./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/systemc/toy.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme --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 0.2.4-dev-0e0057c [2023-11-26 12:00:06,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:00:06,861 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 12:00:06,868 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:00:06,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:00:06,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:00:06,908 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:00:06,908 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:00:06,909 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:00:06,914 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:00:06,916 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:00:06,916 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:00:06,917 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:00:06,919 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 12:00:06,920 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 12:00:06,920 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 12:00:06,921 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 12:00:06,921 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 12:00:06,922 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 12:00:06,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:00:06,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 12:00:06,923 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:00:06,924 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:00:06,924 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:00:06,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:00:06,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 12:00:06,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 12:00:06,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 12:00:06,927 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 12:00:06,927 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:00:06,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:00:06,929 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 12:00:06,929 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:00:06,930 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:00:06,930 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:00:06,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:00:06,931 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:00:06,931 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 12:00:06,932 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_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a8eabec1830ab654b41f6937ec2f9359cd3dd371ede66eafc352bac48edda3b [2023-11-26 12:00:07,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:00:07,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:00:07,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:00:07,318 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:00:07,319 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:00:07,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/systemc/toy.cil.c [2023-11-26 12:00:10,449 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:00:10,676 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:00:10,677 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/sv-benchmarks/c/systemc/toy.cil.c [2023-11-26 12:00:10,690 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/data/0d1da39b6/adf57cce19614251bad018c2ed7d7028/FLAG920dec270 [2023-11-26 12:00:10,705 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/data/0d1da39b6/adf57cce19614251bad018c2ed7d7028 [2023-11-26 12:00:10,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:00:10,709 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:00:10,711 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:10,711 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:00:10,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:00:10,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:10" (1/1) ... [2023-11-26 12:00:10,719 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@490c412c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:10, skipping insertion in model container [2023-11-26 12:00:10,719 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:10" (1/1) ... [2023-11-26 12:00:10,763 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:00:10,996 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:00:11,013 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:00:11,081 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:00:11,106 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:00:11,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11 WrapperNode [2023-11-26 12:00:11,107 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:11,108 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:00:11,108 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:00:11,108 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:00:11,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,138 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,174 INFO L138 Inliner]: procedures = 20, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 362 [2023-11-26 12:00:11,175 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:00:11,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:00:11,176 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:00:11,176 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:00:11,189 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,193 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,209 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]. [2023-11-26 12:00:11,210 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,217 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,240 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,243 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,245 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:00:11,250 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:00:11,251 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:00:11,251 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:00:11,264 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:11,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:11,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:11,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 12:00:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:00:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:00:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:00:11,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:00:11,489 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:00:11,492 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:00:11,972 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:00:11,986 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:00:11,986 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-26 12:00:11,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:11 BoogieIcfgContainer [2023-11-26 12:00:11,988 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:00:11,989 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 12:00:11,990 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 12:00:11,994 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 12:00:11,995 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 12:00:11,995 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 12:00:10" (1/3) ... [2023-11-26 12:00:11,996 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a7905a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 12:00:11, skipping insertion in model container [2023-11-26 12:00:11,996 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 12:00:11,997 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (2/3) ... [2023-11-26 12:00:11,997 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a7905a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 12:00:11, skipping insertion in model container [2023-11-26 12:00:11,997 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 12:00:11,998 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:11" (3/3) ... [2023-11-26 12:00:11,999 INFO L332 chiAutomizerObserver]: Analyzing ICFG toy.cil.c [2023-11-26 12:00:12,066 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 12:00:12,066 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 12:00:12,066 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 12:00:12,066 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 12:00:12,067 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 12:00:12,067 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 12:00:12,067 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 12:00:12,067 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 12:00:12,074 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) [2023-11-26 12:00:12,110 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 97 [2023-11-26 12:00:12,111 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:00:12,111 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:00:12,120 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] [2023-11-26 12:00:12,120 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] [2023-11-26 12:00:12,120 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 12:00:12,121 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) [2023-11-26 12:00:12,129 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 97 [2023-11-26 12:00:12,129 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:00:12,130 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:00:12,131 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] [2023-11-26 12:00:12,132 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] [2023-11-26 12:00:12,141 INFO L748 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 [2023-11-26 12:00:12,142 INFO L750 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 [2023-11-26 12:00:12,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:12,148 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 1 times [2023-11-26 12:00:12,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:12,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741864427] [2023-11-26 12:00:12,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:12,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:12,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:12,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:12,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741864427] [2023-11-26 12:00:12,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741864427] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:12,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:12,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:00:12,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724550838] [2023-11-26 12:00:12,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:12,472 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 12:00:12,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:12,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1307375692, now seen corresponding path program 1 times [2023-11-26 12:00:12,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:12,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087342072] [2023-11-26 12:00:12,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:12,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:12,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:12,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:12,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087342072] [2023-11-26 12:00:12,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087342072] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:12,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:12,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:00:12,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923166572] [2023-11-26 12:00:12,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:12,500 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 12:00:12,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:12,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 12:00:12,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:00:12,552 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) [2023-11-26 12:00:12,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:12,607 INFO L93 Difference]: Finished difference Result 130 states and 224 transitions. [2023-11-26 12:00:12,609 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 130 states and 224 transitions. [2023-11-26 12:00:12,614 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 94 [2023-11-26 12:00:12,624 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 130 states to 125 states and 219 transitions. [2023-11-26 12:00:12,628 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2023-11-26 12:00:12,630 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125 [2023-11-26 12:00:12,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 219 transitions. [2023-11-26 12:00:12,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:00:12,635 INFO L218 hiAutomatonCegarLoop]: Abstraction has 125 states and 219 transitions. [2023-11-26 12:00:12,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 219 transitions. [2023-11-26 12:00:12,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2023-11-26 12:00:12,684 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) [2023-11-26 12:00:12,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 219 transitions. [2023-11-26 12:00:12,686 INFO L240 hiAutomatonCegarLoop]: Abstraction has 125 states and 219 transitions. [2023-11-26 12:00:12,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 12:00:12,692 INFO L428 stractBuchiCegarLoop]: Abstraction has 125 states and 219 transitions. [2023-11-26 12:00:12,692 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 12:00:12,692 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 219 transitions. [2023-11-26 12:00:12,699 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 94 [2023-11-26 12:00:12,699 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:00:12,699 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:00:12,704 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] [2023-11-26 12:00:12,705 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] [2023-11-26 12:00:12,705 INFO L748 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 [2023-11-26 12:00:12,706 INFO L750 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 [2023-11-26 12:00:12,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:12,706 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 2 times [2023-11-26 12:00:12,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:12,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183866199] [2023-11-26 12:00:12,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:12,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:12,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:12,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:12,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183866199] [2023-11-26 12:00:12,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183866199] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:12,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:12,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:00:12,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939670618] [2023-11-26 12:00:12,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:12,820 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 12:00:12,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:12,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1329201933, now seen corresponding path program 1 times [2023-11-26 12:00:12,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:12,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180068636] [2023-11-26 12:00:12,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:12,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:12,836 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:00:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:12,870 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:00:13,323 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 12:00:13,324 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 12:00:13,324 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 12:00:13,325 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 12:00:13,325 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-26 12:00:13,325 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:13,325 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 12:00:13,326 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 12:00:13,326 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration2_Loop [2023-11-26 12:00:13,326 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 12:00:13,326 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 12:00:13,358 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,370 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,377 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,381 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,385 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,391 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,394 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,398 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,401 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,405 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,408 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,411 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,414 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,421 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,425 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,429 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,432 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,439 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,443 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,450 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,453 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,457 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,464 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,467 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,470 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,476 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,775 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 12:00:13,775 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-26 12:00:13,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:13,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:13,781 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:13,788 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 12:00:13,789 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 12:00:13,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 12:00:13,817 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 12:00:13,817 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-26 12:00:13,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:13,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:13,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:13,831 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:13,840 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 12:00:13,840 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 12:00:13,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 12:00:13,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:13,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:13,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:13,881 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:13,890 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-26 12:00:13,890 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 12:00:13,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 12:00:13,940 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-26 12:00:13,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:13,950 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 12:00:13,950 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 12:00:13,950 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 12:00:13,950 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 12:00:13,950 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 12:00:13,951 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:13,951 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 12:00:13,951 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 12:00:13,951 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration2_Loop [2023-11-26 12:00:13,951 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 12:00:13,951 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 12:00:13,954 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,958 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,965 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,968 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,985 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,988 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,992 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:13,998 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:14,002 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:14,004 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:14,008 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:14,011 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:14,034 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:14,037 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:14,043 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:14,047 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:14,051 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:14,062 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:14,066 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:14,072 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:14,085 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:14,090 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:14,093 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:14,099 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:14,102 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:14,105 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:14,396 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 12:00:14,402 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 12:00:14,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:14,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:14,405 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:14,415 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 [2023-11-26 12:00:14,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 12:00:14,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:00:14,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:00:14,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:00:14,430 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-26 12:00:14,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:00:14,433 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-26 12:00:14,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:00:14,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:00:14,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:14,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:14,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:14,456 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:14,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 12:00:14,465 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 [2023-11-26 12:00:14,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:00:14,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:00:14,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:00:14,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:00:14,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:00:14,480 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:00:14,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:00:14,490 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 12:00:14,493 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-26 12:00:14,493 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-26 12:00:14,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:14,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:14,523 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:14,535 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 12:00:14,535 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-26 12:00:14,535 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 12:00:14,536 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -1*~e_c~0 + 1 Supporting invariants [] [2023-11-26 12:00:14,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 12:00:14,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:14,551 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-26 12:00:14,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:14,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:00:14,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:14,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 12:00:14,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:14,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:14,875 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 [2023-11-26 12:00:14,876 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) [2023-11-26 12:00:15,009 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. [2023-11-26 12:00:15,010 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 [2023-11-26 12:00:15,011 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) [2023-11-26 12:00:15,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 383 transitions. [2023-11-26 12:00:15,016 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 383 transitions. Stem has 24 letters. Loop has 28 letters. [2023-11-26 12:00:15,019 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:00:15,020 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 383 transitions. Stem has 52 letters. Loop has 28 letters. [2023-11-26 12:00:15,022 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:00:15,024 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 383 transitions. Stem has 24 letters. Loop has 56 letters. [2023-11-26 12:00:15,026 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:00:15,031 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 413 states and 711 transitions. [2023-11-26 12:00:15,041 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 282 [2023-11-26 12:00:15,051 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 413 states to 413 states and 711 transitions. [2023-11-26 12:00:15,051 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 314 [2023-11-26 12:00:15,054 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 317 [2023-11-26 12:00:15,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 413 states and 711 transitions. [2023-11-26 12:00:15,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:00:15,056 INFO L218 hiAutomatonCegarLoop]: Abstraction has 413 states and 711 transitions. [2023-11-26 12:00:15,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states and 711 transitions. [2023-11-26 12:00:15,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 316. [2023-11-26 12:00:15,099 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) [2023-11-26 12:00:15,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 546 transitions. [2023-11-26 12:00:15,101 INFO L240 hiAutomatonCegarLoop]: Abstraction has 316 states and 546 transitions. [2023-11-26 12:00:15,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:15,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:00:15,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:00:15,102 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) [2023-11-26 12:00:15,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:15,118 INFO L93 Difference]: Finished difference Result 316 states and 545 transitions. [2023-11-26 12:00:15,119 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 316 states and 545 transitions. [2023-11-26 12:00:15,122 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 188 [2023-11-26 12:00:15,126 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 316 states to 316 states and 545 transitions. [2023-11-26 12:00:15,126 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 220 [2023-11-26 12:00:15,127 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 220 [2023-11-26 12:00:15,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 316 states and 545 transitions. [2023-11-26 12:00:15,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:00:15,127 INFO L218 hiAutomatonCegarLoop]: Abstraction has 316 states and 545 transitions. [2023-11-26 12:00:15,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states and 545 transitions. [2023-11-26 12:00:15,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2023-11-26 12:00:15,137 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) [2023-11-26 12:00:15,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 545 transitions. [2023-11-26 12:00:15,139 INFO L240 hiAutomatonCegarLoop]: Abstraction has 316 states and 545 transitions. [2023-11-26 12:00:15,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:00:15,140 INFO L428 stractBuchiCegarLoop]: Abstraction has 316 states and 545 transitions. [2023-11-26 12:00:15,141 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 12:00:15,141 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 316 states and 545 transitions. [2023-11-26 12:00:15,143 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 188 [2023-11-26 12:00:15,144 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:00:15,144 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:00:15,145 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] [2023-11-26 12:00:15,145 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] [2023-11-26 12:00:15,146 INFO L748 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#$Ultimate##44 assume !(2 == ~wl_pc~0); 1694#L477 assume !(1 == ~c1_pc~0); 1675#L487 assume !(1 == ~c2_pc~0); 1677#L496 assume !(1 == ~wb_pc~0); 1719#L505 assume !(1 == ~e_c~0); 1720#L514-1 assume !(1 == ~e_e~0); 1741#L519-1 assume !(1 == ~e_f~0); 1752#L524-1 assume !(1 == ~e_g~0); 1753#L529-1 assume !(1 == ~e_c~0); 1617#L534-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1618#L676-1 [2023-11-26 12:00:15,146 INFO L750 eck$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 [2023-11-26 12:00:15,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:15,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1738779217, now seen corresponding path program 1 times [2023-11-26 12:00:15,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:15,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653076607] [2023-11-26 12:00:15,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:15,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:15,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:15,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:15,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653076607] [2023-11-26 12:00:15,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653076607] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:15,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:15,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:00:15,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048026139] [2023-11-26 12:00:15,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:15,291 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 12:00:15,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:15,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1329201933, now seen corresponding path program 2 times [2023-11-26 12:00:15,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:15,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861296136] [2023-11-26 12:00:15,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:15,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:15,301 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:00:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:15,314 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:00:15,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-26 12:00:15,608 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 12:00:15,608 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 12:00:15,608 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 12:00:15,608 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 12:00:15,609 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-26 12:00:15,609 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:15,609 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 12:00:15,609 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 12:00:15,609 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration3_Loop [2023-11-26 12:00:15,609 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 12:00:15,609 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 12:00:15,617 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:15,621 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:15,623 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:15,625 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:15,629 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:15,633 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:15,638 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:15,641 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:15,648 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:15,653 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:15,656 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:15,662 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:15,666 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:15,669 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:15,674 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:15,677 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:15,679 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:15,681 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:15,684 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:15,686 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:15,689 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:15,694 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:15,697 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:15,700 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:15,703 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:15,708 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:15,955 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 12:00:15,955 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-26 12:00:15,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:15,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:15,957 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:15,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 12:00:15,965 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 12:00:15,965 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 12:00:15,992 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 12:00:15,992 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-26 12:00:16,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:16,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:16,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:16,007 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:16,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 12:00:16,017 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 12:00:16,017 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 12:00:16,039 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 12:00:16,039 INFO L440 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: [] [2023-11-26 12:00:16,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:16,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:16,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:16,054 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:16,065 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 12:00:16,065 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 12:00:16,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 12:00:16,092 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 12:00:16,092 INFO L440 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: [] [2023-11-26 12:00:16,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:16,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:16,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:16,098 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:16,116 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 12:00:16,116 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 12:00:16,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 12:00:16,156 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 12:00:16,157 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Honda state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-26 12:00:16,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:16,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:16,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:16,164 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:16,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 12:00:16,173 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 12:00:16,173 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 12:00:16,197 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 12:00:16,197 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-26 12:00:16,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:16,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:16,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:16,209 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:16,221 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 12:00:16,221 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 12:00:16,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 12:00:16,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:16,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:16,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:16,242 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:16,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-26 12:00:16,247 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-26 12:00:16,247 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 12:00:16,271 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-26 12:00:16,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-26 12:00:16,281 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 12:00:16,281 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 12:00:16,281 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 12:00:16,281 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 12:00:16,281 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 12:00:16,281 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:16,281 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 12:00:16,281 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 12:00:16,281 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration3_Loop [2023-11-26 12:00:16,281 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 12:00:16,281 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 12:00:16,284 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:16,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:16,302 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:16,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:16,308 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:16,311 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:16,316 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:16,320 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:16,327 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:16,332 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:16,335 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:16,342 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:16,344 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:16,347 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:16,350 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:16,357 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:16,360 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:16,362 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:16,366 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:16,370 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:16,376 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:16,379 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:16,382 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:16,385 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:16,389 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:16,394 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:16,640 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 12:00:16,640 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 12:00:16,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:16,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:16,649 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:16,657 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 [2023-11-26 12:00:16,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:00:16,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:00:16,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:00:16,670 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-26 12:00:16,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:00:16,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-26 12:00:16,672 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-26 12:00:16,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:00:16,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:00:16,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:16,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:16,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:16,692 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:16,701 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 [2023-11-26 12:00:16,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-26 12:00:16,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:00:16,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:00:16,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:00:16,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:00:16,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:00:16,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:00:16,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:00:16,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:00:16,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:16,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:16,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:16,736 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:16,745 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 [2023-11-26 12:00:16,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:00:16,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:00:16,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:00:16,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:00:16,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:00:16,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-26 12:00:16,760 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:00:16,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:00:16,769 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:00:16,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:16,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:16,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:16,780 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:16,788 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 [2023-11-26 12:00:16,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:00:16,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:00:16,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:00:16,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:00:16,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:00:16,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:00:16,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:00:16,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-26 12:00:16,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:00:16,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:16,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:16,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:16,830 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:16,834 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 [2023-11-26 12:00:16,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-26 12:00:16,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:00:16,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:00:16,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:00:16,848 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-26 12:00:16,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:00:16,849 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-26 12:00:16,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:00:16,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:00:16,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:16,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:16,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:16,869 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:16,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 12:00:16,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:00:16,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:00:16,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:00:16,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:00:16,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:00:16,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-26 12:00:16,892 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:00:16,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:00:16,907 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 12:00:16,921 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-26 12:00:16,921 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-26 12:00:16,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:16,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:16,923 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:16,931 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 12:00:16,931 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-26 12:00:16,932 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 12:00:16,932 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -1*~e_c~0 + 1 Supporting invariants [] [2023-11-26 12:00:16,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-26 12:00:16,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:16,942 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-26 12:00:16,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:17,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:00:17,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:17,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 12:00:17,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:17,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:17,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:17,187 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 [2023-11-26 12:00:17,187 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) [2023-11-26 12:00:17,262 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. [2023-11-26 12:00:17,263 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 [2023-11-26 12:00:17,265 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) [2023-11-26 12:00:17,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 382 transitions. [2023-11-26 12:00:17,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 382 transitions. Stem has 24 letters. Loop has 28 letters. [2023-11-26 12:00:17,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:00:17,267 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 382 transitions. Stem has 52 letters. Loop has 28 letters. [2023-11-26 12:00:17,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:00:17,267 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 382 transitions. Stem has 24 letters. Loop has 56 letters. [2023-11-26 12:00:17,269 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:00:17,269 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 604 states and 1037 transitions. [2023-11-26 12:00:17,278 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 376 [2023-11-26 12:00:17,285 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 604 states to 604 states and 1037 transitions. [2023-11-26 12:00:17,285 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 409 [2023-11-26 12:00:17,286 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 412 [2023-11-26 12:00:17,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 604 states and 1037 transitions. [2023-11-26 12:00:17,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:00:17,287 INFO L218 hiAutomatonCegarLoop]: Abstraction has 604 states and 1037 transitions. [2023-11-26 12:00:17,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states and 1037 transitions. [2023-11-26 12:00:17,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 316. [2023-11-26 12:00:17,301 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) [2023-11-26 12:00:17,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 545 transitions. [2023-11-26 12:00:17,304 INFO L240 hiAutomatonCegarLoop]: Abstraction has 316 states and 545 transitions. [2023-11-26 12:00:17,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:17,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:00:17,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:00:17,307 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) [2023-11-26 12:00:17,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:17,323 INFO L93 Difference]: Finished difference Result 316 states and 544 transitions. [2023-11-26 12:00:17,323 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 316 states and 544 transitions. [2023-11-26 12:00:17,327 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 188 [2023-11-26 12:00:17,331 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 316 states to 316 states and 544 transitions. [2023-11-26 12:00:17,331 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 220 [2023-11-26 12:00:17,332 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 220 [2023-11-26 12:00:17,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 316 states and 544 transitions. [2023-11-26 12:00:17,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:00:17,337 INFO L218 hiAutomatonCegarLoop]: Abstraction has 316 states and 544 transitions. [2023-11-26 12:00:17,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states and 544 transitions. [2023-11-26 12:00:17,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2023-11-26 12:00:17,345 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) [2023-11-26 12:00:17,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 544 transitions. [2023-11-26 12:00:17,347 INFO L240 hiAutomatonCegarLoop]: Abstraction has 316 states and 544 transitions. [2023-11-26 12:00:17,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:00:17,350 INFO L428 stractBuchiCegarLoop]: Abstraction has 316 states and 544 transitions. [2023-11-26 12:00:17,350 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-26 12:00:17,350 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 316 states and 544 transitions. [2023-11-26 12:00:17,353 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 188 [2023-11-26 12:00:17,353 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:00:17,353 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:00:17,358 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] [2023-11-26 12:00:17,358 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] [2023-11-26 12:00:17,358 INFO L748 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 [2023-11-26 12:00:17,358 INFO L750 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 [2023-11-26 12:00:17,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:17,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1939846590, now seen corresponding path program 1 times [2023-11-26 12:00:17,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:17,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259290906] [2023-11-26 12:00:17,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:17,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:17,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:17,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:17,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259290906] [2023-11-26 12:00:17,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259290906] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:17,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:17,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:00:17,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158932270] [2023-11-26 12:00:17,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:17,442 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 12:00:17,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:17,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1635242511, now seen corresponding path program 1 times [2023-11-26 12:00:17,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:17,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289695286] [2023-11-26 12:00:17,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:17,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:17,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:17,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:17,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289695286] [2023-11-26 12:00:17,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289695286] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:17,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:17,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:00:17,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042107062] [2023-11-26 12:00:17,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:17,482 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 12:00:17,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:17,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:00:17,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:00:17,483 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) [2023-11-26 12:00:17,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:17,492 INFO L93 Difference]: Finished difference Result 316 states and 543 transitions. [2023-11-26 12:00:17,493 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 316 states and 543 transitions. [2023-11-26 12:00:17,499 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 188 [2023-11-26 12:00:17,503 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 316 states to 316 states and 543 transitions. [2023-11-26 12:00:17,503 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 220 [2023-11-26 12:00:17,504 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 220 [2023-11-26 12:00:17,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 316 states and 543 transitions. [2023-11-26 12:00:17,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:00:17,504 INFO L218 hiAutomatonCegarLoop]: Abstraction has 316 states and 543 transitions. [2023-11-26 12:00:17,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states and 543 transitions. [2023-11-26 12:00:17,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2023-11-26 12:00:17,511 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) [2023-11-26 12:00:17,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 543 transitions. [2023-11-26 12:00:17,513 INFO L240 hiAutomatonCegarLoop]: Abstraction has 316 states and 543 transitions. [2023-11-26 12:00:17,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:00:17,516 INFO L428 stractBuchiCegarLoop]: Abstraction has 316 states and 543 transitions. [2023-11-26 12:00:17,516 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-26 12:00:17,516 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 316 states and 543 transitions. [2023-11-26 12:00:17,518 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 188 [2023-11-26 12:00:17,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:00:17,519 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:00:17,523 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] [2023-11-26 12:00:17,523 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] [2023-11-26 12:00:17,523 INFO L748 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 [2023-11-26 12:00:17,524 INFO L750 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 [2023-11-26 12:00:17,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:17,525 INFO L85 PathProgramCache]: Analyzing trace with hash -666176964, now seen corresponding path program 1 times [2023-11-26 12:00:17,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:17,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114661464] [2023-11-26 12:00:17,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:17,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:17,549 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:00:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:17,578 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:00:17,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:17,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1635242511, now seen corresponding path program 2 times [2023-11-26 12:00:17,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:17,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887384433] [2023-11-26 12:00:17,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:17,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:17,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:17,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:17,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887384433] [2023-11-26 12:00:17,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887384433] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:17,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:17,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:00:17,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831594863] [2023-11-26 12:00:17,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:17,617 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 12:00:17,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:17,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:00:17,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:00:17,622 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) [2023-11-26 12:00:17,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:17,665 INFO L93 Difference]: Finished difference Result 378 states and 658 transitions. [2023-11-26 12:00:17,666 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 378 states and 658 transitions. [2023-11-26 12:00:17,670 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 204 [2023-11-26 12:00:17,674 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 378 states to 363 states and 628 transitions. [2023-11-26 12:00:17,674 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 252 [2023-11-26 12:00:17,674 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 252 [2023-11-26 12:00:17,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 363 states and 628 transitions. [2023-11-26 12:00:17,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:00:17,677 INFO L218 hiAutomatonCegarLoop]: Abstraction has 363 states and 628 transitions. [2023-11-26 12:00:17,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states and 628 transitions. [2023-11-26 12:00:17,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2023-11-26 12:00:17,684 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) [2023-11-26 12:00:17,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 628 transitions. [2023-11-26 12:00:17,686 INFO L240 hiAutomatonCegarLoop]: Abstraction has 363 states and 628 transitions. [2023-11-26 12:00:17,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:00:17,690 INFO L428 stractBuchiCegarLoop]: Abstraction has 363 states and 628 transitions. [2023-11-26 12:00:17,690 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-26 12:00:17,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 363 states and 628 transitions. [2023-11-26 12:00:17,693 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 204 [2023-11-26 12:00:17,693 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:00:17,693 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:00:17,695 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] [2023-11-26 12:00:17,695 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] [2023-11-26 12:00:17,696 INFO L748 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#$Ultimate##44 assume !(2 == ~wl_pc~0); 4984#L477 assume !(1 == ~c1_pc~0); 4982#L487 assume !(1 == ~c2_pc~0); 4900#L496 assume !(1 == ~wb_pc~0); 4784#L505 assume 1 == ~e_c~0;~r_st~0 := 0; 4785#L514-1 assume !(1 == ~e_e~0); 4923#L519-1 assume !(1 == ~e_f~0); 4922#L524-1 assume !(1 == ~e_g~0); 4921#L529-1 assume 1 == ~e_c~0;~e_c~0 := 2; 4684#L534-1 assume !(1 == ~e_wl~0); 4685#L676-1 assume !false; 4924#L546 [2023-11-26 12:00:17,698 INFO L750 eck$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 [2023-11-26 12:00:17,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:17,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1430068998, now seen corresponding path program 1 times [2023-11-26 12:00:17,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:17,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520014444] [2023-11-26 12:00:17,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:17,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:17,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:17,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:17,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520014444] [2023-11-26 12:00:17,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520014444] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:17,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:17,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:00:17,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849458465] [2023-11-26 12:00:17,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:17,779 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 12:00:17,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:17,779 INFO L85 PathProgramCache]: Analyzing trace with hash 825895885, now seen corresponding path program 1 times [2023-11-26 12:00:17,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:17,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066758117] [2023-11-26 12:00:17,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:17,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:17,789 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:00:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:17,806 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:00:18,053 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 12:00:18,053 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 12:00:18,053 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 12:00:18,053 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 12:00:18,053 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-26 12:00:18,053 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:18,053 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 12:00:18,053 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 12:00:18,053 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration6_Loop [2023-11-26 12:00:18,054 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 12:00:18,054 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 12:00:18,061 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,067 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,069 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,071 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,073 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,076 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,081 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,084 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,087 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,089 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,091 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,097 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,100 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,102 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,104 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,109 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,111 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,114 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,116 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,119 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,122 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,127 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,130 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,132 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,148 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,158 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,385 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 12:00:18,385 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-26 12:00:18,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:18,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:18,387 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:18,393 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 12:00:18,393 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 12:00:18,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-26 12:00:18,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:18,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:18,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:18,426 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:18,433 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-26 12:00:18,433 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 12:00:18,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-26 12:00:18,460 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-26 12:00:18,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:18,468 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 12:00:18,468 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 12:00:18,469 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 12:00:18,469 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 12:00:18,469 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 12:00:18,469 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:18,469 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 12:00:18,469 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 12:00:18,469 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration6_Loop [2023-11-26 12:00:18,469 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 12:00:18,469 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 12:00:18,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,480 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,483 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,487 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,490 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,493 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,495 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,498 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,502 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,505 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,507 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,510 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,513 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,515 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,520 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,522 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,525 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,528 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,530 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,532 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,537 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,539 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,545 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,547 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:00:18,780 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 12:00:18,780 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 12:00:18,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:18,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:18,782 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:18,786 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 [2023-11-26 12:00:18,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:00:18,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:00:18,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:00:18,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:00:18,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:00:18,800 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:00:18,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:00:18,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-26 12:00:18,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:00:18,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:18,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:18,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:18,811 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:18,817 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 [2023-11-26 12:00:18,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:00:18,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:00:18,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:00:18,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:00:18,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:00:18,831 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:00:18,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:00:18,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-26 12:00:18,860 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 12:00:18,862 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-26 12:00:18,863 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-26 12:00:18,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:00:18,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:18,864 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:18,872 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 12:00:18,873 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-26 12:00:18,873 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 12:00:18,873 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_f~0) = -1*~e_f~0 + 1 Supporting invariants [] [2023-11-26 12:00:18,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-26 12:00:18,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:18,882 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-26 12:00:18,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:18,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:00:18,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:18,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 12:00:18,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:19,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:19,073 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 [2023-11-26 12:00:19,074 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) [2023-11-26 12:00:19,120 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. [2023-11-26 12:00:19,120 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 [2023-11-26 12:00:19,122 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) [2023-11-26 12:00:19,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 212 transitions. [2023-11-26 12:00:19,123 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 212 transitions. Stem has 25 letters. Loop has 28 letters. [2023-11-26 12:00:19,123 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:00:19,124 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 212 transitions. Stem has 53 letters. Loop has 28 letters. [2023-11-26 12:00:19,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:00:19,124 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 212 transitions. Stem has 25 letters. Loop has 56 letters. [2023-11-26 12:00:19,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:00:19,125 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 980 states and 1690 transitions. [2023-11-26 12:00:19,134 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 388 [2023-11-26 12:00:19,144 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 980 states to 965 states and 1669 transitions. [2023-11-26 12:00:19,144 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 448 [2023-11-26 12:00:19,145 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 454 [2023-11-26 12:00:19,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 965 states and 1669 transitions. [2023-11-26 12:00:19,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:00:19,146 INFO L218 hiAutomatonCegarLoop]: Abstraction has 965 states and 1669 transitions. [2023-11-26 12:00:19,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states and 1669 transitions. [2023-11-26 12:00:19,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 944. [2023-11-26 12:00:19,165 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) [2023-11-26 12:00:19,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1642 transitions. [2023-11-26 12:00:19,171 INFO L240 hiAutomatonCegarLoop]: Abstraction has 944 states and 1642 transitions. [2023-11-26 12:00:19,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:19,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:00:19,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:00:19,172 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) [2023-11-26 12:00:19,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:19,288 INFO L93 Difference]: Finished difference Result 1315 states and 2246 transitions. [2023-11-26 12:00:19,288 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1315 states and 2246 transitions. [2023-11-26 12:00:19,300 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 484 [2023-11-26 12:00:19,314 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1315 states to 1315 states and 2246 transitions. [2023-11-26 12:00:19,315 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 572 [2023-11-26 12:00:19,316 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 572 [2023-11-26 12:00:19,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1315 states and 2246 transitions. [2023-11-26 12:00:19,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:00:19,316 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1315 states and 2246 transitions. [2023-11-26 12:00:19,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1315 states and 2246 transitions. [2023-11-26 12:00:19,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:19,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1315 to 1125. [2023-11-26 12:00:19,371 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) [2023-11-26 12:00:19,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 1125 states and 1933 transitions. [2023-11-26 12:00:19,378 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1125 states and 1933 transitions. [2023-11-26 12:00:19,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:00:19,379 INFO L428 stractBuchiCegarLoop]: Abstraction has 1125 states and 1933 transitions. [2023-11-26 12:00:19,379 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-26 12:00:19,380 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1125 states and 1933 transitions. [2023-11-26 12:00:19,387 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 400 [2023-11-26 12:00:19,387 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:00:19,387 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:00:19,388 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] [2023-11-26 12:00:19,389 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:19,389 INFO L748 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 [2023-11-26 12:00:19,389 INFO L750 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 [2023-11-26 12:00:19,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:19,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1632637821, now seen corresponding path program 1 times [2023-11-26 12:00:19,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:19,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248833069] [2023-11-26 12:00:19,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:19,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:19,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:19,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:19,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248833069] [2023-11-26 12:00:19,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248833069] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:19,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:19,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:00:19,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161047933] [2023-11-26 12:00:19,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:19,457 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 12:00:19,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:19,458 INFO L85 PathProgramCache]: Analyzing trace with hash 121813293, now seen corresponding path program 1 times [2023-11-26 12:00:19,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:19,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801406537] [2023-11-26 12:00:19,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:19,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:19,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:19,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:19,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801406537] [2023-11-26 12:00:19,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801406537] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:19,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:19,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:00:19,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508809891] [2023-11-26 12:00:19,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:19,472 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 12:00:19,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:19,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:00:19,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:00:19,472 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) [2023-11-26 12:00:19,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:19,519 INFO L93 Difference]: Finished difference Result 1795 states and 3046 transitions. [2023-11-26 12:00:19,519 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1795 states and 3046 transitions. [2023-11-26 12:00:19,535 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 646 [2023-11-26 12:00:19,551 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1795 states to 1795 states and 3046 transitions. [2023-11-26 12:00:19,552 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 726 [2023-11-26 12:00:19,553 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 726 [2023-11-26 12:00:19,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1795 states and 3046 transitions. [2023-11-26 12:00:19,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:00:19,553 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1795 states and 3046 transitions. [2023-11-26 12:00:19,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1795 states and 3046 transitions. [2023-11-26 12:00:19,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1795 to 1795. [2023-11-26 12:00:19,596 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) [2023-11-26 12:00:19,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1795 states and 3046 transitions. [2023-11-26 12:00:19,605 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1795 states and 3046 transitions. [2023-11-26 12:00:19,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:00:19,606 INFO L428 stractBuchiCegarLoop]: Abstraction has 1795 states and 3046 transitions. [2023-11-26 12:00:19,606 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-26 12:00:19,606 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1795 states and 3046 transitions. [2023-11-26 12:00:19,619 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 646 [2023-11-26 12:00:19,620 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:00:19,620 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:00:19,621 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] [2023-11-26 12:00:19,621 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:19,621 INFO L748 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 [2023-11-26 12:00:19,621 INFO L750 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 [2023-11-26 12:00:19,622 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:19,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1632637821, now seen corresponding path program 2 times [2023-11-26 12:00:19,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:19,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144592921] [2023-11-26 12:00:19,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:19,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:19,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:19,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:19,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144592921] [2023-11-26 12:00:19,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144592921] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:19,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:19,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:00:19,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586200218] [2023-11-26 12:00:19,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:19,670 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 12:00:19,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:19,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1284632440, now seen corresponding path program 1 times [2023-11-26 12:00:19,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:19,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521976306] [2023-11-26 12:00:19,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:19,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:19,675 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:00:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:19,679 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:00:19,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:19,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:00:19,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:00:19,714 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) [2023-11-26 12:00:19,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:19,772 INFO L93 Difference]: Finished difference Result 3100 states and 5202 transitions. [2023-11-26 12:00:19,772 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3100 states and 5202 transitions. [2023-11-26 12:00:19,800 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1226 [2023-11-26 12:00:19,823 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3100 states to 2525 states and 4241 transitions. [2023-11-26 12:00:19,823 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1311 [2023-11-26 12:00:19,825 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1343 [2023-11-26 12:00:19,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2525 states and 4241 transitions. [2023-11-26 12:00:19,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:00:19,826 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2525 states and 4241 transitions. [2023-11-26 12:00:19,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2525 states and 4241 transitions. [2023-11-26 12:00:19,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2525 to 1638. [2023-11-26 12:00:19,871 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) [2023-11-26 12:00:19,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1638 states and 2769 transitions. [2023-11-26 12:00:19,879 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1638 states and 2769 transitions. [2023-11-26 12:00:19,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:00:19,880 INFO L428 stractBuchiCegarLoop]: Abstraction has 1638 states and 2769 transitions. [2023-11-26 12:00:19,880 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-26 12:00:19,880 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1638 states and 2769 transitions. [2023-11-26 12:00:19,891 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 646 [2023-11-26 12:00:19,891 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:00:19,891 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:00:19,892 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] [2023-11-26 12:00:19,892 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:19,892 INFO L748 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#$Ultimate##44 assume !(2 == ~wl_pc~0); 16592#L477 assume !(1 == ~c1_pc~0); 16590#L487 assume !(1 == ~c2_pc~0); 16587#L496 assume !(1 == ~wb_pc~0); 16394#L505 assume !(1 == ~e_c~0); 16395#L514-1 assume !(1 == ~e_e~0); 16417#L519-1 assume 1 == ~e_f~0;~e_f~0 := 2; 16425#L524-1 assume !(1 == ~e_g~0); 16426#L529-1 assume !(1 == ~e_c~0); 16296#L534-1 assume !(1 == ~e_wl~0); 16297#L676-1 assume !false; 16733#L546 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 16347#L381 [2023-11-26 12:00:19,892 INFO L750 eck$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 [2023-11-26 12:00:19,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:19,893 INFO L85 PathProgramCache]: Analyzing trace with hash 766092475, now seen corresponding path program 1 times [2023-11-26 12:00:19,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:19,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432304689] [2023-11-26 12:00:19,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:19,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:19,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:19,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:19,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432304689] [2023-11-26 12:00:19,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432304689] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:19,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:19,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:00:19,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458746727] [2023-11-26 12:00:19,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:19,966 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 12:00:19,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:19,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1284632440, now seen corresponding path program 2 times [2023-11-26 12:00:19,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:19,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689090840] [2023-11-26 12:00:19,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:19,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:19,971 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:00:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:19,974 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:00:20,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:20,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:00:20,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:00:20,005 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) [2023-11-26 12:00:20,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:20,128 INFO L93 Difference]: Finished difference Result 2129 states and 3576 transitions. [2023-11-26 12:00:20,128 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2129 states and 3576 transitions. [2023-11-26 12:00:20,145 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 870 [2023-11-26 12:00:20,163 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2129 states to 2129 states and 3576 transitions. [2023-11-26 12:00:20,164 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1079 [2023-11-26 12:00:20,165 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1079 [2023-11-26 12:00:20,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2129 states and 3576 transitions. [2023-11-26 12:00:20,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:00:20,166 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2129 states and 3576 transitions. [2023-11-26 12:00:20,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2129 states and 3576 transitions. [2023-11-26 12:00:20,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2129 to 1941. [2023-11-26 12:00:20,208 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) [2023-11-26 12:00:20,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1941 states and 3274 transitions. [2023-11-26 12:00:20,217 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1941 states and 3274 transitions. [2023-11-26 12:00:20,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 12:00:20,218 INFO L428 stractBuchiCegarLoop]: Abstraction has 1941 states and 3274 transitions. [2023-11-26 12:00:20,218 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-26 12:00:20,218 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1941 states and 3274 transitions. [2023-11-26 12:00:20,228 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 728 [2023-11-26 12:00:20,228 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:00:20,228 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:00:20,229 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] [2023-11-26 12:00:20,229 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:20,229 INFO L748 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 [2023-11-26 12:00:20,230 INFO L750 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 [2023-11-26 12:00:20,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:20,230 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 1 times [2023-11-26 12:00:20,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:20,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536640115] [2023-11-26 12:00:20,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:20,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:20,239 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:00:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:20,250 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:00:20,250 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:20,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1284632440, now seen corresponding path program 3 times [2023-11-26 12:00:20,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:20,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960231377] [2023-11-26 12:00:20,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:20,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:20,254 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:00:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:20,257 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:00:20,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:20,258 INFO L85 PathProgramCache]: Analyzing trace with hash 365677936, now seen corresponding path program 1 times [2023-11-26 12:00:20,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:20,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546305930] [2023-11-26 12:00:20,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:20,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:20,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:20,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:20,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546305930] [2023-11-26 12:00:20,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546305930] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:20,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:20,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:00:20,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814876000] [2023-11-26 12:00:20,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:20,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:20,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:00:20,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:00:20,323 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) [2023-11-26 12:00:20,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:20,369 INFO L93 Difference]: Finished difference Result 3072 states and 5123 transitions. [2023-11-26 12:00:20,369 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3072 states and 5123 transitions. [2023-11-26 12:00:20,390 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1134 [2023-11-26 12:00:20,416 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3072 states to 3072 states and 5123 transitions. [2023-11-26 12:00:20,416 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1394 [2023-11-26 12:00:20,418 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1394 [2023-11-26 12:00:20,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3072 states and 5123 transitions. [2023-11-26 12:00:20,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:00:20,419 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3072 states and 5123 transitions. [2023-11-26 12:00:20,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3072 states and 5123 transitions. [2023-11-26 12:00:20,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3072 to 3072. [2023-11-26 12:00:20,476 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) [2023-11-26 12:00:20,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3072 states to 3072 states and 5123 transitions. [2023-11-26 12:00:20,490 INFO L240 hiAutomatonCegarLoop]: Abstraction has 3072 states and 5123 transitions. [2023-11-26 12:00:20,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:00:20,491 INFO L428 stractBuchiCegarLoop]: Abstraction has 3072 states and 5123 transitions. [2023-11-26 12:00:20,491 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-26 12:00:20,492 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3072 states and 5123 transitions. [2023-11-26 12:00:20,504 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1134 [2023-11-26 12:00:20,505 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:00:20,505 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:00:20,505 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] [2023-11-26 12:00:20,506 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:20,506 INFO L748 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 [2023-11-26 12:00:20,506 INFO L750 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 [2023-11-26 12:00:20,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:20,507 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 2 times [2023-11-26 12:00:20,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:20,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904759577] [2023-11-26 12:00:20,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:20,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:20,516 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:00:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:20,526 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:00:20,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:20,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1117173442, now seen corresponding path program 1 times [2023-11-26 12:00:20,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:20,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613885596] [2023-11-26 12:00:20,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:20,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:20,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:00:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:20,533 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:00:20,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:20,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1600612406, now seen corresponding path program 1 times [2023-11-26 12:00:20,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:20,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140824221] [2023-11-26 12:00:20,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:20,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:20,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:20,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:20,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140824221] [2023-11-26 12:00:20,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140824221] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:20,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:20,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:00:20,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202602826] [2023-11-26 12:00:20,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:20,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:20,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:00:20,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:00:20,649 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) [2023-11-26 12:00:20,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:20,721 INFO L93 Difference]: Finished difference Result 4987 states and 8221 transitions. [2023-11-26 12:00:20,721 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4987 states and 8221 transitions. [2023-11-26 12:00:20,755 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1784 [2023-11-26 12:00:20,796 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4987 states to 4987 states and 8221 transitions. [2023-11-26 12:00:20,797 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2289 [2023-11-26 12:00:20,803 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2289 [2023-11-26 12:00:20,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4987 states and 8221 transitions. [2023-11-26 12:00:20,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:00:20,804 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4987 states and 8221 transitions. [2023-11-26 12:00:20,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4987 states and 8221 transitions. [2023-11-26 12:00:20,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4987 to 4987. [2023-11-26 12:00:20,909 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) [2023-11-26 12:00:20,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4987 states to 4987 states and 8221 transitions. [2023-11-26 12:00:20,927 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4987 states and 8221 transitions. [2023-11-26 12:00:20,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:00:20,928 INFO L428 stractBuchiCegarLoop]: Abstraction has 4987 states and 8221 transitions. [2023-11-26 12:00:20,929 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2023-11-26 12:00:20,929 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4987 states and 8221 transitions. [2023-11-26 12:00:20,949 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1784 [2023-11-26 12:00:20,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:00:20,949 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:00:20,950 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] [2023-11-26 12:00:20,950 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:20,950 INFO L748 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 [2023-11-26 12:00:20,950 INFO L750 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 [2023-11-26 12:00:20,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:20,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1246052603, now seen corresponding path program 1 times [2023-11-26 12:00:20,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:20,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879137144] [2023-11-26 12:00:20,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:20,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:20,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:20,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:20,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879137144] [2023-11-26 12:00:20,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879137144] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:20,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:20,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:00:20,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459624703] [2023-11-26 12:00:20,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:20,992 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 12:00:20,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:20,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1117173442, now seen corresponding path program 2 times [2023-11-26 12:00:20,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:20,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17931114] [2023-11-26 12:00:20,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:20,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:20,996 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:00:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:20,999 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:00:21,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:21,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:00:21,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:00:21,040 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) [2023-11-26 12:00:21,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:21,072 INFO L93 Difference]: Finished difference Result 4887 states and 8039 transitions. [2023-11-26 12:00:21,072 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4887 states and 8039 transitions. [2023-11-26 12:00:21,099 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1784 [2023-11-26 12:00:21,136 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4887 states to 4887 states and 8039 transitions. [2023-11-26 12:00:21,136 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2190 [2023-11-26 12:00:21,140 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2190 [2023-11-26 12:00:21,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4887 states and 8039 transitions. [2023-11-26 12:00:21,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:00:21,140 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4887 states and 8039 transitions. [2023-11-26 12:00:21,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4887 states and 8039 transitions. [2023-11-26 12:00:21,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4887 to 4887. [2023-11-26 12:00:21,275 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) [2023-11-26 12:00:21,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4887 states to 4887 states and 8039 transitions. [2023-11-26 12:00:21,291 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4887 states and 8039 transitions. [2023-11-26 12:00:21,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:00:21,292 INFO L428 stractBuchiCegarLoop]: Abstraction has 4887 states and 8039 transitions. [2023-11-26 12:00:21,292 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2023-11-26 12:00:21,293 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4887 states and 8039 transitions. [2023-11-26 12:00:21,312 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1784 [2023-11-26 12:00:21,313 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:00:21,313 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:00:21,313 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] [2023-11-26 12:00:21,314 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:21,314 INFO L748 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#$Ultimate##44 assume !(2 == ~wl_pc~0); 43118#L477 assume !(1 == ~c1_pc~0); 43104#L487 assume !(1 == ~c2_pc~0); 43106#L496 assume !(1 == ~wb_pc~0); 43141#L505 assume !(1 == ~e_c~0); 43142#L514-1 assume !(1 == ~e_e~0); 43385#L519-1 assume !(1 == ~e_f~0); 43384#L524-1 assume !(1 == ~e_g~0); 43343#L529-1 assume !(1 == ~e_c~0); 43344#L534-1 assume !(1 == ~e_wl~0); 44771#L676-1 assume !false; 44038#L546 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 44039#L381 [2023-11-26 12:00:21,314 INFO L750 eck$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 [2023-11-26 12:00:21,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:21,315 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 3 times [2023-11-26 12:00:21,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:21,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24912131] [2023-11-26 12:00:21,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:21,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:21,324 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:00:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:21,334 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:00:21,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:21,335 INFO L85 PathProgramCache]: Analyzing trace with hash 270987588, now seen corresponding path program 1 times [2023-11-26 12:00:21,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:21,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398614558] [2023-11-26 12:00:21,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:21,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:21,339 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:00:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:21,342 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:00:21,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:21,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1918972220, now seen corresponding path program 1 times [2023-11-26 12:00:21,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:21,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176170074] [2023-11-26 12:00:21,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:21,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:21,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:21,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:21,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176170074] [2023-11-26 12:00:21,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176170074] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:21,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:21,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:00:21,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022332609] [2023-11-26 12:00:21,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:21,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:21,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:00:21,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:00:21,433 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) [2023-11-26 12:00:21,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:21,502 INFO L93 Difference]: Finished difference Result 8309 states and 13515 transitions. [2023-11-26 12:00:21,502 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8309 states and 13515 transitions. [2023-11-26 12:00:21,545 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3066 [2023-11-26 12:00:21,597 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8309 states to 8309 states and 13515 transitions. [2023-11-26 12:00:21,597 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3674 [2023-11-26 12:00:21,602 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3674 [2023-11-26 12:00:21,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8309 states and 13515 transitions. [2023-11-26 12:00:21,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:00:21,607 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8309 states and 13515 transitions. [2023-11-26 12:00:21,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8309 states and 13515 transitions. [2023-11-26 12:00:21,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8309 to 8309. [2023-11-26 12:00:21,845 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) [2023-11-26 12:00:21,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8309 states to 8309 states and 13515 transitions. [2023-11-26 12:00:21,879 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8309 states and 13515 transitions. [2023-11-26 12:00:21,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:00:21,881 INFO L428 stractBuchiCegarLoop]: Abstraction has 8309 states and 13515 transitions. [2023-11-26 12:00:21,881 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2023-11-26 12:00:21,881 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8309 states and 13515 transitions. [2023-11-26 12:00:21,911 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3066 [2023-11-26 12:00:21,911 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:00:21,911 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:00:21,912 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] [2023-11-26 12:00:21,912 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:21,912 INFO L748 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#$Ultimate##44 assume !(2 == ~wl_pc~0); 56320#L477 assume !(1 == ~c1_pc~0); 56309#L487 assume !(1 == ~c2_pc~0); 56311#L496 assume !(1 == ~wb_pc~0); 56343#L505 assume !(1 == ~e_c~0); 56344#L514-1 assume !(1 == ~e_e~0); 56603#L519-1 assume !(1 == ~e_f~0); 56602#L524-1 assume !(1 == ~e_g~0); 56560#L529-1 assume !(1 == ~e_c~0); 56245#L534-1 assume !(1 == ~e_wl~0); 56246#L676-1 assume !false; 61932#L546 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 58760#L381 [2023-11-26 12:00:21,913 INFO L750 eck$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 [2023-11-26 12:00:21,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:21,913 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 4 times [2023-11-26 12:00:21,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:21,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162800758] [2023-11-26 12:00:21,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:21,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:21,922 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:00:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:21,931 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:00:21,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:21,932 INFO L85 PathProgramCache]: Analyzing trace with hash -189354762, now seen corresponding path program 1 times [2023-11-26 12:00:21,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:21,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510014276] [2023-11-26 12:00:21,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:21,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:21,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:00:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:21,940 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:00:21,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:21,941 INFO L85 PathProgramCache]: Analyzing trace with hash -641438722, now seen corresponding path program 1 times [2023-11-26 12:00:21,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:21,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116998058] [2023-11-26 12:00:21,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:21,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:21,950 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:00:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:21,962 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:00:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:23,387 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:00:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:23,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 12:00:23 BoogieIcfgContainer [2023-11-26 12:00:23,551 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 12:00:23,552 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:00:23,552 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:00:23,552 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:00:23,553 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:11" (3/4) ... [2023-11-26 12:00:23,555 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-26 12:00:23,652 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 12:00:23,653 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:00:23,653 INFO L158 Benchmark]: Toolchain (without parser) took 12944.33ms. Allocated memory was 117.4MB in the beginning and 312.5MB in the end (delta: 195.0MB). Free memory was 72.3MB in the beginning and 193.7MB in the end (delta: -121.4MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. [2023-11-26 12:00:23,654 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 92.7MB in the end (delta: 29.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:00:23,654 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.61ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 57.1MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 12:00:23,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.96ms. Allocated memory is still 117.4MB. Free memory was 57.1MB in the beginning and 54.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:00:23,655 INFO L158 Benchmark]: Boogie Preprocessor took 73.94ms. Allocated memory is still 117.4MB. Free memory was 54.7MB in the beginning and 51.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:00:23,655 INFO L158 Benchmark]: RCFGBuilder took 737.94ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 51.8MB in the beginning and 95.5MB in the end (delta: -43.6MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2023-11-26 12:00:23,656 INFO L158 Benchmark]: BuchiAutomizer took 11561.82ms. Allocated memory was 142.6MB in the beginning and 312.5MB in the end (delta: 169.9MB). Free memory was 95.5MB in the beginning and 199.0MB in the end (delta: -103.5MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2023-11-26 12:00:23,656 INFO L158 Benchmark]: Witness Printer took 101.20ms. Allocated memory is still 312.5MB. Free memory was 199.0MB in the beginning and 193.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 12:00:23,658 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 92.7MB in the end (delta: 29.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.61ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 57.1MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.96ms. Allocated memory is still 117.4MB. Free memory was 57.1MB in the beginning and 54.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.94ms. Allocated memory is still 117.4MB. Free memory was 54.7MB in the beginning and 51.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 737.94ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 51.8MB in the beginning and 95.5MB in the end (delta: -43.6MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 11561.82ms. Allocated memory was 142.6MB in the beginning and 312.5MB in the end (delta: 169.9MB). Free memory was 95.5MB in the beginning and 199.0MB in the end (delta: -103.5MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Witness Printer took 101.20ms. Allocated memory is still 312.5MB. Free memory was 199.0MB in the beginning and 193.7MB in the end (delta: 5.2MB). 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 ((-1 * e_c) + 1) and consists of 3 locations. One deterministic module has affine ranking function ((-1 * e_c) + 1) and consists of 3 locations. One deterministic module has affine ranking function ((-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 11.3s and 14 iterations. TraceHistogramMax:1. Analysis of lassos took 7.6s. Construction of modules took 0.3s. 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 0.5s 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, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3535 mSDsluCounter, 6482 SdHoareTripleChecker+Invalid, 0.3s 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: inital79 mio100 ax100 hnf100 lsp11 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq185 hnf96 smp100 dnf147 smp91 tf109 neg100 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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, kernel_st=0, 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! [2023-11-26 12:00:23,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45c7c45-ccc7-4a97-a5c0-492d30744f79/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)