp___0~0#1); 43301#L336 assume 0 == ~c2_st~0;havoc eval_#t~nondet6#1;eval_~tmp___1~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1; 47568#L355 assume !(0 != eval_~tmp___1~0#1); 47628#L351 assume !(0 == ~wb_st~0); 47692#L366 assume !(0 == ~r_st~0); 44039#L381 [2024-10-31 22:14:48,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:48,412 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 3 times [2024-10-31 22:14:48,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:48,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675161343] [2024-10-31 22:14:48,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:48,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:48,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:48,425 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:14:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:48,440 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:14:48,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:48,441 INFO L85 PathProgramCache]: Analyzing trace with hash 270987588, now seen corresponding path program 1 times [2024-10-31 22:14:48,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:48,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527559456] [2024-10-31 22:14:48,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:48,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:48,449 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:14:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:48,453 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:14:48,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:48,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1918972220, now seen corresponding path program 1 times [2024-10-31 22:14:48,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:48,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252358792] [2024-10-31 22:14:48,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:48,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:48,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:14:48,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:48,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252358792] [2024-10-31 22:14:48,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252358792] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:48,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:48,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:14:48,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062733407] [2024-10-31 22:14:48,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:48,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:48,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:14:48,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:14:48,541 INFO L87 Difference]: Start difference. First operand 4887 states and 8039 transitions. cyclomatic complexity: 3159 Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-10-31 22:14:48,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:14:48,611 INFO L93 Difference]: Finished difference Result 8309 states and 13515 transitions. [2024-10-31 22:14:48,611 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8309 states and 13515 transitions. [2024-10-31 22:14:48,653 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3066 [2024-10-31 22:14:48,707 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8309 states to 8309 states and 13515 transitions. [2024-10-31 22:14:48,707 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3674 [2024-10-31 22:14:48,715 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3674 [2024-10-31 22:14:48,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8309 states and 13515 transitions. [2024-10-31 22:14:48,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:14:48,722 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8309 states and 13515 transitions. [2024-10-31 22:14:48,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8309 states and 13515 transitions. [2024-10-31 22:14:48,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8309 to 8309. [2024-10-31 22:14:49,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8309 states, 8309 states have (on average 1.6265495246118666) internal successors, (13515), 8308 states have internal predecessors, (13515), 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) [2024-10-31 22:14:49,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8309 states to 8309 states and 13515 transitions. [2024-10-31 22:14:49,038 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8309 states and 13515 transitions. [2024-10-31 22:14:49,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:14:49,098 INFO L425 stractBuchiCegarLoop]: Abstraction has 8309 states and 13515 transitions. [2024-10-31 22:14:49,098 INFO L332 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2024-10-31 22:14:49,098 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8309 states and 13515 transitions. [2024-10-31 22:14:49,126 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3066 [2024-10-31 22:14:49,126 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:14:49,127 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:14:49,128 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:49,128 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:49,128 INFO L745 eck$LassoCheckResult]: Stem: 56322#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 56323#L-1 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; 56379#L408 assume !(1 == ~c_req_up~0); 56313#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 56548#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 56549#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 56440#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 56441#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 56391#L439-1 assume !(0 == ~e_f~0); 56251#L444-1 assume !(0 == ~e_g~0); 56252#L449-1 assume !(0 == ~e_e~0); 56421#L454-1 assume !(0 == ~e_c~0); 56422#L459-1 assume !(0 == ~e_wl~0); 56324#L464-1 assume !(1 == ~wl_pc~0); 56325#$Ultimate##44 assume !(2 == ~wl_pc~0); 56320#L477 assume !(1 == ~c1_pc~0); 56309#L487 assume !(1 == ~c2_pc~0); 56311#L496 assume !(1 == ~wb_pc~0); 56343#L505 assume !(1 == ~e_c~0); 56344#L514-1 assume !(1 == ~e_e~0); 56603#L519-1 assume !(1 == ~e_f~0); 56602#L524-1 assume !(1 == ~e_g~0); 56560#L529-1 assume !(1 == ~e_c~0); 56245#L534-1 assume !(1 == ~e_wl~0); 56246#L676-1 assume !false; 61932#L546 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 58760#L381 [2024-10-31 22:14:49,129 INFO L747 eck$LassoCheckResult]: Loop: 58760#L381 assume !false; 64390#L299 assume 0 == ~wl_st~0; 63024#L312-1 assume 0 == ~wl_st~0;havoc eval_#t~nondet4#1;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 63021#L325 assume !(0 != eval_~tmp~0#1); 63022#L321 assume 0 == ~c1_st~0;havoc eval_#t~nondet5#1;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 63721#L340 assume !(0 != eval_~tmp___0~0#1); 63717#L336 assume 0 == ~c2_st~0;havoc eval_#t~nondet6#1;eval_~tmp___1~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1; 63681#L355 assume !(0 != eval_~tmp___1~0#1); 63710#L351 assume 0 == ~wb_st~0;havoc eval_#t~nondet7#1;eval_~tmp___2~0#1 := eval_#t~nondet7#1;havoc eval_#t~nondet7#1; 63807#L370 assume !(0 != eval_~tmp___2~0#1); 63922#L366 assume !(0 == ~r_st~0); 58760#L381 [2024-10-31 22:14:49,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:49,130 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 4 times [2024-10-31 22:14:49,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:49,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090761273] [2024-10-31 22:14:49,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:49,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:49,140 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:14:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:49,148 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:14:49,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:49,148 INFO L85 PathProgramCache]: Analyzing trace with hash -189354762, now seen corresponding path program 1 times [2024-10-31 22:14:49,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:49,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701564407] [2024-10-31 22:14:49,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:49,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:49,152 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:14:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:49,155 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:14:49,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:49,156 INFO L85 PathProgramCache]: Analyzing trace with hash -641438722, now seen corresponding path program 1 times [2024-10-31 22:14:49,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:49,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324855840] [2024-10-31 22:14:49,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:49,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:49,164 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:14:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:49,173 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:14:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:50,628 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:14:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:50,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 31.10 10:14:50 BoogieIcfgContainer [2024-10-31 22:14:50,790 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-31 22:14:50,791 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:14:50,791 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:14:50,791 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:14:50,791 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:14:39" (3/4) ... [2024-10-31 22:14:50,793 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-31 22:14:50,882 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:14:50,882 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:14:50,883 INFO L158 Benchmark]: Toolchain (without parser) took 12853.01ms. Allocated memory was 161.5MB in the beginning and 375.4MB in the end (delta: 213.9MB). Free memory was 122.4MB in the beginning and 290.5MB in the end (delta: -168.1MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2024-10-31 22:14:50,883 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 111.1MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:14:50,883 INFO L158 Benchmark]: CACSL2BoogieTranslator took 406.88ms. Allocated memory is still 161.5MB. Free memory was 121.8MB in the beginning and 105.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-31 22:14:50,884 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.96ms. Allocated memory is still 161.5MB. Free memory was 105.1MB in the beginning and 103.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:14:50,884 INFO L158 Benchmark]: Boogie Preprocessor took 66.07ms. Allocated memory is still 161.5MB. Free memory was 103.0MB in the beginning and 99.7MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:14:50,884 INFO L158 Benchmark]: RCFGBuilder took 929.29ms. Allocated memory is still 161.5MB. Free memory was 99.7MB in the beginning and 73.0MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-31 22:14:50,885 INFO L158 Benchmark]: BuchiAutomizer took 11291.87ms. Allocated memory was 161.5MB in the beginning and 375.4MB in the end (delta: 213.9MB). Free memory was 73.0MB in the beginning and 297.1MB in the end (delta: -224.1MB). Peak memory consumption was 92.5MB. Max. memory is 16.1GB. [2024-10-31 22:14:50,885 INFO L158 Benchmark]: Witness Printer took 91.76ms. Allocated memory is still 375.4MB. Free memory was 296.8MB in the beginning and 290.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-31 22:14:50,887 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 111.1MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 406.88ms. Allocated memory is still 161.5MB. Free memory was 121.8MB in the beginning and 105.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.96ms. Allocated memory is still 161.5MB. Free memory was 105.1MB in the beginning and 103.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.07ms. Allocated memory is still 161.5MB. Free memory was 103.0MB in the beginning and 99.7MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 929.29ms. Allocated memory is still 161.5MB. Free memory was 99.7MB in the beginning and 73.0MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 11291.87ms. Allocated memory was 161.5MB in the beginning and 375.4MB in the end (delta: 213.9MB). Free memory was 73.0MB in the beginning and 297.1MB in the end (delta: -224.1MB). Peak memory consumption was 92.5MB. Max. memory is 16.1GB. * Witness Printer took 91.76ms. Allocated memory is still 375.4MB. Free memory was 296.8MB in the beginning and 290.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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 16 terminating modules (13 trivial, 3 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function (((long long) -1 * e_c) + 1) and consists of 3 locations. One deterministic module has affine ranking function (((long long) -1 * e_c) + 1) and consists of 3 locations. One deterministic module has affine ranking function (((long long) -1 * e_f) + 1) and consists of 3 locations. 13 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 8309 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.0s and 14 iterations. TraceHistogramMax:1. Analysis of lassos took 7.3s. Construction of modules took 0.4s. Büchi inclusion checks took 2.9s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 15. Automata minimization 1.0s AutomataMinimizationTime, 16 MinimizatonAttempts, 1671 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.4s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3538 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3535 mSDsluCounter, 6482 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2390 mSDsCounter, 98 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 280 IncrementalHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 98 mSolverCounterUnsat, 4092 mSDtfsCounter, 280 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc3 concLT0 SILN3 SILU0 SILI3 SILT3 lasso0 LassoPreprocessingBenchmarks: Lassos: inital76 mio100 ax100 hnf100 lsp12 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq185 hnf96 smp100 dnf147 smp91 tf109 neg100 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 298]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L28] int c ; [L29] int c_t ; [L30] int c_req_up ; [L31] int p_in ; [L32] int p_out ; [L33] int wl_st ; [L34] int c1_st ; [L35] int c2_st ; [L36] int wb_st ; [L37] int r_st ; [L38] int wl_i ; [L39] int c1_i ; [L40] int c2_i ; [L41] int wb_i ; [L42] int r_i ; [L43] int wl_pc ; [L44] int c1_pc ; [L45] int c2_pc ; [L46] int wb_pc ; [L47] int e_e ; [L48] int e_f ; [L49] int e_g ; [L50] int e_c ; [L51] int e_p_in ; [L52] int e_wl ; [L58] int d ; [L59] int data ; [L60] int processed ; [L61] static int t_b ; VAL [c1_i=0, c1_pc=0, c1_st=0, c2_i=0, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=0, e_e=0, e_f=0, e_g=0, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=0, wb_pc=0, wb_st=0, wl_i=0, wl_pc=0, wl_st=0] [L693] int __retres1 ; [L697] e_wl = 2 [L698] e_c = e_wl [L699] e_g = e_c [L700] e_f = e_g [L701] e_e = e_f [L702] wl_pc = 0 [L703] c1_pc = 0 [L704] c2_pc = 0 [L705] wb_pc = 0 [L706] wb_i = 1 [L707] c2_i = wb_i [L708] c1_i = c2_i [L709] wl_i = c1_i [L710] r_i = 0 [L711] c_req_up = 0 [L712] d = 0 [L713] c = 0 [L714] CALL start_simulation() [L404] int kernel_st ; [L407] kernel_st = 0 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L408] COND FALSE !((int )c_req_up == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L419] COND TRUE (int )wl_i == 1 [L420] wl_st = 0 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L424] COND TRUE (int )c1_i == 1 [L425] c1_st = 0 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L429] COND TRUE (int )c2_i == 1 [L430] c2_st = 0 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L434] COND TRUE (int )wb_i == 1 [L435] wb_st = 0 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L439] COND FALSE !((int )r_i == 1) [L442] r_st = 2 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L444] COND FALSE !((int )e_f == 0) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L449] COND FALSE !((int )e_g == 0) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L454] COND FALSE !((int )e_e == 0) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L459] COND FALSE !((int )e_c == 0) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L464] COND FALSE !((int )e_wl == 0) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L469] COND FALSE !((int )wl_pc == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L477] COND FALSE !((int )wl_pc == 2) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L487] COND FALSE !((int )c1_pc == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L496] COND FALSE !((int )c2_pc == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L505] COND FALSE !((int )wb_pc == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L514] COND FALSE !((int )e_c == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L519] COND FALSE !((int )e_e == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L524] COND FALSE !((int )e_f == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L529] COND FALSE !((int )e_g == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L534] COND FALSE !((int )e_c == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L539] COND FALSE !((int )e_wl == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L545] COND TRUE 1 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L548] kernel_st = 1 [L549] CALL eval() [L290] int tmp ; [L291] int tmp___0 ; [L292] int tmp___1 ; [L293] int tmp___2 ; [L294] int tmp___3 ; VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] Loop: [L298] COND TRUE 1 [L300] COND TRUE (int )wl_st == 0 [L321] COND TRUE (int )wl_st == 0 [L323] tmp = __VERIFIER_nondet_int() [L325] COND FALSE !(\read(tmp)) [L336] COND TRUE (int )c1_st == 0 [L338] tmp___0 = __VERIFIER_nondet_int() [L340] COND FALSE !(\read(tmp___0)) [L351] COND TRUE (int )c2_st == 0 [L353] tmp___1 = __VERIFIER_nondet_int() [L355] COND FALSE !(\read(tmp___1)) [L366] COND TRUE (int )wb_st == 0 [L368] tmp___2 = __VERIFIER_nondet_int() [L370] COND FALSE !(\read(tmp___2)) [L381] COND FALSE !((int )r_st == 0) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 298]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L28] int c ; [L29] int c_t ; [L30] int c_req_up ; [L31] int p_in ; [L32] int p_out ; [L33] int wl_st ; [L34] int c1_st ; [L35] int c2_st ; [L36] int wb_st ; [L37] int r_st ; [L38] int wl_i ; [L39] int c1_i ; [L40] int c2_i ; [L41] int wb_i ; [L42] int r_i ; [L43] int wl_pc ; [L44] int c1_pc ; [L45] int c2_pc ; [L46] int wb_pc ; [L47] int e_e ; [L48] int e_f ; [L49] int e_g ; [L50] int e_c ; [L51] int e_p_in ; [L52] int e_wl ; [L58] int d ; [L59] int data ; [L60] int processed ; [L61] static int t_b ; VAL [c1_i=0, c1_pc=0, c1_st=0, c2_i=0, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=0, e_e=0, e_f=0, e_g=0, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=0, wb_pc=0, wb_st=0, wl_i=0, wl_pc=0, wl_st=0] [L693] int __retres1 ; [L697] e_wl = 2 [L698] e_c = e_wl [L699] e_g = e_c [L700] e_f = e_g [L701] e_e = e_f [L702] wl_pc = 0 [L703] c1_pc = 0 [L704] c2_pc = 0 [L705] wb_pc = 0 [L706] wb_i = 1 [L707] c2_i = wb_i [L708] c1_i = c2_i [L709] wl_i = c1_i [L710] r_i = 0 [L711] c_req_up = 0 [L712] d = 0 [L713] c = 0 [L714] CALL start_simulation() [L404] int kernel_st ; [L407] kernel_st = 0 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L408] COND FALSE !((int )c_req_up == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L419] COND TRUE (int )wl_i == 1 [L420] wl_st = 0 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L424] COND TRUE (int )c1_i == 1 [L425] c1_st = 0 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L429] COND TRUE (int )c2_i == 1 [L430] c2_st = 0 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L434] COND TRUE (int )wb_i == 1 [L435] wb_st = 0 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L439] COND FALSE !((int )r_i == 1) [L442] r_st = 2 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L444] COND FALSE !((int )e_f == 0) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L449] COND FALSE !((int )e_g == 0) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L454] COND FALSE !((int )e_e == 0) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L459] COND FALSE !((int )e_c == 0) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L464] COND FALSE !((int )e_wl == 0) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L469] COND FALSE !((int )wl_pc == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L477] COND FALSE !((int )wl_pc == 2) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L487] COND FALSE !((int )c1_pc == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L496] COND FALSE !((int )c2_pc == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L505] COND FALSE !((int )wb_pc == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L514] COND FALSE !((int )e_c == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L519] COND FALSE !((int )e_e == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L524] COND FALSE !((int )e_f == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L529] COND FALSE !((int )e_g == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L534] COND FALSE !((int )e_c == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L539] COND FALSE !((int )e_wl == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L545] COND TRUE 1 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L548] kernel_st = 1 [L549] CALL eval() [L290] int tmp ; [L291] int tmp___0 ; [L292] int tmp___1 ; [L293] int tmp___2 ; [L294] int tmp___3 ; VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] Loop: [L298] COND TRUE 1 [L300] COND TRUE (int )wl_st == 0 [L321] COND TRUE (int )wl_st == 0 [L323] tmp = __VERIFIER_nondet_int() [L325] COND FALSE !(\read(tmp)) [L336] COND TRUE (int )c1_st == 0 [L338] tmp___0 = __VERIFIER_nondet_int() [L340] COND FALSE !(\read(tmp___0)) [L351] COND TRUE (int )c2_st == 0 [L353] tmp___1 = __VERIFIER_nondet_int() [L355] COND FALSE !(\read(tmp___1)) [L366] COND TRUE (int )wb_st == 0 [L368] tmp___2 = __VERIFIER_nondet_int() [L370] COND FALSE !(\read(tmp___2)) [L381] COND FALSE !((int )r_st == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-31 22:14:50,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c3bf5e8-a677-49ee-8611-9ad847e9179a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)