./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/systemc/toy2.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/systemc/toy2.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu --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 a77d6f304c19846fdc8cd5bba9216d69953659ded966cffbf7faa285e2d864a4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:46:46,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:46:46,429 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:46:46,434 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:46:46,435 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:46:46,469 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:46:46,470 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:46:46,470 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:46:46,471 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:46:46,472 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:46:46,473 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:46:46,473 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:46:46,474 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:46:46,474 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:46:46,475 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:46:46,475 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:46:46,476 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:46:46,477 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:46:46,477 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:46:46,478 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:46:46,478 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:46:46,479 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:46:46,479 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:46:46,480 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:46:46,480 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:46:46,481 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:46:46,481 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:46:46,481 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:46:46,482 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:46:46,482 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:46:46,483 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:46:46,483 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:46:46,484 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:46:46,484 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:46:46,484 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:46:46,485 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:46:46,485 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_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a77d6f304c19846fdc8cd5bba9216d69953659ded966cffbf7faa285e2d864a4 [2023-11-19 07:46:46,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:46:46,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:46:46,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:46:46,828 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:46:46,829 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:46:46,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/systemc/toy2.cil.c [2023-11-19 07:46:49,973 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:46:50,207 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:46:50,208 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/sv-benchmarks/c/systemc/toy2.cil.c [2023-11-19 07:46:50,221 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/data/a0e7f9d71/0dcdb93d085d4d7f995277c9aec7aa55/FLAG5e17eb7db [2023-11-19 07:46:50,239 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/data/a0e7f9d71/0dcdb93d085d4d7f995277c9aec7aa55 [2023-11-19 07:46:50,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:46:50,251 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:46:50,255 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:50,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:46:50,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:46:50,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:50" (1/1) ... [2023-11-19 07:46:50,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6665ee0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:50, skipping insertion in model container [2023-11-19 07:46:50,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:50" (1/1) ... [2023-11-19 07:46:50,326 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:46:50,565 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:50,583 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:46:50,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:50,648 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:46:50,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:50 WrapperNode [2023-11-19 07:46:50,649 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:50,650 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:50,650 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:46:50,651 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:46:50,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:50" (1/1) ... [2023-11-19 07:46:50,673 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:50" (1/1) ... [2023-11-19 07:46:50,719 INFO L138 Inliner]: procedures = 20, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 361 [2023-11-19 07:46:50,720 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:50,720 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:46:50,721 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:46:50,721 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:46:50,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:50" (1/1) ... [2023-11-19 07:46:50,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:50" (1/1) ... [2023-11-19 07:46:50,753 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:50" (1/1) ... [2023-11-19 07:46:50,753 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:50" (1/1) ... [2023-11-19 07:46:50,760 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:50" (1/1) ... [2023-11-19 07:46:50,784 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:50" (1/1) ... [2023-11-19 07:46:50,786 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:50" (1/1) ... [2023-11-19 07:46:50,788 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:50" (1/1) ... [2023-11-19 07:46:50,805 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:46:50,806 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:46:50,806 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:46:50,807 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:46:50,808 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:50" (1/1) ... [2023-11-19 07:46:50,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:50,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:50,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:50,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:46:50,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:46:50,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:46:50,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:46:50,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:46:51,020 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:46:51,022 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:46:51,496 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:46:51,517 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:46:51,517 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 07:46:51,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:51 BoogieIcfgContainer [2023-11-19 07:46:51,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:46:51,533 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:46:51,533 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:46:51,536 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:46:51,536 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:46:51,537 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:46:50" (1/3) ... [2023-11-19 07:46:51,538 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b6ff0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:46:51, skipping insertion in model container [2023-11-19 07:46:51,538 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:46:51,538 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:50" (2/3) ... [2023-11-19 07:46:51,538 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b6ff0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:46:51, skipping insertion in model container [2023-11-19 07:46:51,538 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:46:51,539 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:51" (3/3) ... [2023-11-19 07:46:51,540 INFO L332 chiAutomizerObserver]: Analyzing ICFG toy2.cil.c [2023-11-19 07:46:51,601 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:46:51,601 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:46:51,601 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:46:51,602 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:46:51,602 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:46:51,602 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:46:51,602 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:46:51,602 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:46:51,608 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 131 states, 130 states have (on average 1.823076923076923) internal successors, (237), 130 states have internal predecessors, (237), 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) [2023-11-19 07:46:51,637 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 96 [2023-11-19 07:46:51,637 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:51,637 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:51,646 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] [2023-11-19 07:46:51,646 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] [2023-11-19 07:46:51,646 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:46:51,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 131 states, 130 states have (on average 1.823076923076923) internal successors, (237), 130 states have internal predecessors, (237), 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) [2023-11-19 07:46:51,656 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 96 [2023-11-19 07:46:51,656 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:51,657 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:51,659 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] [2023-11-19 07:46:51,659 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] [2023-11-19 07:46:51,666 INFO L748 eck$LassoCheckResult]: Stem: 32#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 42#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 113#L404true assume !(1 == ~c_req_up~0); 61#L404-2true assume !(1 == ~wl_i~0);~wl_st~0 := 2; 22#L415-1true assume !(1 == ~c1_i~0);~c1_st~0 := 2; 50#L420-1true assume 1 == ~c2_i~0;~c2_st~0 := 0; 84#L425-1true assume !(1 == ~wb_i~0);~wb_st~0 := 2; 39#L430-1true assume !(1 == ~r_i~0);~r_st~0 := 2; 125#L435-1true assume !(0 == ~e_f~0); 26#L440-1true assume !(0 == ~e_g~0); 44#L445-1true assume !(0 == ~e_e~0); 47#L450-1true assume !(0 == ~e_c~0); 21#L455-1true assume !(0 == ~e_wl~0); 76#L460-1true assume !(1 == ~wl_pc~0); 96#$Ultimate##44true assume !(2 == ~wl_pc~0); 121#L473true assume !(1 == ~c1_pc~0); 103#L483true assume !(1 == ~c2_pc~0); 115#L492true assume !(1 == ~wb_pc~0); 52#L501true assume !(1 == ~e_c~0); 31#L510-1true assume !(1 == ~e_e~0); 23#L515-1true assume !(1 == ~e_f~0); 14#L520-1true assume !(1 == ~e_g~0); 45#L525-1true assume !(1 == ~e_c~0); 82#L530-1true assume !(1 == ~e_wl~0); 65#L672-1true [2023-11-19 07:46:51,667 INFO L750 eck$LassoCheckResult]: Loop: 65#L672-1true assume !false; 6#L542true start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 128#L377true assume !true; 86#eval_returnLabel#1true havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 64#L548true assume !(1 == ~c_req_up~0); 9#L548-2true start_simulation_~kernel_st~0#1 := 3; 25#L560true assume 0 == ~e_f~0;~e_f~0 := 1; 97#L560-2true assume 0 == ~e_g~0;~e_g~0 := 1; 18#L565-1true assume 0 == ~e_e~0;~e_e~0 := 1; 129#L570-1true assume 0 == ~e_c~0;~e_c~0 := 1; 35#L575-1true assume !(0 == ~e_wl~0); 122#L580-1true assume !(1 == ~wl_pc~0); 75#$Ultimate##251true assume !(2 == ~wl_pc~0); 80#L593true assume !(1 == ~c1_pc~0); 116#L603true assume !(1 == ~c2_pc~0); 3#L612true assume !(1 == ~wb_pc~0); 60#L621true assume 1 == ~e_c~0;~r_st~0 := 0; 58#L630-1true assume 1 == ~e_e~0;~e_e~0 := 2; 131#L635-1true assume 1 == ~e_f~0;~e_f~0 := 2; 130#L640-1true assume 1 == ~e_g~0;~e_g~0 := 2; 111#L645-1true assume 1 == ~e_c~0;~e_c~0 := 2; 11#L650-1true assume !(1 == ~e_wl~0); 40#L655-1true assume 0 == ~wl_st~0; 65#L672-1true [2023-11-19 07:46:51,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:51,680 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 1 times [2023-11-19 07:46:51,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:51,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630344056] [2023-11-19 07:46:51,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:51,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:52,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:52,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:52,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630344056] [2023-11-19 07:46:52,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630344056] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:52,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:52,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:46:52,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716705039] [2023-11-19 07:46:52,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:52,088 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:46:52,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:52,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1858065656, now seen corresponding path program 1 times [2023-11-19 07:46:52,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:52,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401687224] [2023-11-19 07:46:52,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:52,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:52,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:52,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:52,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401687224] [2023-11-19 07:46:52,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401687224] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:52,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:52,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:46:52,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2988492] [2023-11-19 07:46:52,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:52,150 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:46:52,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:52,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:46:52,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:46:52,230 INFO L87 Difference]: Start difference. First operand has 131 states, 130 states have (on average 1.823076923076923) internal successors, (237), 130 states have internal predecessors, (237), 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) [2023-11-19 07:46:52,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:52,278 INFO L93 Difference]: Finished difference Result 129 states and 222 transitions. [2023-11-19 07:46:52,280 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 129 states and 222 transitions. [2023-11-19 07:46:52,284 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2023-11-19 07:46:52,295 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 129 states to 124 states and 217 transitions. [2023-11-19 07:46:52,297 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 124 [2023-11-19 07:46:52,300 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 124 [2023-11-19 07:46:52,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 124 states and 217 transitions. [2023-11-19 07:46:52,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:46:52,303 INFO L218 hiAutomatonCegarLoop]: Abstraction has 124 states and 217 transitions. [2023-11-19 07:46:52,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states and 217 transitions. [2023-11-19 07:46:52,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2023-11-19 07:46:52,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.75) internal successors, (217), 123 states have internal predecessors, (217), 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) [2023-11-19 07:46:52,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 217 transitions. [2023-11-19 07:46:52,341 INFO L240 hiAutomatonCegarLoop]: Abstraction has 124 states and 217 transitions. [2023-11-19 07:46:52,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:46:52,346 INFO L428 stractBuchiCegarLoop]: Abstraction has 124 states and 217 transitions. [2023-11-19 07:46:52,346 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:46:52,347 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 217 transitions. [2023-11-19 07:46:52,350 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2023-11-19 07:46:52,350 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:52,350 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:52,352 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] [2023-11-19 07:46:52,352 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] [2023-11-19 07:46:52,352 INFO L748 eck$LassoCheckResult]: Stem: 325#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 326#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; 340#L404 assume !(1 == ~c_req_up~0); 363#L404-2 assume !(1 == ~wl_i~0);~wl_st~0 := 2; 309#L415-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 310#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 351#L425-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 337#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 338#L435-1 assume !(0 == ~e_f~0); 315#L440-1 assume !(0 == ~e_g~0); 316#L445-1 assume !(0 == ~e_e~0); 343#L450-1 assume !(0 == ~e_c~0); 307#L455-1 assume !(0 == ~e_wl~0); 308#L460-1 assume !(1 == ~wl_pc~0); 376#$Ultimate##44 assume !(2 == ~wl_pc~0); 354#L473 assume !(1 == ~c1_pc~0); 386#L483 assume !(1 == ~c2_pc~0); 297#L492 assume !(1 == ~wb_pc~0); 342#L501 assume !(1 == ~e_c~0); 324#L510-1 assume !(1 == ~e_e~0); 311#L515-1 assume !(1 == ~e_f~0); 294#L520-1 assume !(1 == ~e_g~0); 295#L525-1 assume !(1 == ~e_c~0); 344#L530-1 assume !(1 == ~e_wl~0); 292#L672-1 [2023-11-19 07:46:52,353 INFO L750 eck$LassoCheckResult]: Loop: 292#L672-1 assume !false; 278#L542 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; 279#L377 assume !false; 275#L295 assume !(0 == ~wl_st~0); 277#L299 assume !(0 == ~c1_st~0); 336#L302 assume !(0 == ~c2_st~0); 366#L305 assume !(0 == ~wb_st~0); 286#L308 assume !(0 == ~r_st~0); 287#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; 365#L548 assume !(1 == ~c_req_up~0); 284#L548-2 start_simulation_~kernel_st~0#1 := 3; 285#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 314#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 304#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 305#L570-1 assume 0 == ~e_c~0;~e_c~0 := 1; 332#L575-1 assume !(0 == ~e_wl~0); 333#L580-1 assume 1 == ~wl_pc~0; 385#L586 assume 1 == ~e_wl~0;~wl_st~0 := 0; 375#L593 assume !(1 == ~c1_pc~0); 350#L603 assume !(1 == ~c2_pc~0); 269#L612 assume !(1 == ~wb_pc~0); 271#L621 assume 1 == ~e_c~0;~r_st~0 := 0; 359#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 360#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 392#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 390#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 288#L650-1 assume !(1 == ~e_wl~0); 289#L655-1 assume 0 == ~wl_st~0; 292#L672-1 [2023-11-19 07:46:52,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:52,354 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 2 times [2023-11-19 07:46:52,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:52,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987664402] [2023-11-19 07:46:52,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:52,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:52,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:52,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:52,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987664402] [2023-11-19 07:46:52,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987664402] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:52,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:52,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:46:52,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012143992] [2023-11-19 07:46:52,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:52,439 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:46:52,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:52,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1951233037, now seen corresponding path program 1 times [2023-11-19 07:46:52,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:52,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664997694] [2023-11-19 07:46:52,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:52,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:52,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:52,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:52,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664997694] [2023-11-19 07:46:52,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664997694] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:52,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:52,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:46:52,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711304644] [2023-11-19 07:46:52,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:52,511 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:46:52,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:52,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:46:52,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:46:52,514 INFO L87 Difference]: Start difference. First operand 124 states and 217 transitions. cyclomatic complexity: 94 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) [2023-11-19 07:46:52,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:52,543 INFO L93 Difference]: Finished difference Result 124 states and 216 transitions. [2023-11-19 07:46:52,543 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 216 transitions. [2023-11-19 07:46:52,546 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2023-11-19 07:46:52,548 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 124 states and 216 transitions. [2023-11-19 07:46:52,548 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 124 [2023-11-19 07:46:52,549 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 124 [2023-11-19 07:46:52,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 124 states and 216 transitions. [2023-11-19 07:46:52,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:46:52,551 INFO L218 hiAutomatonCegarLoop]: Abstraction has 124 states and 216 transitions. [2023-11-19 07:46:52,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states and 216 transitions. [2023-11-19 07:46:52,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2023-11-19 07:46:52,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.7419354838709677) internal successors, (216), 123 states have internal predecessors, (216), 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) [2023-11-19 07:46:52,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 216 transitions. [2023-11-19 07:46:52,560 INFO L240 hiAutomatonCegarLoop]: Abstraction has 124 states and 216 transitions. [2023-11-19 07:46:52,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:46:52,562 INFO L428 stractBuchiCegarLoop]: Abstraction has 124 states and 216 transitions. [2023-11-19 07:46:52,562 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:46:52,562 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 216 transitions. [2023-11-19 07:46:52,565 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2023-11-19 07:46:52,565 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:52,565 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:52,567 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] [2023-11-19 07:46:52,567 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] [2023-11-19 07:46:52,568 INFO L748 eck$LassoCheckResult]: Stem: 580#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 581#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; 595#L404 assume !(1 == ~c_req_up~0); 618#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 564#L415-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 565#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 606#L425-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 592#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 593#L435-1 assume !(0 == ~e_f~0); 570#L440-1 assume !(0 == ~e_g~0); 571#L445-1 assume !(0 == ~e_e~0); 598#L450-1 assume !(0 == ~e_c~0); 562#L455-1 assume !(0 == ~e_wl~0); 563#L460-1 assume !(1 == ~wl_pc~0); 631#$Ultimate##44 assume !(2 == ~wl_pc~0); 609#L473 assume !(1 == ~c1_pc~0); 641#L483 assume !(1 == ~c2_pc~0); 552#L492 assume !(1 == ~wb_pc~0); 597#L501 assume !(1 == ~e_c~0); 579#L510-1 assume !(1 == ~e_e~0); 566#L515-1 assume !(1 == ~e_f~0); 549#L520-1 assume !(1 == ~e_g~0); 550#L525-1 assume !(1 == ~e_c~0); 599#L530-1 assume !(1 == ~e_wl~0); 547#L672-1 [2023-11-19 07:46:52,568 INFO L750 eck$LassoCheckResult]: Loop: 547#L672-1 assume !false; 533#L542 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; 534#L377 assume !false; 530#L295 assume !(0 == ~wl_st~0); 532#L299 assume !(0 == ~c1_st~0); 591#L302 assume !(0 == ~c2_st~0); 621#L305 assume !(0 == ~wb_st~0); 541#L308 assume !(0 == ~r_st~0); 542#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; 620#L548 assume !(1 == ~c_req_up~0); 539#L548-2 start_simulation_~kernel_st~0#1 := 3; 540#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 569#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 559#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 560#L570-1 assume 0 == ~e_c~0;~e_c~0 := 1; 587#L575-1 assume !(0 == ~e_wl~0); 588#L580-1 assume 1 == ~wl_pc~0; 640#L586 assume 1 == ~e_wl~0;~wl_st~0 := 0; 630#L593 assume !(1 == ~c1_pc~0); 605#L603 assume !(1 == ~c2_pc~0); 524#L612 assume !(1 == ~wb_pc~0); 526#L621 assume 1 == ~e_c~0;~r_st~0 := 0; 614#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 615#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 647#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 645#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 543#L650-1 assume !(1 == ~e_wl~0); 544#L655-1 assume 0 == ~wl_st~0; 547#L672-1 [2023-11-19 07:46:52,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:52,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1738779219, now seen corresponding path program 1 times [2023-11-19 07:46:52,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:52,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595410611] [2023-11-19 07:46:52,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:52,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:52,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:52,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:52,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:52,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595410611] [2023-11-19 07:46:52,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595410611] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:52,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:52,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:46:52,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334930212] [2023-11-19 07:46:52,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:52,629 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:46:52,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:52,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1951233037, now seen corresponding path program 2 times [2023-11-19 07:46:52,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:52,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072314276] [2023-11-19 07:46:52,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:52,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:52,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:52,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:52,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072314276] [2023-11-19 07:46:52,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072314276] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:52,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:52,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:46:52,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645292208] [2023-11-19 07:46:52,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:52,666 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:46:52,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:52,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:46:52,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:46:52,667 INFO L87 Difference]: Start difference. First operand 124 states and 216 transitions. cyclomatic complexity: 93 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) [2023-11-19 07:46:52,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:52,686 INFO L93 Difference]: Finished difference Result 124 states and 215 transitions. [2023-11-19 07:46:52,686 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 215 transitions. [2023-11-19 07:46:52,688 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2023-11-19 07:46:52,690 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 124 states and 215 transitions. [2023-11-19 07:46:52,690 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 124 [2023-11-19 07:46:52,691 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 124 [2023-11-19 07:46:52,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 124 states and 215 transitions. [2023-11-19 07:46:52,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:46:52,693 INFO L218 hiAutomatonCegarLoop]: Abstraction has 124 states and 215 transitions. [2023-11-19 07:46:52,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states and 215 transitions. [2023-11-19 07:46:52,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2023-11-19 07:46:52,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.7338709677419355) internal successors, (215), 123 states have internal predecessors, (215), 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) [2023-11-19 07:46:52,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 215 transitions. [2023-11-19 07:46:52,702 INFO L240 hiAutomatonCegarLoop]: Abstraction has 124 states and 215 transitions. [2023-11-19 07:46:52,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:46:52,703 INFO L428 stractBuchiCegarLoop]: Abstraction has 124 states and 215 transitions. [2023-11-19 07:46:52,703 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-19 07:46:52,704 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 215 transitions. [2023-11-19 07:46:52,705 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2023-11-19 07:46:52,706 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:52,706 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:52,707 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] [2023-11-19 07:46:52,707 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] [2023-11-19 07:46:52,708 INFO L748 eck$LassoCheckResult]: Stem: 835#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 836#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; 850#L404 assume !(1 == ~c_req_up~0); 873#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 819#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 820#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 861#L425-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 847#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 848#L435-1 assume !(0 == ~e_f~0); 825#L440-1 assume !(0 == ~e_g~0); 826#L445-1 assume !(0 == ~e_e~0); 853#L450-1 assume !(0 == ~e_c~0); 817#L455-1 assume !(0 == ~e_wl~0); 818#L460-1 assume !(1 == ~wl_pc~0); 886#$Ultimate##44 assume !(2 == ~wl_pc~0); 864#L473 assume !(1 == ~c1_pc~0); 896#L483 assume !(1 == ~c2_pc~0); 807#L492 assume !(1 == ~wb_pc~0); 852#L501 assume !(1 == ~e_c~0); 834#L510-1 assume !(1 == ~e_e~0); 821#L515-1 assume !(1 == ~e_f~0); 804#L520-1 assume !(1 == ~e_g~0); 805#L525-1 assume !(1 == ~e_c~0); 854#L530-1 assume !(1 == ~e_wl~0); 802#L672-1 [2023-11-19 07:46:52,708 INFO L750 eck$LassoCheckResult]: Loop: 802#L672-1 assume !false; 788#L542 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; 789#L377 assume !false; 785#L295 assume !(0 == ~wl_st~0); 787#L299 assume !(0 == ~c1_st~0); 846#L302 assume !(0 == ~c2_st~0); 876#L305 assume !(0 == ~wb_st~0); 796#L308 assume !(0 == ~r_st~0); 797#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; 875#L548 assume !(1 == ~c_req_up~0); 794#L548-2 start_simulation_~kernel_st~0#1 := 3; 795#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 824#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 814#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 815#L570-1 assume 0 == ~e_c~0;~e_c~0 := 1; 842#L575-1 assume !(0 == ~e_wl~0); 843#L580-1 assume !(1 == ~wl_pc~0); 883#$Ultimate##251 assume !(2 == ~wl_pc~0); 885#L593 assume !(1 == ~c1_pc~0); 860#L603 assume !(1 == ~c2_pc~0); 779#L612 assume !(1 == ~wb_pc~0); 781#L621 assume 1 == ~e_c~0;~r_st~0 := 0; 869#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 870#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 902#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 900#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 798#L650-1 assume !(1 == ~e_wl~0); 799#L655-1 assume 0 == ~wl_st~0; 802#L672-1 [2023-11-19 07:46:52,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:52,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1738539627, now seen corresponding path program 1 times [2023-11-19 07:46:52,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:52,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449457364] [2023-11-19 07:46:52,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:52,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:52,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:52,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:52,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449457364] [2023-11-19 07:46:52,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449457364] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:52,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:52,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:46:52,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370064894] [2023-11-19 07:46:52,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:52,745 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:46:52,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:52,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1401973316, now seen corresponding path program 1 times [2023-11-19 07:46:52,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:52,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095928521] [2023-11-19 07:46:52,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:52,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:52,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:52,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:52,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095928521] [2023-11-19 07:46:52,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095928521] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:52,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:52,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:46:52,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471019090] [2023-11-19 07:46:52,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:52,785 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:46:52,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:52,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:46:52,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:46:52,786 INFO L87 Difference]: Start difference. First operand 124 states and 215 transitions. cyclomatic complexity: 92 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) [2023-11-19 07:46:52,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:52,809 INFO L93 Difference]: Finished difference Result 124 states and 214 transitions. [2023-11-19 07:46:52,809 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 214 transitions. [2023-11-19 07:46:52,811 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2023-11-19 07:46:52,812 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 124 states and 214 transitions. [2023-11-19 07:46:52,812 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 124 [2023-11-19 07:46:52,813 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 124 [2023-11-19 07:46:52,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 124 states and 214 transitions. [2023-11-19 07:46:52,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:46:52,814 INFO L218 hiAutomatonCegarLoop]: Abstraction has 124 states and 214 transitions. [2023-11-19 07:46:52,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states and 214 transitions. [2023-11-19 07:46:52,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2023-11-19 07:46:52,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.7258064516129032) internal successors, (214), 123 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:52,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 214 transitions. [2023-11-19 07:46:52,835 INFO L240 hiAutomatonCegarLoop]: Abstraction has 124 states and 214 transitions. [2023-11-19 07:46:52,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:46:52,841 INFO L428 stractBuchiCegarLoop]: Abstraction has 124 states and 214 transitions. [2023-11-19 07:46:52,841 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-19 07:46:52,841 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 214 transitions. [2023-11-19 07:46:52,842 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2023-11-19 07:46:52,843 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:52,843 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:52,844 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] [2023-11-19 07:46:52,844 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] [2023-11-19 07:46:52,845 INFO L748 eck$LassoCheckResult]: Stem: 1090#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1091#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 1105#L404 assume !(1 == ~c_req_up~0); 1128#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1074#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1075#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1116#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1102#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1103#L435-1 assume !(0 == ~e_f~0); 1080#L440-1 assume !(0 == ~e_g~0); 1081#L445-1 assume !(0 == ~e_e~0); 1108#L450-1 assume !(0 == ~e_c~0); 1072#L455-1 assume !(0 == ~e_wl~0); 1073#L460-1 assume !(1 == ~wl_pc~0); 1141#$Ultimate##44 assume !(2 == ~wl_pc~0); 1119#L473 assume !(1 == ~c1_pc~0); 1151#L483 assume !(1 == ~c2_pc~0); 1062#L492 assume !(1 == ~wb_pc~0); 1107#L501 assume !(1 == ~e_c~0); 1089#L510-1 assume !(1 == ~e_e~0); 1076#L515-1 assume !(1 == ~e_f~0); 1059#L520-1 assume !(1 == ~e_g~0); 1060#L525-1 assume !(1 == ~e_c~0); 1109#L530-1 assume !(1 == ~e_wl~0); 1057#L672-1 [2023-11-19 07:46:52,845 INFO L750 eck$LassoCheckResult]: Loop: 1057#L672-1 assume !false; 1043#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 1044#L377 assume !false; 1040#L295 assume !(0 == ~wl_st~0); 1042#L299 assume !(0 == ~c1_st~0); 1101#L302 assume !(0 == ~c2_st~0); 1131#L305 assume !(0 == ~wb_st~0); 1051#L308 assume !(0 == ~r_st~0); 1052#eval_returnLabel#1 havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 1130#L548 assume !(1 == ~c_req_up~0); 1049#L548-2 start_simulation_~kernel_st~0#1 := 3; 1050#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 1079#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1069#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 1070#L570-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1097#L575-1 assume !(0 == ~e_wl~0); 1098#L580-1 assume !(1 == ~wl_pc~0); 1138#$Ultimate##251 assume !(2 == ~wl_pc~0); 1140#L593 assume !(1 == ~c1_pc~0); 1115#L603 assume !(1 == ~c2_pc~0); 1034#L612 assume !(1 == ~wb_pc~0); 1036#L621 assume 1 == ~e_c~0;~r_st~0 := 0; 1124#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1125#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1157#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1155#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1053#L650-1 assume !(1 == ~e_wl~0); 1054#L655-1 assume 0 == ~wl_st~0; 1057#L672-1 [2023-11-19 07:46:52,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:52,846 INFO L85 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 1 times [2023-11-19 07:46:52,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:52,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129742525] [2023-11-19 07:46:52,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:52,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:52,872 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:52,927 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:52,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:52,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1401973316, now seen corresponding path program 2 times [2023-11-19 07:46:52,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:52,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680673814] [2023-11-19 07:46:52,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:52,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:52,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:52,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:52,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680673814] [2023-11-19 07:46:52,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680673814] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:52,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:52,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:46:52,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316969476] [2023-11-19 07:46:52,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:52,989 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:46:52,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:52,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:46:52,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:46:52,990 INFO L87 Difference]: Start difference. First operand 124 states and 214 transitions. cyclomatic complexity: 91 Second operand has 3 states, 2 states have (on average 14.0) 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) [2023-11-19 07:46:53,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:53,036 INFO L93 Difference]: Finished difference Result 180 states and 306 transitions. [2023-11-19 07:46:53,037 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 180 states and 306 transitions. [2023-11-19 07:46:53,040 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 149 [2023-11-19 07:46:53,043 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 180 states to 180 states and 306 transitions. [2023-11-19 07:46:53,043 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 180 [2023-11-19 07:46:53,045 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 180 [2023-11-19 07:46:53,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 180 states and 306 transitions. [2023-11-19 07:46:53,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:46:53,052 INFO L218 hiAutomatonCegarLoop]: Abstraction has 180 states and 306 transitions. [2023-11-19 07:46:53,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states and 306 transitions. [2023-11-19 07:46:53,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2023-11-19 07:46:53,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 180 states have (on average 1.7) internal successors, (306), 179 states have internal predecessors, (306), 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) [2023-11-19 07:46:53,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 306 transitions. [2023-11-19 07:46:53,075 INFO L240 hiAutomatonCegarLoop]: Abstraction has 180 states and 306 transitions. [2023-11-19 07:46:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:46:53,076 INFO L428 stractBuchiCegarLoop]: Abstraction has 180 states and 306 transitions. [2023-11-19 07:46:53,077 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-19 07:46:53,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 180 states and 306 transitions. [2023-11-19 07:46:53,079 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 149 [2023-11-19 07:46:53,081 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:53,081 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:53,082 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] [2023-11-19 07:46:53,085 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] [2023-11-19 07:46:53,086 INFO L748 eck$LassoCheckResult]: Stem: 1400#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1401#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 1415#L404 assume !(1 == ~c_req_up~0); 1438#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1385#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1386#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1426#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1412#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1413#L435-1 assume !(0 == ~e_f~0); 1391#L440-1 assume !(0 == ~e_g~0); 1392#L445-1 assume !(0 == ~e_e~0); 1418#L450-1 assume !(0 == ~e_c~0); 1383#L455-1 assume !(0 == ~e_wl~0); 1384#L460-1 assume !(1 == ~wl_pc~0); 1453#$Ultimate##44 assume !(2 == ~wl_pc~0); 1429#L473 assume !(1 == ~c1_pc~0); 1465#L483 assume !(1 == ~c2_pc~0); 1373#L492 assume !(1 == ~wb_pc~0); 1417#L501 assume !(1 == ~e_c~0); 1399#L510-1 assume !(1 == ~e_e~0); 1387#L515-1 assume !(1 == ~e_f~0); 1370#L520-1 assume !(1 == ~e_g~0); 1371#L525-1 assume !(1 == ~e_c~0); 1419#L530-1 assume !(1 == ~e_wl~0); 1457#L672-1 [2023-11-19 07:46:53,087 INFO L750 eck$LassoCheckResult]: Loop: 1457#L672-1 assume !false; 1475#L542 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; 1474#L377 assume !false; 1473#L295 assume !(0 == ~wl_st~0); 1351#L299 assume !(0 == ~c1_st~0); 1411#L302 assume !(0 == ~c2_st~0); 1441#L305 assume !(0 == ~wb_st~0); 1361#L308 assume !(0 == ~r_st~0); 1363#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; 1440#L548 assume !(1 == ~c_req_up~0); 1359#L548-2 start_simulation_~kernel_st~0#1 := 3; 1360#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 1390#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1374#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 1375#L570-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1403#L575-1 assume !(0 == ~e_wl~0); 1404#L580-1 assume 1 == ~wl_pc~0; 1464#L586 assume 1 == ~e_wl~0;~wl_st~0 := 0; 1462#L593 assume !(1 == ~c1_pc~0); 1521#L603 assume !(1 == ~c2_pc~0); 1520#L612 assume !(1 == ~wb_pc~0); 1518#L621 assume 1 == ~e_c~0;~r_st~0 := 0; 1517#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1516#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1515#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1514#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1513#L650-1 assume !(1 == ~e_wl~0); 1511#L655-1 assume 0 == ~wl_st~0; 1457#L672-1 [2023-11-19 07:46:53,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:53,088 INFO L85 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 2 times [2023-11-19 07:46:53,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:53,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36350388] [2023-11-19 07:46:53,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:53,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:53,116 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:53,128 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:53,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:53,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1951233037, now seen corresponding path program 3 times [2023-11-19 07:46:53,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:53,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829660897] [2023-11-19 07:46:53,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:53,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:53,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:53,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:53,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829660897] [2023-11-19 07:46:53,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829660897] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:53,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:53,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:46:53,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252563456] [2023-11-19 07:46:53,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:53,153 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:46:53,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:53,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:46:53,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:46:53,154 INFO L87 Difference]: Start difference. First operand 180 states and 306 transitions. cyclomatic complexity: 127 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) [2023-11-19 07:46:53,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:53,195 INFO L93 Difference]: Finished difference Result 335 states and 566 transitions. [2023-11-19 07:46:53,195 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 335 states and 566 transitions. [2023-11-19 07:46:53,199 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 288 [2023-11-19 07:46:53,203 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 335 states to 335 states and 566 transitions. [2023-11-19 07:46:53,203 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 335 [2023-11-19 07:46:53,204 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 335 [2023-11-19 07:46:53,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 335 states and 566 transitions. [2023-11-19 07:46:53,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:46:53,205 INFO L218 hiAutomatonCegarLoop]: Abstraction has 335 states and 566 transitions. [2023-11-19 07:46:53,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states and 566 transitions. [2023-11-19 07:46:53,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 333. [2023-11-19 07:46:53,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 333 states have (on average 1.6936936936936937) internal successors, (564), 332 states have internal predecessors, (564), 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) [2023-11-19 07:46:53,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 564 transitions. [2023-11-19 07:46:53,214 INFO L240 hiAutomatonCegarLoop]: Abstraction has 333 states and 564 transitions. [2023-11-19 07:46:53,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:46:53,215 INFO L428 stractBuchiCegarLoop]: Abstraction has 333 states and 564 transitions. [2023-11-19 07:46:53,215 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-19 07:46:53,215 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 333 states and 564 transitions. [2023-11-19 07:46:53,218 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 286 [2023-11-19 07:46:53,218 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:53,218 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:53,219 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:53,220 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] [2023-11-19 07:46:53,220 INFO L748 eck$LassoCheckResult]: Stem: 1925#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1926#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; 1943#L404 assume !(1 == ~c_req_up~0); 1965#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1907#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1908#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1952#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1938#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1939#L435-1 assume !(0 == ~e_f~0); 1913#L440-1 assume !(0 == ~e_g~0); 1914#L445-1 assume !(0 == ~e_e~0); 1944#L450-1 assume !(0 == ~e_c~0); 1904#L455-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1905#L460-1 assume !(1 == ~wl_pc~0); 2152#$Ultimate##44 assume !(2 == ~wl_pc~0); 2007#L473 assume !(1 == ~c1_pc~0); 2070#L483 assume !(1 == ~c2_pc~0); 2061#L492 assume !(1 == ~wb_pc~0); 1954#L501 assume !(1 == ~e_c~0); 1923#L510-1 assume !(1 == ~e_e~0); 1909#L515-1 assume !(1 == ~e_f~0); 1891#L520-1 assume !(1 == ~e_g~0); 1892#L525-1 assume !(1 == ~e_c~0); 1945#L530-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1987#L672-1 [2023-11-19 07:46:53,220 INFO L750 eck$LassoCheckResult]: Loop: 1987#L672-1 assume !false; 2014#L542 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; 2015#L377 assume !false; 2084#L295 assume !(0 == ~wl_st~0); 1936#L299 assume !(0 == ~c1_st~0); 1937#L302 assume !(0 == ~c2_st~0); 1968#L305 assume !(0 == ~wb_st~0); 1882#L308 assume !(0 == ~r_st~0); 1884#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; 1967#L548 assume !(1 == ~c_req_up~0); 1880#L548-2 start_simulation_~kernel_st~0#1 := 3; 1881#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 1912#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1901#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 1902#L570-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1931#L575-1 assume !(0 == ~e_wl~0); 1932#L580-1 assume 1 == ~wl_pc~0; 2004#L586 assume 1 == ~e_wl~0;~wl_st~0 := 0; 1997#L593 assume !(1 == ~c1_pc~0); 2039#L603 assume !(1 == ~c2_pc~0); 2038#L612 assume !(1 == ~wb_pc~0); 2036#L621 assume 1 == ~e_c~0;~r_st~0 := 0; 2034#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 2031#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 2028#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 2025#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 2022#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 2019#L655-1 assume 0 == ~wl_st~0; 1987#L672-1 [2023-11-19 07:46:53,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:53,221 INFO L85 PathProgramCache]: Analyzing trace with hash -2560361, now seen corresponding path program 1 times [2023-11-19 07:46:53,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:53,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926186022] [2023-11-19 07:46:53,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:53,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:53,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:53,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:53,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926186022] [2023-11-19 07:46:53,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926186022] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:53,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:53,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:46:53,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189322793] [2023-11-19 07:46:53,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:53,294 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:46:53,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:53,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1951233099, now seen corresponding path program 1 times [2023-11-19 07:46:53,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:53,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860145818] [2023-11-19 07:46:53,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:53,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:53,301 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:53,309 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:53,691 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:46:53,691 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:46:53,692 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:46:53,692 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:46:53,692 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:46:53,692 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:53,692 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:46:53,692 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:46:53,692 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration7_Loop [2023-11-19 07:46:53,692 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:46:53,693 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:46:53,712 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:53,722 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:53,728 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:53,731 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:53,734 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:53,737 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:53,740 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:53,745 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:53,748 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:53,750 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:53,753 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:53,756 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:53,758 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:53,764 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:53,767 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:53,770 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:53,773 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:53,778 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:53,781 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:53,786 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:53,789 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:53,792 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:53,798 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:53,800 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:53,803 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:53,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,070 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:46:54,071 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:46:54,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:54,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:54,079 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:54,090 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:46:54,091 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:46:54,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 07:46:54,119 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:46:54,119 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:46:54,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:54,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:54,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:54,145 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:54,153 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:46:54,154 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:46:54,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 07:46:54,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:54,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:54,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:54,199 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:54,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 07:46:54,207 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:46:54,207 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:46:54,245 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:46:54,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:54,263 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:46:54,263 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:46:54,264 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:46:54,264 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:46:54,264 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:46:54,264 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:54,264 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:46:54,264 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:46:54,264 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration7_Loop [2023-11-19 07:46:54,264 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:46:54,264 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:46:54,267 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,273 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,288 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,291 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,304 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,307 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,310 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,322 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,324 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,327 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,330 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,338 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,341 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,350 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,353 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,356 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,362 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,365 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,370 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,373 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,376 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,379 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,384 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,386 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,389 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,612 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:46:54,617 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:46:54,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:54,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:54,619 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:54,631 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 [2023-11-19 07:46:54,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:54,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:54,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:54,645 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-19 07:46:54,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:54,647 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-19 07:46:54,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:54,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 07:46:54,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:54,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:54,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:54,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:54,687 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:54,699 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 [2023-11-19 07:46:54,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-19 07:46:54,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:54,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:54,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:54,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:54,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:54,712 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:54,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:54,722 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:46:54,726 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:46:54,726 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-19 07:46:54,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:54,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:54,759 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:54,770 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:46:54,770 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:46:54,770 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:46:54,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-19 07:46:54,771 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -1*~e_c~0 + 1 Supporting invariants [] [2023-11-19 07:46:54,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:54,791 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:46:54,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:54,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:46:54,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:54,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:46:54,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:54,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:54,999 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 [2023-11-19 07:46:55,000 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 333 states and 564 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) [2023-11-19 07:46:55,118 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 333 states and 564 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 1203 states and 2018 transitions. Complement of second has 5 states. [2023-11-19 07:46:55,119 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 [2023-11-19 07:46:55,120 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) [2023-11-19 07:46:55,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 376 transitions. [2023-11-19 07:46:55,123 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 376 transitions. Stem has 24 letters. Loop has 28 letters. [2023-11-19 07:46:55,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:55,124 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 376 transitions. Stem has 52 letters. Loop has 28 letters. [2023-11-19 07:46:55,125 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:55,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 376 transitions. Stem has 24 letters. Loop has 56 letters. [2023-11-19 07:46:55,127 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:55,128 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1203 states and 2018 transitions. [2023-11-19 07:46:55,140 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 858 [2023-11-19 07:46:55,157 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1203 states to 1203 states and 2018 transitions. [2023-11-19 07:46:55,157 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 906 [2023-11-19 07:46:55,159 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 911 [2023-11-19 07:46:55,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1203 states and 2018 transitions. [2023-11-19 07:46:55,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:46:55,160 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1203 states and 2018 transitions. [2023-11-19 07:46:55,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states and 2018 transitions. [2023-11-19 07:46:55,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:55,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 912. [2023-11-19 07:46:55,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 912 states have (on average 1.6798245614035088) internal successors, (1532), 911 states have internal predecessors, (1532), 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) [2023-11-19 07:46:55,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1532 transitions. [2023-11-19 07:46:55,201 INFO L240 hiAutomatonCegarLoop]: Abstraction has 912 states and 1532 transitions. [2023-11-19 07:46:55,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:55,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:46:55,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:46:55,202 INFO L87 Difference]: Start difference. First operand 912 states and 1532 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 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) [2023-11-19 07:46:55,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:55,309 INFO L93 Difference]: Finished difference Result 1522 states and 2526 transitions. [2023-11-19 07:46:55,309 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1522 states and 2526 transitions. [2023-11-19 07:46:55,324 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1015 [2023-11-19 07:46:55,339 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1522 states to 1522 states and 2526 transitions. [2023-11-19 07:46:55,339 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1118 [2023-11-19 07:46:55,341 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1118 [2023-11-19 07:46:55,341 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1522 states and 2526 transitions. [2023-11-19 07:46:55,341 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:46:55,341 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1522 states and 2526 transitions. [2023-11-19 07:46:55,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1522 states and 2526 transitions. [2023-11-19 07:46:55,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1522 to 1469. [2023-11-19 07:46:55,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1469 states, 1469 states have (on average 1.6589516678012253) internal successors, (2437), 1468 states have internal predecessors, (2437), 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) [2023-11-19 07:46:55,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 2437 transitions. [2023-11-19 07:46:55,380 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1469 states and 2437 transitions. [2023-11-19 07:46:55,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:46:55,381 INFO L428 stractBuchiCegarLoop]: Abstraction has 1469 states and 2437 transitions. [2023-11-19 07:46:55,381 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-19 07:46:55,382 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1469 states and 2437 transitions. [2023-11-19 07:46:55,392 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1013 [2023-11-19 07:46:55,392 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:55,392 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:55,393 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] [2023-11-19 07:46:55,393 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] [2023-11-19 07:46:55,393 INFO L748 eck$LassoCheckResult]: Stem: 6118#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 6119#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 6148#L404 assume !(1 == ~c_req_up~0); 6191#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 6088#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 6089#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 6165#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 6142#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 6143#L435-1 assume !(0 == ~e_f~0); 6099#L440-1 assume !(0 == ~e_g~0); 6100#L445-1 assume !(0 == ~e_e~0); 6151#L450-1 assume !(0 == ~e_c~0); 6086#L455-1 assume !(0 == ~e_wl~0); 6087#L460-1 assume !(1 == ~wl_pc~0); 6227#$Ultimate##44 assume !(2 == ~wl_pc~0); 6173#L473 assume !(1 == ~c1_pc~0); 6291#L483 assume !(1 == ~c2_pc~0); 6287#L492 assume !(1 == ~wb_pc~0); 6150#L501 assume !(1 == ~e_c~0); 6116#L510-1 assume !(1 == ~e_e~0); 6117#L515-1 assume 1 == ~e_f~0;~e_f~0 := 2; 6064#L520-1 assume !(1 == ~e_g~0); 6065#L525-1 assume !(1 == ~e_c~0); 6152#L530-1 assume !(1 == ~e_wl~0); 6196#L672-1 [2023-11-19 07:46:55,394 INFO L750 eck$LassoCheckResult]: Loop: 6196#L672-1 assume !false; 6030#L542 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; 6031#L377 assume !false; 6297#L295 assume !(0 == ~wl_st~0); 7264#L299 assume !(0 == ~c1_st~0); 7263#L302 assume !(0 == ~c2_st~0); 7262#L305 assume !(0 == ~wb_st~0); 7260#L308 assume !(0 == ~r_st~0); 7259#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; 7257#L548 assume !(1 == ~c_req_up~0); 7256#L548-2 start_simulation_~kernel_st~0#1 := 3; 7255#L560 assume 0 == ~e_f~0;~e_f~0 := 1; 7130#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 6080#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 6081#L570-1 assume 0 == ~e_c~0;~e_c~0 := 1; 6969#L575-1 assume !(0 == ~e_wl~0); 6898#L580-1 assume 1 == ~wl_pc~0; 6964#L586 assume 1 == ~e_wl~0;~wl_st~0 := 0; 6235#L593 assume !(1 == ~c1_pc~0); 6162#L603 assume !(1 == ~c2_pc~0); 6014#L612 assume !(1 == ~wb_pc~0); 6016#L621 assume 1 == ~e_c~0;~r_st~0 := 0; 6970#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 6925#L635-1 assume 1 == ~e_f~0;~e_f~0 := 2; 6924#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 6922#L645-1 assume 1 == ~e_c~0;~e_c~0 := 2; 6921#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 6899#L655-1 assume 0 == ~wl_st~0; 6196#L672-1 [2023-11-19 07:46:55,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:55,394 INFO L85 PathProgramCache]: Analyzing trace with hash 255545497, now seen corresponding path program 1 times [2023-11-19 07:46:55,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:55,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763559835] [2023-11-19 07:46:55,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:55,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:55,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:55,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:55,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763559835] [2023-11-19 07:46:55,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763559835] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:55,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:55,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:46:55,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184297439] [2023-11-19 07:46:55,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:55,442 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:46:55,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:55,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1951233099, now seen corresponding path program 2 times [2023-11-19 07:46:55,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:55,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791833142] [2023-11-19 07:46:55,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:55,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:55,449 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:55,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:55,457 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:55,780 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:46:55,780 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:46:55,780 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:46:55,781 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:46:55,781 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:46:55,781 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:55,781 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:46:55,781 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:46:55,781 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration8_Loop [2023-11-19 07:46:55,781 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:46:55,781 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:46:55,783 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:55,786 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:55,788 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:55,791 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:55,793 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:55,796 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:55,801 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:55,803 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:55,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:55,811 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:55,816 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:55,820 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:55,823 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:55,825 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:55,830 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:55,832 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:55,834 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:55,836 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:55,838 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:55,840 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:55,842 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:55,847 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:55,850 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:55,852 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:55,855 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:55,859 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,082 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:46:56,082 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:46:56,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:56,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:56,083 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:56,090 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:46:56,091 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:46:56,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-19 07:46:56,113 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:46:56,113 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:46:56,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:56,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:56,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:56,137 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:56,146 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:46:56,146 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:46:56,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-19 07:46:56,174 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:46:56,174 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: [] [2023-11-19 07:46:56,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:56,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:56,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:56,198 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:56,201 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:46:56,201 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:46:56,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-19 07:46:56,219 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:46:56,219 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: [] [2023-11-19 07:46:56,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:56,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:56,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:56,243 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:56,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-19 07:46:56,246 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:46:56,246 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:46:56,268 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:46:56,268 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: [] [2023-11-19 07:46:56,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:56,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:56,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:56,291 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:56,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-19 07:46:56,298 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:46:56,298 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:46:56,348 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:46:56,348 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:46:56,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:56,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:56,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:56,373 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:56,379 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:46:56,380 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:46:56,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-19 07:46:56,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:56,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:56,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:56,422 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:56,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-19 07:46:56,426 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:46:56,427 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:46:56,448 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:46:56,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:56,472 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:46:56,472 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:46:56,472 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:46:56,472 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:46:56,472 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:46:56,472 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:56,473 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:46:56,473 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:46:56,473 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration8_Loop [2023-11-19 07:46:56,473 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:46:56,473 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:46:56,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,480 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,483 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,485 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,493 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,495 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,501 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,504 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,509 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,511 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,517 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,519 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,521 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,526 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,529 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,531 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,533 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,536 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,541 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,544 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,547 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,549 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,552 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,812 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:46:56,813 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:46:56,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:56,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:56,814 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:56,821 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 [2023-11-19 07:46:56,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:56,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:56,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:56,833 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-19 07:46:56,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:56,834 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-19 07:46:56,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:56,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-19 07:46:56,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:56,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:56,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:56,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:56,882 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:56,891 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 [2023-11-19 07:46:56,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:56,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:56,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:56,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:56,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:56,904 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:56,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:56,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-19 07:46:56,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:56,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:56,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:56,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:56,939 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:56,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:56,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:56,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:56,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:56,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:56,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:56,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:56,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:56,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-19 07:46:56,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:56,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:56,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:56,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:56,997 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:57,008 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 [2023-11-19 07:46:57,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-19 07:46:57,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:57,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:57,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:57,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:57,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:57,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:57,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:57,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:57,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:57,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:57,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:57,045 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:57,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-19 07:46:57,050 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 [2023-11-19 07:46:57,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:57,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:57,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:57,060 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-19 07:46:57,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:57,061 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-19 07:46:57,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:57,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:57,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:57,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:57,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:57,097 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:57,107 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 [2023-11-19 07:46:57,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-19 07:46:57,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:57,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:57,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:57,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:57,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:57,119 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:57,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:57,130 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:46:57,133 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:46:57,133 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-19 07:46:57,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:57,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:57,134 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:57,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-19 07:46:57,138 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:46:57,141 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:46:57,141 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:46:57,142 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -1*~e_c~0 + 1 Supporting invariants [] [2023-11-19 07:46:57,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:57,166 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:46:57,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:57,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:46:57,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:57,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:46:57,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:57,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:57,335 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 [2023-11-19 07:46:57,335 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1469 states and 2437 transitions. cyclomatic complexity: 973 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) [2023-11-19 07:46:57,403 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1469 states and 2437 transitions. cyclomatic complexity: 973. 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 3132 states and 5186 transitions. Complement of second has 5 states. [2023-11-19 07:46:57,403 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 [2023-11-19 07:46:57,405 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) [2023-11-19 07:46:57,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 374 transitions. [2023-11-19 07:46:57,406 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 374 transitions. Stem has 24 letters. Loop has 28 letters. [2023-11-19 07:46:57,408 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:57,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 374 transitions. Stem has 52 letters. Loop has 28 letters. [2023-11-19 07:46:57,408 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:57,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 374 transitions. Stem has 24 letters. Loop has 56 letters. [2023-11-19 07:46:57,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:57,410 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3132 states and 5186 transitions. [2023-11-19 07:46:57,442 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 2026 [2023-11-19 07:46:57,471 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3132 states to 3132 states and 5186 transitions. [2023-11-19 07:46:57,472 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2087 [2023-11-19 07:46:57,475 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2096 [2023-11-19 07:46:57,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3132 states and 5186 transitions. [2023-11-19 07:46:57,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:46:57,476 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3132 states and 5186 transitions. [2023-11-19 07:46:57,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3132 states and 5186 transitions. [2023-11-19 07:46:57,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3132 to 1927. [2023-11-19 07:46:57,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1927 states, 1927 states have (on average 1.6564608199273483) internal successors, (3192), 1926 states have internal predecessors, (3192), 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) [2023-11-19 07:46:57,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1927 states to 1927 states and 3192 transitions. [2023-11-19 07:46:57,535 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1927 states and 3192 transitions. [2023-11-19 07:46:57,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:57,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:46:57,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:46:57,536 INFO L87 Difference]: Start difference. First operand 1927 states and 3192 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 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) [2023-11-19 07:46:57,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:57,663 INFO L93 Difference]: Finished difference Result 3375 states and 5492 transitions. [2023-11-19 07:46:57,663 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3375 states and 5492 transitions. [2023-11-19 07:46:57,696 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 1952 [2023-11-19 07:46:57,726 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3375 states to 3375 states and 5492 transitions. [2023-11-19 07:46:57,726 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2068 [2023-11-19 07:46:57,729 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2068 [2023-11-19 07:46:57,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3375 states and 5492 transitions. [2023-11-19 07:46:57,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:46:57,730 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3375 states and 5492 transitions. [2023-11-19 07:46:57,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3375 states and 5492 transitions. [2023-11-19 07:46:57,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3375 to 3342. [2023-11-19 07:46:57,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3342 states, 3342 states have (on average 1.6334530221424297) internal successors, (5459), 3341 states have internal predecessors, (5459), 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) [2023-11-19 07:46:57,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3342 states to 3342 states and 5459 transitions. [2023-11-19 07:46:57,882 INFO L240 hiAutomatonCegarLoop]: Abstraction has 3342 states and 5459 transitions. [2023-11-19 07:46:57,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:57,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:46:57,889 INFO L428 stractBuchiCegarLoop]: Abstraction has 3342 states and 5459 transitions. [2023-11-19 07:46:57,889 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-19 07:46:57,889 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3342 states and 5459 transitions. [2023-11-19 07:46:57,913 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 1946 [2023-11-19 07:46:57,913 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:57,913 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:57,914 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] [2023-11-19 07:46:57,914 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] [2023-11-19 07:46:57,915 INFO L748 eck$LassoCheckResult]: Stem: 16202#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 16203#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; 16235#L404 assume !(1 == ~c_req_up~0); 16284#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 16285#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 16256#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 16257#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 16230#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 16231#L435-1 assume !(0 == ~e_f~0); 16183#L440-1 assume !(0 == ~e_g~0); 16184#L445-1 assume !(0 == ~e_e~0); 16246#L450-1 assume 0 == ~e_c~0;~e_c~0 := 1; 16171#L455-1 assume !(0 == ~e_wl~0); 16172#L460-1 assume !(1 == ~wl_pc~0); 16358#$Ultimate##44 assume !(2 == ~wl_pc~0); 16266#L473 assume !(1 == ~c1_pc~0); 16371#L483 assume !(1 == ~c2_pc~0); 16152#L492 assume !(1 == ~wb_pc~0); 16263#L501 assume !(1 == ~e_c~0); 16264#L510-1 assume !(1 == ~e_e~0); 16422#L515-1 assume !(1 == ~e_f~0); 16423#L520-1 assume !(1 == ~e_g~0); 16418#L525-1 assume !(1 == ~e_c~0); 16419#L530-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 16340#L672-1 assume !false; 16440#L542 [2023-11-19 07:46:57,915 INFO L750 eck$LassoCheckResult]: Loop: 16440#L542 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; 18351#L377 assume !false; 18352#L295 assume !(0 == ~wl_st~0); 18748#L299 assume !(0 == ~c1_st~0); 18747#L302 assume !(0 == ~c2_st~0); 18746#L305 assume !(0 == ~wb_st~0); 18094#L308 assume !(0 == ~r_st~0); 16347#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; 16348#L548 assume !(1 == ~c_req_up~0); 18470#L548-2 start_simulation_~kernel_st~0#1 := 3; 18471#L560 assume !(0 == ~e_f~0); 18744#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 18737#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 18738#L570-1 assume !(0 == ~e_c~0); 18728#L575-1 assume !(0 == ~e_wl~0); 18726#L580-1 assume 1 == ~wl_pc~0; 18724#L586 assume 1 == ~e_wl~0;~wl_st~0 := 0; 18725#L593 assume !(1 == ~c1_pc~0); 18860#L603 assume !(1 == ~c2_pc~0); 18857#L612 assume !(1 == ~wb_pc~0); 18854#L621 assume 1 == ~e_c~0;~r_st~0 := 0; 18852#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 18850#L635-1 assume !(1 == ~e_f~0); 18847#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 18845#L645-1 assume !(1 == ~e_c~0); 18844#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 17610#L655-1 assume 0 == ~wl_st~0; 18841#L672-1 assume !false; 16440#L542 [2023-11-19 07:46:57,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:57,916 INFO L85 PathProgramCache]: Analyzing trace with hash 344940224, now seen corresponding path program 1 times [2023-11-19 07:46:57,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:57,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916544979] [2023-11-19 07:46:57,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:57,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:57,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:57,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:57,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916544979] [2023-11-19 07:46:57,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916544979] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:57,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:57,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:46:57,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481383032] [2023-11-19 07:46:57,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:57,964 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:46:57,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:57,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1890226441, now seen corresponding path program 1 times [2023-11-19 07:46:57,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:57,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432786953] [2023-11-19 07:46:57,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:57,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:57,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:57,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:57,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432786953] [2023-11-19 07:46:57,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432786953] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:57,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:57,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:46:57,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116882159] [2023-11-19 07:46:57,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:57,987 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:46:57,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:57,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:46:57,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:46:57,988 INFO L87 Difference]: Start difference. First operand 3342 states and 5459 transitions. cyclomatic complexity: 2132 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) [2023-11-19 07:46:58,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:58,087 INFO L93 Difference]: Finished difference Result 3395 states and 5500 transitions. [2023-11-19 07:46:58,087 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3395 states and 5500 transitions. [2023-11-19 07:46:58,119 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 1979 [2023-11-19 07:46:58,149 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3395 states to 3395 states and 5500 transitions. [2023-11-19 07:46:58,149 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2098 [2023-11-19 07:46:58,152 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2098 [2023-11-19 07:46:58,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3395 states and 5500 transitions. [2023-11-19 07:46:58,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:46:58,153 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3395 states and 5500 transitions. [2023-11-19 07:46:58,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3395 states and 5500 transitions. [2023-11-19 07:46:58,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3395 to 3141. [2023-11-19 07:46:58,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3141 states, 3141 states have (on average 1.6275071633237823) internal successors, (5112), 3140 states have internal predecessors, (5112), 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) [2023-11-19 07:46:58,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3141 states to 3141 states and 5112 transitions. [2023-11-19 07:46:58,234 INFO L240 hiAutomatonCegarLoop]: Abstraction has 3141 states and 5112 transitions. [2023-11-19 07:46:58,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:46:58,235 INFO L428 stractBuchiCegarLoop]: Abstraction has 3141 states and 5112 transitions. [2023-11-19 07:46:58,236 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-19 07:46:58,236 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3141 states and 5112 transitions. [2023-11-19 07:46:58,248 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 1979 [2023-11-19 07:46:58,249 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:58,249 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:58,251 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] [2023-11-19 07:46:58,252 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] [2023-11-19 07:46:58,252 INFO L748 eck$LassoCheckResult]: Stem: 22950#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 22951#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; 22980#L404 assume !(1 == ~c_req_up~0); 23044#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 22919#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 22920#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 23077#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 22975#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 22976#L435-1 assume !(0 == ~e_f~0); 22930#L440-1 assume !(0 == ~e_g~0); 22931#L445-1 assume !(0 == ~e_e~0); 22991#L450-1 assume !(0 == ~e_c~0); 22917#L455-1 assume !(0 == ~e_wl~0); 22918#L460-1 assume !(1 == ~wl_pc~0); 23086#$Ultimate##44 assume !(2 == ~wl_pc~0); 23010#L473 assume !(1 == ~c1_pc~0); 23157#L483 assume !(1 == ~c2_pc~0); 23156#L492 assume !(1 == ~wb_pc~0); 23150#L501 assume !(1 == ~e_c~0); 23151#L510-1 assume !(1 == ~e_e~0); 22921#L515-1 assume !(1 == ~e_f~0); 22922#L520-1 assume !(1 == ~e_g~0); 22985#L525-1 assume !(1 == ~e_c~0); 22986#L530-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 23074#L672-1 assume !false; 25327#L542 [2023-11-19 07:46:58,252 INFO L750 eck$LassoCheckResult]: Loop: 25327#L542 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; 25326#L377 assume !false; 25325#L295 assume !(0 == ~wl_st~0); 24890#L299 assume !(0 == ~c1_st~0); 24884#L302 assume !(0 == ~c2_st~0); 24885#L305 assume !(0 == ~wb_st~0); 24876#L308 assume !(0 == ~r_st~0); 24878#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; 24546#L548 assume !(1 == ~c_req_up~0); 24547#L548-2 start_simulation_~kernel_st~0#1 := 3; 22927#L560 assume !(0 == ~e_f~0); 22928#L560-2 assume 0 == ~e_g~0;~e_g~0 := 1; 23087#L565-1 assume 0 == ~e_e~0;~e_e~0 := 1; 25820#L570-1 assume !(0 == ~e_c~0); 25415#L575-1 assume !(0 == ~e_wl~0); 25412#L580-1 assume 1 == ~wl_pc~0; 25411#L586 assume 1 == ~e_wl~0;~wl_st~0 := 0; 23093#L593 assume !(1 == ~c1_pc~0); 25398#L603 assume !(1 == ~c2_pc~0); 25393#L612 assume !(1 == ~wb_pc~0); 25387#L621 assume !(1 == ~e_c~0); 25384#L630-1 assume 1 == ~e_e~0;~e_e~0 := 2; 25381#L635-1 assume !(1 == ~e_f~0); 25378#L640-1 assume 1 == ~e_g~0;~e_g~0 := 2; 25374#L645-1 assume !(1 == ~e_c~0); 25369#L650-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 25360#L655-1 assume 0 == ~wl_st~0; 25358#L672-1 assume !false; 25327#L542 [2023-11-19 07:46:58,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:58,253 INFO L85 PathProgramCache]: Analyzing trace with hash -666177026, now seen corresponding path program 1 times [2023-11-19 07:46:58,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:58,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848734001] [2023-11-19 07:46:58,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:58,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:58,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:58,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:58,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848734001] [2023-11-19 07:46:58,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848734001] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:58,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:58,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:46:58,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589672734] [2023-11-19 07:46:58,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:58,313 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:46:58,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:58,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1080879815, now seen corresponding path program 1 times [2023-11-19 07:46:58,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:58,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705359714] [2023-11-19 07:46:58,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:58,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:58,320 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:58,328 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:58,599 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:46:58,599 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:46:58,599 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:46:58,599 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:46:58,599 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:46:58,599 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:58,600 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:46:58,600 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:46:58,600 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration10_Loop [2023-11-19 07:46:58,600 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:46:58,600 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:46:58,602 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:58,605 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:58,607 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:58,610 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:58,613 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:58,619 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:58,622 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:58,625 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:58,628 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:58,631 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:58,636 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:58,641 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:58,644 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:58,649 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:58,652 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:58,655 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:58,660 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:58,663 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:58,665 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:58,667 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:58,670 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:58,673 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:58,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:58,680 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:58,682 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:58,684 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:58,918 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:46:58,919 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:46:58,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:58,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:58,922 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:58,926 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:46:58,926 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:46:58,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-19 07:46:58,949 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:46:58,949 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet4#1=0} Honda state: {ULTIMATE.start_eval_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:46:58,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:58,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:58,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:58,974 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:58,978 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:46:58,978 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:46:58,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-19 07:46:59,010 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:46:59,010 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp~0#1=0} Honda state: {ULTIMATE.start_eval_~tmp~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:46:59,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:59,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:59,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:59,027 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:59,030 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:46:59,030 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:46:59,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-19 07:46:59,062 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:46:59,062 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: [] [2023-11-19 07:46:59,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:59,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:59,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:59,082 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:59,086 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:46:59,086 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:46:59,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-19 07:46:59,114 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:46:59,114 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~r_st~0=-1} Honda state: {~r_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:46:59,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:59,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:59,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:59,138 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:59,142 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:46:59,142 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:46:59,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-19 07:46:59,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:59,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:59,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:59,193 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:59,195 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:46:59,196 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:46:59,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-19 07:46:59,218 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:46:59,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:59,241 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:46:59,241 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:46:59,241 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:46:59,242 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:46:59,242 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:46:59,242 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:59,242 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:46:59,242 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:46:59,242 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy2.cil.c_Iteration10_Loop [2023-11-19 07:46:59,242 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:46:59,242 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:46:59,244 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:59,246 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:59,248 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:59,251 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:59,256 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:59,259 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:59,261 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:59,263 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:59,332 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:59,337 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:59,342 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:59,345 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:59,347 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:59,351 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:59,354 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:59,357 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:59,359 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:59,364 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:59,366 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:59,368 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:59,371 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:59,374 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:59,376 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:59,381 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:59,383 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:59,385 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:59,608 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:46:59,608 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:46:59,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:59,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:59,610 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:59,614 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 [2023-11-19 07:46:59,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:59,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:59,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:59,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:59,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:59,627 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:59,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:59,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-19 07:46:59,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:59,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:59,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:59,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:59,669 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:59,675 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 [2023-11-19 07:46:59,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:59,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:59,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:59,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:59,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:59,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:59,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:59,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-19 07:46:59,705 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:59,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:59,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:59,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:59,725 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:59,735 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 [2023-11-19 07:46:59,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:59,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:59,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:59,747 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-19 07:46:59,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:59,748 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-19 07:46:59,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:59,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-19 07:46:59,761 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:59,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-19 07:46:59,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:59,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:59,778 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:59,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-19 07:46:59,781 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 [2023-11-19 07:46:59,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:59,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:59,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:59,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:59,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:59,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:59,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:59,801 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:46:59,803 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:46:59,803 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-19 07:46:59,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:59,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:59,804 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:59,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-19 07:46:59,806 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:46:59,806 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:46:59,806 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:46:59,806 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_e~0) = -1*~e_e~0 + 1 Supporting invariants [] [2023-11-19 07:46:59,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-11-19 07:46:59,844 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:46:59,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:59,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:46:59,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:59,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:46:59,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:00,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:00,029 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 [2023-11-19 07:47:00,030 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 3141 states and 5112 transitions. cyclomatic complexity: 1984 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) [2023-11-19 07:47:00,114 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 3141 states and 5112 transitions. cyclomatic complexity: 1984. 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 6730 states and 10970 transitions. Complement of second has 5 states. [2023-11-19 07:47:00,115 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 [2023-11-19 07:47:00,118 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) [2023-11-19 07:47:00,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 204 transitions. [2023-11-19 07:47:00,118 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 204 transitions. Stem has 25 letters. Loop has 28 letters. [2023-11-19 07:47:00,119 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:47:00,119 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 204 transitions. Stem has 53 letters. Loop has 28 letters. [2023-11-19 07:47:00,119 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:47:00,120 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 204 transitions. Stem has 25 letters. Loop has 56 letters. [2023-11-19 07:47:00,120 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:47:00,120 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6730 states and 10970 transitions. [2023-11-19 07:47:00,166 INFO L131 ngComponentsAnalysis]: Automaton has 15 accepting balls. 3115 [2023-11-19 07:47:00,227 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6730 states to 6730 states and 10970 transitions. [2023-11-19 07:47:00,227 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3227 [2023-11-19 07:47:00,234 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3262 [2023-11-19 07:47:00,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6730 states and 10970 transitions. [2023-11-19 07:47:00,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:47:00,235 INFO L218 hiAutomatonCegarLoop]: Abstraction has 6730 states and 10970 transitions. [2023-11-19 07:47:00,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6730 states and 10970 transitions. [2023-11-19 07:47:00,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6730 to 6695. [2023-11-19 07:47:00,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6695 states, 6695 states have (on average 1.6298730395817775) internal successors, (10912), 6694 states have internal predecessors, (10912), 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) [2023-11-19 07:47:00,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6695 states to 6695 states and 10912 transitions. [2023-11-19 07:47:00,399 INFO L240 hiAutomatonCegarLoop]: Abstraction has 6695 states and 10912 transitions. [2023-11-19 07:47:00,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:00,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:47:00,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:47:00,400 INFO L87 Difference]: Start difference. First operand 6695 states and 10912 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) [2023-11-19 07:47:00,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:00,575 INFO L93 Difference]: Finished difference Result 7180 states and 11526 transitions. [2023-11-19 07:47:00,576 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7180 states and 11526 transitions. [2023-11-19 07:47:00,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-19 07:47:00,616 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 2859 [2023-11-19 07:47:00,652 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7180 states to 7180 states and 11526 transitions. [2023-11-19 07:47:00,652 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2935 [2023-11-19 07:47:00,656 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2935 [2023-11-19 07:47:00,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7180 states and 11526 transitions. [2023-11-19 07:47:00,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:47:00,657 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7180 states and 11526 transitions. [2023-11-19 07:47:00,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7180 states and 11526 transitions. [2023-11-19 07:47:00,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7180 to 7168. [2023-11-19 07:47:00,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7168 states, 7168 states have (on average 1.6063058035714286) internal successors, (11514), 7167 states have internal predecessors, (11514), 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) [2023-11-19 07:47:00,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7168 states to 7168 states and 11514 transitions. [2023-11-19 07:47:00,815 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7168 states and 11514 transitions. [2023-11-19 07:47:00,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:47:00,816 INFO L428 stractBuchiCegarLoop]: Abstraction has 7168 states and 11514 transitions. [2023-11-19 07:47:00,816 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-19 07:47:00,817 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7168 states and 11514 transitions. [2023-11-19 07:47:00,844 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 2859 [2023-11-19 07:47:00,844 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:47:00,845 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:47:00,845 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] [2023-11-19 07:47:00,845 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:00,846 INFO L748 eck$LassoCheckResult]: Stem: 46881#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 46882#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 46917#L404 assume !(1 == ~c_req_up~0); 46965#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 46849#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 46850#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 47017#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 46909#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 46910#L435-1 assume !(0 == ~e_f~0); 46861#L440-1 assume !(0 == ~e_g~0); 46862#L445-1 assume !(0 == ~e_e~0); 46920#L450-1 assume !(0 == ~e_c~0); 46847#L455-1 assume !(0 == ~e_wl~0); 46848#L460-1 assume !(1 == ~wl_pc~0); 47002#$Ultimate##44 assume !(2 == ~wl_pc~0); 46947#L473 assume !(1 == ~c1_pc~0); 47042#L483 assume !(1 == ~c2_pc~0); 46827#L492 assume !(1 == ~wb_pc~0); 46942#L501 assume !(1 == ~e_c~0); 46943#L510-1 assume !(1 == ~e_e~0); 46851#L515-1 assume !(1 == ~e_f~0); 46852#L520-1 assume !(1 == ~e_g~0); 46921#L525-1 assume !(1 == ~e_c~0); 46922#L530-1 assume !(1 == ~e_wl~0); 47014#L672-1 assume !false; 49051#L542 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; 51668#L377 [2023-11-19 07:47:00,846 INFO L750 eck$LassoCheckResult]: Loop: 51668#L377 assume !false; 51666#L295 assume 0 == ~wl_st~0; 51663#L308-1 assume 0 == ~wl_st~0;havoc eval_#t~nondet4#1;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 51664#L321 assume !(0 != eval_~tmp~0#1); 51801#L317 assume !(0 == ~c1_st~0); 51794#L332 assume !(0 == ~c2_st~0); 51005#L347 assume !(0 == ~wb_st~0); 51002#L362 assume !(0 == ~r_st~0); 51668#L377 [2023-11-19 07:47:00,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:00,847 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 1 times [2023-11-19 07:47:00,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:00,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478569501] [2023-11-19 07:47:00,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:00,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:00,855 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:00,866 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:47:00,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:00,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1279860915, now seen corresponding path program 1 times [2023-11-19 07:47:00,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:00,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899920212] [2023-11-19 07:47:00,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:00,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:00,871 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:00,874 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:47:00,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:00,875 INFO L85 PathProgramCache]: Analyzing trace with hash 360906411, now seen corresponding path program 1 times [2023-11-19 07:47:00,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:00,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574424317] [2023-11-19 07:47:00,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:00,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:00,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:00,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:00,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:00,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574424317] [2023-11-19 07:47:00,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574424317] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:00,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:00,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:47:00,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960468133] [2023-11-19 07:47:00,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:00,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:00,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:47:00,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:47:00,941 INFO L87 Difference]: Start difference. First operand 7168 states and 11514 transitions. cyclomatic complexity: 4382 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) [2023-11-19 07:47:01,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:01,018 INFO L93 Difference]: Finished difference Result 11016 states and 17576 transitions. [2023-11-19 07:47:01,019 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11016 states and 17576 transitions. [2023-11-19 07:47:01,150 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 4438 [2023-11-19 07:47:01,190 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11016 states to 11016 states and 17576 transitions. [2023-11-19 07:47:01,190 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4518 [2023-11-19 07:47:01,196 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4518 [2023-11-19 07:47:01,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11016 states and 17576 transitions. [2023-11-19 07:47:01,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:47:01,197 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11016 states and 17576 transitions. [2023-11-19 07:47:01,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11016 states and 17576 transitions. [2023-11-19 07:47:01,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11016 to 11016. [2023-11-19 07:47:01,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11016 states, 11016 states have (on average 1.5954974582425563) internal successors, (17576), 11015 states have internal predecessors, (17576), 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) [2023-11-19 07:47:01,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11016 states to 11016 states and 17576 transitions. [2023-11-19 07:47:01,385 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11016 states and 17576 transitions. [2023-11-19 07:47:01,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:47:01,386 INFO L428 stractBuchiCegarLoop]: Abstraction has 11016 states and 17576 transitions. [2023-11-19 07:47:01,387 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2023-11-19 07:47:01,387 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11016 states and 17576 transitions. [2023-11-19 07:47:01,490 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 4438 [2023-11-19 07:47:01,491 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:47:01,491 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:47:01,491 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] [2023-11-19 07:47:01,491 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:01,492 INFO L748 eck$LassoCheckResult]: Stem: 65075#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 65076#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 65105#L404 assume !(1 == ~c_req_up~0); 65158#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 65044#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 65045#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 65213#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 65097#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 65098#L435-1 assume !(0 == ~e_f~0); 65054#L440-1 assume !(0 == ~e_g~0); 65055#L445-1 assume !(0 == ~e_e~0); 65108#L450-1 assume !(0 == ~e_c~0); 65042#L455-1 assume !(0 == ~e_wl~0); 65043#L460-1 assume !(1 == ~wl_pc~0); 65198#$Ultimate##44 assume !(2 == ~wl_pc~0); 65137#L473 assume !(1 == ~c1_pc~0); 65240#L483 assume !(1 == ~c2_pc~0); 65020#L492 assume !(1 == ~wb_pc~0); 65130#L501 assume !(1 == ~e_c~0); 65131#L510-1 assume !(1 == ~e_e~0); 65046#L515-1 assume !(1 == ~e_f~0); 65047#L520-1 assume !(1 == ~e_g~0); 65109#L525-1 assume !(1 == ~e_c~0); 65110#L530-1 assume !(1 == ~e_wl~0); 65210#L672-1 assume !false; 66474#L542 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; 70648#L377 [2023-11-19 07:47:01,492 INFO L750 eck$LassoCheckResult]: Loop: 70648#L377 assume !false; 72306#L295 assume 0 == ~wl_st~0; 72304#L308-1 assume 0 == ~wl_st~0;havoc eval_#t~nondet4#1;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 72300#L321 assume !(0 != eval_~tmp~0#1); 72301#L317 assume 0 == ~c1_st~0;havoc eval_#t~nondet5#1;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 72321#L336 assume !(0 != eval_~tmp___0~0#1); 72316#L332 assume !(0 == ~c2_st~0); 72315#L347 assume !(0 == ~wb_st~0); 72311#L362 assume !(0 == ~r_st~0); 70648#L377 [2023-11-19 07:47:01,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:01,493 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 2 times [2023-11-19 07:47:01,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:01,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862698566] [2023-11-19 07:47:01,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:01,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:01,502 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:01,511 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:47:01,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:01,512 INFO L85 PathProgramCache]: Analyzing trace with hash 969256162, now seen corresponding path program 1 times [2023-11-19 07:47:01,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:01,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000211822] [2023-11-19 07:47:01,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:01,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:01,516 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:01,519 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:47:01,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:01,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1748529686, now seen corresponding path program 1 times [2023-11-19 07:47:01,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:01,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687315686] [2023-11-19 07:47:01,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:01,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:01,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:01,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:01,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687315686] [2023-11-19 07:47:01,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687315686] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:01,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:01,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:47:01,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584159252] [2023-11-19 07:47:01,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:01,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:01,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:47:01,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:47:01,597 INFO L87 Difference]: Start difference. First operand 11016 states and 17576 transitions. cyclomatic complexity: 6596 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) [2023-11-19 07:47:01,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:01,716 INFO L93 Difference]: Finished difference Result 17164 states and 27055 transitions. [2023-11-19 07:47:01,716 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17164 states and 27055 transitions. [2023-11-19 07:47:01,810 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 6956 [2023-11-19 07:47:01,888 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17164 states to 17164 states and 27055 transitions. [2023-11-19 07:47:01,888 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7102 [2023-11-19 07:47:01,897 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7102 [2023-11-19 07:47:01,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17164 states and 27055 transitions. [2023-11-19 07:47:01,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:47:01,898 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17164 states and 27055 transitions. [2023-11-19 07:47:01,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17164 states and 27055 transitions. [2023-11-19 07:47:02,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17164 to 17164. [2023-11-19 07:47:02,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17164 states, 17164 states have (on average 1.5762642740619903) internal successors, (27055), 17163 states have internal predecessors, (27055), 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) [2023-11-19 07:47:02,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17164 states to 17164 states and 27055 transitions. [2023-11-19 07:47:02,260 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17164 states and 27055 transitions. [2023-11-19 07:47:02,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:47:02,260 INFO L428 stractBuchiCegarLoop]: Abstraction has 17164 states and 27055 transitions. [2023-11-19 07:47:02,261 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2023-11-19 07:47:02,261 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17164 states and 27055 transitions. [2023-11-19 07:47:02,313 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 6956 [2023-11-19 07:47:02,313 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:47:02,313 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:47:02,314 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] [2023-11-19 07:47:02,314 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:02,314 INFO L748 eck$LassoCheckResult]: Stem: 93260#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 93261#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 93291#L404 assume !(1 == ~c_req_up~0); 93361#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 93230#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 93231#L420-1 assume !(1 == ~c2_i~0);~c2_st~0 := 2; 93470#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 95171#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 95170#L435-1 assume !(0 == ~e_f~0); 95169#L440-1 assume !(0 == ~e_g~0); 95168#L445-1 assume !(0 == ~e_e~0); 95167#L450-1 assume !(0 == ~e_c~0); 95166#L455-1 assume !(0 == ~e_wl~0); 95165#L460-1 assume !(1 == ~wl_pc~0); 95162#$Ultimate##44 assume !(2 == ~wl_pc~0); 95161#L473 assume !(1 == ~c1_pc~0); 95159#L483 assume !(1 == ~c2_pc~0); 93478#L492 assume !(1 == ~wb_pc~0); 93318#L501 assume !(1 == ~e_c~0); 93319#L510-1 assume !(1 == ~e_e~0); 93232#L515-1 assume !(1 == ~e_f~0); 93233#L520-1 assume !(1 == ~e_g~0); 93295#L525-1 assume !(1 == ~e_c~0); 93296#L530-1 assume !(1 == ~e_wl~0); 93398#L672-1 assume !false; 95172#L542 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; 104314#L377 [2023-11-19 07:47:02,315 INFO L750 eck$LassoCheckResult]: Loop: 104314#L377 assume !false; 107940#L295 assume 0 == ~wl_st~0; 107941#L308-1 assume 0 == ~wl_st~0;havoc eval_#t~nondet4#1;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 105989#L321 assume !(0 != eval_~tmp~0#1); 105990#L317 assume 0 == ~c1_st~0;havoc eval_#t~nondet5#1;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 107010#L336 assume !(0 != eval_~tmp___0~0#1); 107388#L332 assume !(0 == ~c2_st~0); 107419#L347 assume !(0 == ~wb_st~0); 107414#L362 assume !(0 == ~r_st~0); 104314#L377 [2023-11-19 07:47:02,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:02,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1246052603, now seen corresponding path program 1 times [2023-11-19 07:47:02,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:02,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606971708] [2023-11-19 07:47:02,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:02,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:02,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:02,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:02,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606971708] [2023-11-19 07:47:02,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606971708] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:02,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:02,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:47:02,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123210061] [2023-11-19 07:47:02,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:02,344 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:47:02,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:02,344 INFO L85 PathProgramCache]: Analyzing trace with hash 969256162, now seen corresponding path program 2 times [2023-11-19 07:47:02,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:02,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672902019] [2023-11-19 07:47:02,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:02,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:02,348 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:02,350 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:47:02,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:02,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:47:02,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:47:02,489 INFO L87 Difference]: Start difference. First operand 17164 states and 27055 transitions. cyclomatic complexity: 9927 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) [2023-11-19 07:47:02,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:02,570 INFO L93 Difference]: Finished difference Result 17112 states and 26968 transitions. [2023-11-19 07:47:02,570 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17112 states and 26968 transitions. [2023-11-19 07:47:02,647 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 6956 [2023-11-19 07:47:02,719 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17112 states to 17112 states and 26968 transitions. [2023-11-19 07:47:02,720 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7052 [2023-11-19 07:47:02,843 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7052 [2023-11-19 07:47:02,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17112 states and 26968 transitions. [2023-11-19 07:47:02,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:47:02,843 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17112 states and 26968 transitions. [2023-11-19 07:47:02,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states and 26968 transitions. [2023-11-19 07:47:03,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 17112. [2023-11-19 07:47:03,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17112 states, 17112 states have (on average 1.575970079476391) internal successors, (26968), 17111 states have internal predecessors, (26968), 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) [2023-11-19 07:47:03,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17112 states to 17112 states and 26968 transitions. [2023-11-19 07:47:03,198 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17112 states and 26968 transitions. [2023-11-19 07:47:03,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:47:03,199 INFO L428 stractBuchiCegarLoop]: Abstraction has 17112 states and 26968 transitions. [2023-11-19 07:47:03,199 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2023-11-19 07:47:03,199 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17112 states and 26968 transitions. [2023-11-19 07:47:03,260 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 6956 [2023-11-19 07:47:03,260 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:47:03,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:47:03,261 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] [2023-11-19 07:47:03,261 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:03,261 INFO L748 eck$LassoCheckResult]: Stem: 127544#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 127545#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; 127576#L404 assume !(1 == ~c_req_up~0); 127626#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 127511#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 127512#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 127686#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 127571#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 127572#L435-1 assume !(0 == ~e_f~0); 127524#L440-1 assume !(0 == ~e_g~0); 127525#L445-1 assume !(0 == ~e_e~0); 127579#L450-1 assume !(0 == ~e_c~0); 127509#L455-1 assume !(0 == ~e_wl~0); 127510#L460-1 assume !(1 == ~wl_pc~0); 127671#$Ultimate##44 assume !(2 == ~wl_pc~0); 127607#L473 assume !(1 == ~c1_pc~0); 127713#L483 assume !(1 == ~c2_pc~0); 127487#L492 assume !(1 == ~wb_pc~0); 127602#L501 assume !(1 == ~e_c~0); 127603#L510-1 assume !(1 == ~e_e~0); 127513#L515-1 assume !(1 == ~e_f~0); 127514#L520-1 assume !(1 == ~e_g~0); 127580#L525-1 assume !(1 == ~e_c~0); 127581#L530-1 assume !(1 == ~e_wl~0); 127683#L672-1 assume !false; 129632#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 137103#L377 [2023-11-19 07:47:03,261 INFO L750 eck$LassoCheckResult]: Loop: 137103#L377 assume !false; 141877#L295 assume 0 == ~wl_st~0; 141378#L308-1 assume 0 == ~wl_st~0;havoc eval_#t~nondet4#1;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 141377#L321 assume !(0 != eval_~tmp~0#1); 141376#L317 assume 0 == ~c1_st~0;havoc eval_#t~nondet5#1;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 141336#L336 assume !(0 != eval_~tmp___0~0#1); 141024#L332 assume 0 == ~c2_st~0;havoc eval_#t~nondet6#1;eval_~tmp___1~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1; 141020#L351 assume !(0 != eval_~tmp___1~0#1); 140965#L347 assume !(0 == ~wb_st~0); 140960#L362 assume !(0 == ~r_st~0); 137103#L377 [2023-11-19 07:47:03,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:03,262 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 3 times [2023-11-19 07:47:03,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:03,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300915086] [2023-11-19 07:47:03,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:03,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:03,271 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:03,281 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:47:03,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:03,282 INFO L85 PathProgramCache]: Analyzing trace with hash -19480801, now seen corresponding path program 1 times [2023-11-19 07:47:03,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:03,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311302095] [2023-11-19 07:47:03,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:03,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:03,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:03,286 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:03,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:47:03,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:03,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1628503831, now seen corresponding path program 1 times [2023-11-19 07:47:03,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:03,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668922394] [2023-11-19 07:47:03,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:03,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:03,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:03,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:03,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668922394] [2023-11-19 07:47:03,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668922394] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:03,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:03,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:47:03,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690092849] [2023-11-19 07:47:03,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:03,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:03,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:47:03,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:47:03,399 INFO L87 Difference]: Start difference. First operand 17112 states and 26968 transitions. cyclomatic complexity: 9892 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) [2023-11-19 07:47:03,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:03,552 INFO L93 Difference]: Finished difference Result 29109 states and 45435 transitions. [2023-11-19 07:47:03,552 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29109 states and 45435 transitions. [2023-11-19 07:47:03,811 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 11874 [2023-11-19 07:47:03,915 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29109 states to 29109 states and 45435 transitions. [2023-11-19 07:47:03,915 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12004 [2023-11-19 07:47:03,926 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12004 [2023-11-19 07:47:03,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29109 states and 45435 transitions. [2023-11-19 07:47:03,926 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:47:03,926 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29109 states and 45435 transitions. [2023-11-19 07:47:03,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29109 states and 45435 transitions. [2023-11-19 07:47:04,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29109 to 29109. [2023-11-19 07:47:04,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29109 states, 29109 states have (on average 1.5608574667628567) internal successors, (45435), 29108 states have internal predecessors, (45435), 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) [2023-11-19 07:47:04,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29109 states to 29109 states and 45435 transitions. [2023-11-19 07:47:04,372 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29109 states and 45435 transitions. [2023-11-19 07:47:04,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:47:04,373 INFO L428 stractBuchiCegarLoop]: Abstraction has 29109 states and 45435 transitions. [2023-11-19 07:47:04,373 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2023-11-19 07:47:04,374 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29109 states and 45435 transitions. [2023-11-19 07:47:04,587 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 11874 [2023-11-19 07:47:04,597 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:47:04,597 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:47:04,598 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:04,598 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:04,598 INFO L748 eck$LassoCheckResult]: Stem: 173774#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 173775#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; 173805#L404 assume !(1 == ~c_req_up~0); 173858#L404-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 173741#L415-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 173742#L420-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 173919#L425-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 173799#L430-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 173800#L435-1 assume !(0 == ~e_f~0); 173754#L440-1 assume !(0 == ~e_g~0); 173755#L445-1 assume !(0 == ~e_e~0); 173808#L450-1 assume !(0 == ~e_c~0); 173739#L455-1 assume !(0 == ~e_wl~0); 173740#L460-1 assume !(1 == ~wl_pc~0); 173902#$Ultimate##44 assume !(2 == ~wl_pc~0); 173836#L473 assume !(1 == ~c1_pc~0); 173953#L483 assume !(1 == ~c2_pc~0); 173717#L492 assume !(1 == ~wb_pc~0); 173831#L501 assume !(1 == ~e_c~0); 173832#L510-1 assume !(1 == ~e_e~0); 173743#L515-1 assume !(1 == ~e_f~0); 173744#L520-1 assume !(1 == ~e_g~0); 173809#L525-1 assume !(1 == ~e_c~0); 173810#L530-1 assume !(1 == ~e_wl~0); 176228#L672-1 assume !false; 176229#L542 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 188613#L377 [2023-11-19 07:47:04,599 INFO L750 eck$LassoCheckResult]: Loop: 188613#L377 assume !false; 197188#L295 assume 0 == ~wl_st~0; 197186#L308-1 assume 0 == ~wl_st~0;havoc eval_#t~nondet4#1;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 197184#L321 assume !(0 != eval_~tmp~0#1); 195819#L317 assume 0 == ~c1_st~0;havoc eval_#t~nondet5#1;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 195816#L336 assume !(0 != eval_~tmp___0~0#1); 195814#L332 assume 0 == ~c2_st~0;havoc eval_#t~nondet6#1;eval_~tmp___1~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1; 195765#L351 assume !(0 != eval_~tmp___1~0#1); 195811#L347 assume 0 == ~wb_st~0;havoc eval_#t~nondet7#1;eval_~tmp___2~0#1 := eval_#t~nondet7#1;havoc eval_#t~nondet7#1; 196125#L366 assume !(0 != eval_~tmp___2~0#1); 196135#L362 assume !(0 == ~r_st~0); 188613#L377 [2023-11-19 07:47:04,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:04,599 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 4 times [2023-11-19 07:47:04,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:04,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437478426] [2023-11-19 07:47:04,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:04,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:04,629 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:04,640 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:47:04,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:04,641 INFO L85 PathProgramCache]: Analyzing trace with hash -603940234, now seen corresponding path program 1 times [2023-11-19 07:47:04,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:04,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239716823] [2023-11-19 07:47:04,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:04,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:04,650 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:04,653 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:47:04,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:04,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1056024194, now seen corresponding path program 1 times [2023-11-19 07:47:04,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:04,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546207345] [2023-11-19 07:47:04,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:04,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:04,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:04,672 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:47:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:05,971 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:06,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:47:06 BoogieIcfgContainer [2023-11-19 07:47:06,132 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:47:06,133 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:47:06,133 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:47:06,134 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:47:06,134 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:51" (3/4) ... [2023-11-19 07:47:06,137 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-19 07:47:06,205 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:47:06,205 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:47:06,206 INFO L158 Benchmark]: Toolchain (without parser) took 15954.70ms. Allocated memory was 172.0MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 131.1MB in the beginning and 927.3MB in the end (delta: -796.2MB). Peak memory consumption was 396.6MB. Max. memory is 16.1GB. [2023-11-19 07:47:06,206 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 172.0MB. Free memory is still 138.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:47:06,207 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.59ms. Allocated memory is still 172.0MB. Free memory was 131.1MB in the beginning and 115.9MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:47:06,207 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.61ms. Allocated memory is still 172.0MB. Free memory was 115.9MB in the beginning and 113.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:47:06,208 INFO L158 Benchmark]: Boogie Preprocessor took 84.99ms. Allocated memory is still 172.0MB. Free memory was 113.8MB in the beginning and 111.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:47:06,208 INFO L158 Benchmark]: RCFGBuilder took 725.22ms. Allocated memory is still 172.0MB. Free memory was 111.7MB in the beginning and 88.7MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 07:47:06,209 INFO L158 Benchmark]: BuchiAutomizer took 14600.17ms. Allocated memory was 172.0MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 88.7MB in the beginning and 931.4MB in the end (delta: -842.8MB). Peak memory consumption was 348.4MB. Max. memory is 16.1GB. [2023-11-19 07:47:06,209 INFO L158 Benchmark]: Witness Printer took 72.25ms. Allocated memory is still 1.4GB. Free memory was 931.4MB in the beginning and 927.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:47:06,211 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 172.0MB. Free memory is still 138.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.59ms. Allocated memory is still 172.0MB. Free memory was 131.1MB in the beginning and 115.9MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.61ms. Allocated memory is still 172.0MB. Free memory was 115.9MB in the beginning and 113.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.99ms. Allocated memory is still 172.0MB. Free memory was 113.8MB in the beginning and 111.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 725.22ms. Allocated memory is still 172.0MB. Free memory was 111.7MB in the beginning and 88.7MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 14600.17ms. Allocated memory was 172.0MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 88.7MB in the beginning and 931.4MB in the end (delta: -842.8MB). Peak memory consumption was 348.4MB. Max. memory is 16.1GB. * Witness Printer took 72.25ms. Allocated memory is still 1.4GB. Free memory was 931.4MB in the beginning and 927.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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 17 terminating modules (14 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_e) + 1) and consists of 3 locations. 14 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 29109 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.4s and 15 iterations. TraceHistogramMax:1. Analysis of lassos took 7.9s. Construction of modules took 0.4s. Büchi inclusion checks took 4.8s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 11. Automata minimization 2.1s AutomataMinimizationTime, 17 MinimizatonAttempts, 1885 StatesRemovedByMinimization, 8 NontrivialMinimizations. Non-live state removal took 1.3s Buchi closure took 0.1s. 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, 4258 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4255 mSDsluCounter, 7039 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2579 mSDsCounter, 108 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 357 IncrementalHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 108 mSolverCounterUnsat, 4460 mSDtfsCounter, 357 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc3 concLT0 SILN1 SILU0 SILI5 SILT3 lasso0 LassoPreprocessingBenchmarks: Lassos: inital80 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: 48ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 10 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 294]: 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] [L689] int __retres1 ; [L693] e_wl = 2 [L694] e_c = e_wl [L695] e_g = e_c [L696] e_f = e_g [L697] e_e = e_f [L698] wl_pc = 0 [L699] c1_pc = 0 [L700] c2_pc = 0 [L701] wb_pc = 0 [L702] wb_i = 1 [L703] c2_i = wb_i [L704] c1_i = c2_i [L705] wl_i = c1_i [L706] r_i = 0 [L707] c_req_up = 0 [L708] d = 0 [L709] c = 0 [L710] CALL start_simulation() [L400] int kernel_st ; [L403] 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] [L404] 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] [L415] COND TRUE (int )wl_i == 1 [L416] 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] [L420] COND TRUE (int )c1_i == 1 [L421] 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] [L425] COND TRUE (int )c2_i == 1 [L426] 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] [L430] COND TRUE (int )wb_i == 1 [L431] 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] [L435] COND FALSE !((int )r_i == 1) [L438] 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] [L440] 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] [L445] 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] [L450] 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] [L455] 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] [L460] 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] [L465] 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] [L473] 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] [L483] 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] [L492] 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] [L501] 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] [L510] 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] [L515] 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] [L520] 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] [L525] 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] [L530] 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] [L535] 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] [L541] 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] [L544] kernel_st = 1 [L545] CALL eval() [L286] int tmp ; [L287] int tmp___0 ; [L288] int tmp___1 ; [L289] int tmp___2 ; [L290] 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: [L294] COND TRUE 1 [L296] COND TRUE (int )wl_st == 0 [L317] COND TRUE (int )wl_st == 0 [L319] tmp = __VERIFIER_nondet_int() [L321] COND FALSE !(\read(tmp)) [L332] COND TRUE (int )c1_st == 0 [L334] tmp___0 = __VERIFIER_nondet_int() [L336] COND FALSE !(\read(tmp___0)) [L347] COND TRUE (int )c2_st == 0 [L349] tmp___1 = __VERIFIER_nondet_int() [L351] COND FALSE !(\read(tmp___1)) [L362] COND TRUE (int )wb_st == 0 [L364] tmp___2 = __VERIFIER_nondet_int() [L366] COND FALSE !(\read(tmp___2)) [L377] COND FALSE !((int )r_st == 0) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 294]: 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] [L689] int __retres1 ; [L693] e_wl = 2 [L694] e_c = e_wl [L695] e_g = e_c [L696] e_f = e_g [L697] e_e = e_f [L698] wl_pc = 0 [L699] c1_pc = 0 [L700] c2_pc = 0 [L701] wb_pc = 0 [L702] wb_i = 1 [L703] c2_i = wb_i [L704] c1_i = c2_i [L705] wl_i = c1_i [L706] r_i = 0 [L707] c_req_up = 0 [L708] d = 0 [L709] c = 0 [L710] CALL start_simulation() [L400] int kernel_st ; [L403] 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] [L404] 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] [L415] COND TRUE (int )wl_i == 1 [L416] 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] [L420] COND TRUE (int )c1_i == 1 [L421] 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] [L425] COND TRUE (int )c2_i == 1 [L426] 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] [L430] COND TRUE (int )wb_i == 1 [L431] 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] [L435] COND FALSE !((int )r_i == 1) [L438] 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] [L440] 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] [L445] 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] [L450] 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] [L455] 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] [L460] 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] [L465] 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] [L473] 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] [L483] 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] [L492] 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] [L501] 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] [L510] 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] [L515] 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] [L520] 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] [L525] 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] [L530] 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] [L535] 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] [L541] 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] [L544] kernel_st = 1 [L545] CALL eval() [L286] int tmp ; [L287] int tmp___0 ; [L288] int tmp___1 ; [L289] int tmp___2 ; [L290] 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: [L294] COND TRUE 1 [L296] COND TRUE (int )wl_st == 0 [L317] COND TRUE (int )wl_st == 0 [L319] tmp = __VERIFIER_nondet_int() [L321] COND FALSE !(\read(tmp)) [L332] COND TRUE (int )c1_st == 0 [L334] tmp___0 = __VERIFIER_nondet_int() [L336] COND FALSE !(\read(tmp___0)) [L347] COND TRUE (int )c2_st == 0 [L349] tmp___1 = __VERIFIER_nondet_int() [L351] COND FALSE !(\read(tmp___1)) [L362] COND TRUE (int )wb_st == 0 [L364] tmp___2 = __VERIFIER_nondet_int() [L366] COND FALSE !(\read(tmp___2)) [L377] COND FALSE !((int )r_st == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 07:47:06,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ef2619-d786-403f-8d16-539c238d288b/bin/uautomizer-verify-uCwYo4JHxu/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)