./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/cggmp2005b.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/cggmp2005b.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 5a85ef4e6caed20a9aa6e00fcf3a476ebe3f071202fc083a4545018fb19b4c9c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:19:47,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:19:47,388 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-06 22:19:47,394 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:19:47,395 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:19:47,425 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:19:47,428 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:19:47,429 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:19:47,430 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:19:47,431 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:19:47,433 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:19:47,434 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 22:19:47,434 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 22:19:47,438 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 22:19:47,438 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 22:19:47,439 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 22:19:47,440 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 22:19:47,442 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:19:47,446 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 22:19:47,446 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:19:47,447 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:19:47,449 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:19:47,450 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:19:47,450 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 22:19:47,451 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 22:19:47,451 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 22:19:47,452 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:19:47,452 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:19:47,452 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:19:47,453 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 22:19:47,454 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:19:47,454 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:19:47,455 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:19:47,456 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:19:47,456 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:19:47,456 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 22:19:47,457 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_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a85ef4e6caed20a9aa6e00fcf3a476ebe3f071202fc083a4545018fb19b4c9c [2023-11-06 22:19:47,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:19:47,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:19:47,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:19:47,829 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:19:47,830 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:19:47,831 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/loop-lit/cggmp2005b.i [2023-11-06 22:19:50,938 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:19:51,192 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:19:51,192 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/sv-benchmarks/c/loop-lit/cggmp2005b.i [2023-11-06 22:19:51,200 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/data/73df43fdc/1a59c2f1231a4ed09586d5ff6e34c43e/FLAGbf81a5e05 [2023-11-06 22:19:51,214 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/data/73df43fdc/1a59c2f1231a4ed09586d5ff6e34c43e [2023-11-06 22:19:51,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:19:51,218 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:19:51,219 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:19:51,220 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:19:51,225 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:19:51,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:19:51" (1/1) ... [2023-11-06 22:19:51,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77a7c3d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:51, skipping insertion in model container [2023-11-06 22:19:51,228 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:19:51" (1/1) ... [2023-11-06 22:19:51,261 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:19:51,503 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:19:51,522 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:19:51,544 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:19:51,560 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:19:51,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:51 WrapperNode [2023-11-06 22:19:51,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:19:51,562 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:19:51,562 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:19:51,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:19:51,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:51" (1/1) ... [2023-11-06 22:19:51,581 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:51" (1/1) ... [2023-11-06 22:19:51,605 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2023-11-06 22:19:51,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:19:51,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:19:51,607 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:19:51,607 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:19:51,617 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:51" (1/1) ... [2023-11-06 22:19:51,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:51" (1/1) ... [2023-11-06 22:19:51,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:51" (1/1) ... [2023-11-06 22:19:51,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:51" (1/1) ... [2023-11-06 22:19:51,627 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:51" (1/1) ... [2023-11-06 22:19:51,634 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:51" (1/1) ... [2023-11-06 22:19:51,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:51" (1/1) ... [2023-11-06 22:19:51,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:51" (1/1) ... [2023-11-06 22:19:51,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:19:51,649 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:19:51,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:19:51,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:19:51,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:51" (1/1) ... [2023-11-06 22:19:51,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:19:51,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:51,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:19:51,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 22:19:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:19:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:19:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:19:51,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:19:51,822 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:19:51,824 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:19:51,938 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:19:51,945 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:19:51,945 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-06 22:19:51,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:19:51 BoogieIcfgContainer [2023-11-06 22:19:51,947 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:19:51,948 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 22:19:51,948 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 22:19:51,952 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 22:19:51,953 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:19:51,953 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 10:19:51" (1/3) ... [2023-11-06 22:19:51,954 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e2e561d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:19:51, skipping insertion in model container [2023-11-06 22:19:51,954 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:19:51,955 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:51" (2/3) ... [2023-11-06 22:19:51,955 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e2e561d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:19:51, skipping insertion in model container [2023-11-06 22:19:51,955 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:19:51,955 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:19:51" (3/3) ... [2023-11-06 22:19:51,957 INFO L332 chiAutomizerObserver]: Analyzing ICFG cggmp2005b.i [2023-11-06 22:19:52,028 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 22:19:52,028 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 22:19:52,029 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 22:19:52,029 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 22:19:52,029 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 22:19:52,029 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 22:19:52,030 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 22:19:52,030 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 22:19:52,034 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:19:52,051 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-06 22:19:52,051 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:19:52,051 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:19:52,057 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:19:52,057 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-06 22:19:52,057 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 22:19:52,058 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:19:52,059 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-06 22:19:52,060 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:19:52,060 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:19:52,060 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:19:52,060 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-06 22:19:52,069 INFO L748 eck$LassoCheckResult]: Stem: 10#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 4#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~k~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;main_~i~0#1 := 0;main_~k~0#1 := 9;main_~j~0#1 := -100; 5#L35-3true [2023-11-06 22:19:52,069 INFO L750 eck$LassoCheckResult]: Loop: 5#L35-3true assume !!(main_~i~0#1 <= 100);main_~i~0#1 := 1 + main_~i~0#1; 12#L31-2true assume !(main_~j~0#1 < 20); 6#L31-3true main_~k~0#1 := 4; 11#L35-2true assume !true; 5#L35-3true [2023-11-06 22:19:52,075 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:52,075 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-06 22:19:52,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:52,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038859628] [2023-11-06 22:19:52,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:52,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:19:52,161 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:19:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:19:52,191 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:19:52,194 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:52,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1269299, now seen corresponding path program 1 times [2023-11-06 22:19:52,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:52,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842393988] [2023-11-06 22:19:52,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:52,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:52,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:19:52,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:52,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842393988] [2023-11-06 22:19:52,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842393988] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:19:52,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:19:52,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-06 22:19:52,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075510241] [2023-11-06 22:19:52,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:52,270 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-06 22:19:52,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:52,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:19:52,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:19:52,305 INFO L87 Difference]: Start difference. First operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-11-06 22:19:52,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:52,311 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2023-11-06 22:19:52,312 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 16 transitions. [2023-11-06 22:19:52,313 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-06 22:19:52,316 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 6 states and 8 transitions. [2023-11-06 22:19:52,317 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-11-06 22:19:52,317 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2023-11-06 22:19:52,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 8 transitions. [2023-11-06 22:19:52,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:19:52,318 INFO L218 hiAutomatonCegarLoop]: Abstraction has 6 states and 8 transitions. [2023-11-06 22:19:52,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 8 transitions. [2023-11-06 22:19:52,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2023-11-06 22:19:52,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 states have internal predecessors, (8), 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) [2023-11-06 22:19:52,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2023-11-06 22:19:52,346 INFO L240 hiAutomatonCegarLoop]: Abstraction has 6 states and 8 transitions. [2023-11-06 22:19:52,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:19:52,351 INFO L428 stractBuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2023-11-06 22:19:52,351 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 22:19:52,351 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. [2023-11-06 22:19:52,352 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-06 22:19:52,352 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:19:52,352 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:19:52,352 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:19:52,352 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-06 22:19:52,353 INFO L748 eck$LassoCheckResult]: Stem: 37#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 38#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~k~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;main_~i~0#1 := 0;main_~k~0#1 := 9;main_~j~0#1 := -100; 40#L35-3 [2023-11-06 22:19:52,353 INFO L750 eck$LassoCheckResult]: Loop: 40#L35-3 assume !!(main_~i~0#1 <= 100);main_~i~0#1 := 1 + main_~i~0#1; 41#L31-2 assume !(main_~j~0#1 < 20); 42#L31-3 main_~k~0#1 := 4; 39#L35-2 assume !(main_~k~0#1 <= 3); 40#L35-3 [2023-11-06 22:19:52,354 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:52,354 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2023-11-06 22:19:52,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:52,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904356203] [2023-11-06 22:19:52,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:52,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:19:52,364 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:19:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:19:52,371 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:19:52,372 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:52,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1269295, now seen corresponding path program 1 times [2023-11-06 22:19:52,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:52,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551305622] [2023-11-06 22:19:52,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:52,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:52,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:19:52,383 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:19:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:19:52,388 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:19:52,389 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:52,389 INFO L85 PathProgramCache]: Analyzing trace with hash 889696497, now seen corresponding path program 1 times [2023-11-06 22:19:52,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:52,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753944031] [2023-11-06 22:19:52,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:52,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:52,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:19:52,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:52,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753944031] [2023-11-06 22:19:52,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753944031] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:19:52,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:19:52,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:19:52,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17489582] [2023-11-06 22:19:52,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:52,533 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:19:52,533 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:19:52,533 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:19:52,534 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:19:52,534 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 22:19:52,534 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:19:52,534 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:19:52,534 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:19:52,534 INFO L133 ssoRankerPreferences]: Filename of dumped script: cggmp2005b.i_Iteration2_Loop [2023-11-06 22:19:52,534 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:19:52,535 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:19:52,554 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:19:52,567 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:19:52,577 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:19:52,637 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:19:52,638 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 22:19:52,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:19:52,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:52,652 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:19:52,663 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:19:52,663 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:19:52,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-06 22:19:52,689 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 22:19:52,689 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0#1=20} Honda state: {ULTIMATE.start_main_~j~0#1=20} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 22:19:52,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:52,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:19:52,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:52,698 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:19:52,708 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:19:52,708 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:19:52,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-06 22:19:52,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:52,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:19:52,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:52,752 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:19:52,761 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 22:19:52,761 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:19:52,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-06 22:19:52,802 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 22:19:52,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:52,810 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:19:52,810 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:19:52,810 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:19:52,810 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:19:52,811 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:19:52,811 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:19:52,811 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:19:52,811 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:19:52,811 INFO L133 ssoRankerPreferences]: Filename of dumped script: cggmp2005b.i_Iteration2_Loop [2023-11-06 22:19:52,811 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:19:52,811 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:19:52,813 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:19:52,820 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:19:52,837 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:19:52,893 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:19:52,897 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:19:52,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:19:52,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:52,902 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:19:52,911 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 [2023-11-06 22:19:52,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:19:52,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:19:52,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:19:52,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:19:52,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:19:52,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:19:52,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:19:52,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-06 22:19:52,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:19:52,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:52,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:19:52,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:52,969 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:19:52,983 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 [2023-11-06 22:19:52,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:19:52,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:19:52,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:19:52,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:19:52,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:19:52,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:19:52,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:19:53,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-06 22:19:53,011 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:19:53,015 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-06 22:19:53,015 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-06 22:19:53,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:19:53,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:53,038 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:19:53,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-06 22:19:53,042 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:19:53,042 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 22:19:53,042 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:19:53,043 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 201 Supporting invariants [] [2023-11-06 22:19:53,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:53,051 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 22:19:53,084 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:53,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:19:53,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:53,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:19:53,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:53,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:19:53,174 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-06 22:19:53,176 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:19:53,207 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 21 transitions. Complement of second has 4 states. [2023-11-06 22:19:53,208 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 [2023-11-06 22:19:53,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:19:53,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2023-11-06 22:19:53,211 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-06 22:19:53,213 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:19:53,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 6 letters. Loop has 4 letters. [2023-11-06 22:19:53,213 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:19:53,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 2 letters. Loop has 8 letters. [2023-11-06 22:19:53,214 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:19:53,214 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 21 transitions. [2023-11-06 22:19:53,216 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2023-11-06 22:19:53,217 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 13 states and 20 transitions. [2023-11-06 22:19:53,218 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-11-06 22:19:53,218 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-11-06 22:19:53,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 20 transitions. [2023-11-06 22:19:53,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:19:53,219 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 20 transitions. [2023-11-06 22:19:53,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 20 transitions. [2023-11-06 22:19:53,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 11. [2023-11-06 22:19:53,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 10 states have internal predecessors, (17), 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) [2023-11-06 22:19:53,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 17 transitions. [2023-11-06 22:19:53,221 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 17 transitions. [2023-11-06 22:19:53,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:53,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:19:53,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:19:53,223 INFO L87 Difference]: Start difference. First operand 11 states and 17 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:19:53,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:53,229 INFO L93 Difference]: Finished difference Result 12 states and 19 transitions. [2023-11-06 22:19:53,229 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 19 transitions. [2023-11-06 22:19:53,230 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2023-11-06 22:19:53,231 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 19 transitions. [2023-11-06 22:19:53,231 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-11-06 22:19:53,231 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2023-11-06 22:19:53,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 19 transitions. [2023-11-06 22:19:53,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:19:53,232 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 19 transitions. [2023-11-06 22:19:53,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 19 transitions. [2023-11-06 22:19:53,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2023-11-06 22:19:53,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 11 states have internal predecessors, (19), 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) [2023-11-06 22:19:53,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 19 transitions. [2023-11-06 22:19:53,258 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 19 transitions. [2023-11-06 22:19:53,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:19:53,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-06 22:19:53,272 INFO L428 stractBuchiCegarLoop]: Abstraction has 12 states and 19 transitions. [2023-11-06 22:19:53,273 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-06 22:19:53,273 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 19 transitions. [2023-11-06 22:19:53,275 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2023-11-06 22:19:53,276 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:19:53,276 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:19:53,276 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-06 22:19:53,276 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-06 22:19:53,277 INFO L748 eck$LassoCheckResult]: Stem: 118#$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(9, 2); 119#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~k~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;main_~i~0#1 := 0;main_~k~0#1 := 9;main_~j~0#1 := -100; 127#L35-3 assume !!(main_~i~0#1 <= 100);main_~i~0#1 := 1 + main_~i~0#1; 128#L31-2 assume !!(main_~j~0#1 < 20);main_~j~0#1 := main_~i~0#1 + main_~j~0#1; 123#L31-2 [2023-11-06 22:19:53,282 INFO L750 eck$LassoCheckResult]: Loop: 123#L31-2 assume !!(main_~j~0#1 < 20);main_~j~0#1 := main_~i~0#1 + main_~j~0#1; 123#L31-2 [2023-11-06 22:19:53,283 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:53,283 INFO L85 PathProgramCache]: Analyzing trace with hash 925804, now seen corresponding path program 1 times [2023-11-06 22:19:53,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:53,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032352848] [2023-11-06 22:19:53,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:53,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:19:53,310 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:19:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:19:53,329 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:19:53,330 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:53,330 INFO L85 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2023-11-06 22:19:53,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:53,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782999880] [2023-11-06 22:19:53,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:53,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:19:53,353 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:19:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:19:53,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:19:53,357 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:53,357 INFO L85 PathProgramCache]: Analyzing trace with hash 28699944, now seen corresponding path program 2 times [2023-11-06 22:19:53,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:53,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710882005] [2023-11-06 22:19:53,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:53,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:19:53,376 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:19:53,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:19:53,389 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:19:53,584 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:19:53,584 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:19:53,584 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:19:53,585 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:19:53,585 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:19:53,585 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:19:53,585 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:19:53,585 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:19:53,585 INFO L133 ssoRankerPreferences]: Filename of dumped script: cggmp2005b.i_Iteration3_Lasso [2023-11-06 22:19:53,585 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:19:53,585 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:19:53,588 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:19:53,600 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:19:53,604 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:19:53,628 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:19:53,644 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:19:53,666 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:19:53,669 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:19:53,802 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:19:53,802 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:19:53,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:19:53,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:53,803 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:19:53,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-06 22:19:53,810 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 [2023-11-06 22:19:53,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:19:53,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:19:53,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:19:53,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:19:53,826 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:19:53,826 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:19:53,862 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:19:53,873 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-11-06 22:19:53,873 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-11-06 22:19:53,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:19:53,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:53,878 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:19:53,886 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:19:53,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-06 22:19:53,914 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-06 22:19:53,915 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:19:53,915 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = -2*ULTIMATE.start_main_~j~0#1 + 39 Supporting invariants [1*ULTIMATE.start_main_~i~0#1 - 1 >= 0] [2023-11-06 22:19:53,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:53,934 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2023-11-06 22:19:53,963 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:53,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:19:53,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:54,010 WARN L260 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:19:54,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:54,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:19:54,011 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 1 loop predicates [2023-11-06 22:19:54,012 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 19 transitions. cyclomatic complexity: 10 Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2023-11-06 22:19:54,055 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 19 transitions. cyclomatic complexity: 10. Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 21 states and 34 transitions. Complement of second has 6 states. [2023-11-06 22:19:54,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-06 22:19:54,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2023-11-06 22:19:54,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2023-11-06 22:19:54,057 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 1 letters. [2023-11-06 22:19:54,057 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:19:54,057 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 5 letters. Loop has 1 letters. [2023-11-06 22:19:54,057 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:19:54,057 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-06 22:19:54,058 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:19:54,058 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 34 transitions. [2023-11-06 22:19:54,059 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-06 22:19:54,061 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 28 transitions. [2023-11-06 22:19:54,062 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-11-06 22:19:54,063 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2023-11-06 22:19:54,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 28 transitions. [2023-11-06 22:19:54,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:19:54,063 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 28 transitions. [2023-11-06 22:19:54,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 28 transitions. [2023-11-06 22:19:54,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2023-11-06 22:19:54,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.588235294117647) internal successors, (27), 16 states have internal predecessors, (27), 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) [2023-11-06 22:19:54,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 27 transitions. [2023-11-06 22:19:54,071 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 27 transitions. [2023-11-06 22:19:54,071 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 27 transitions. [2023-11-06 22:19:54,074 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-06 22:19:54,075 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 27 transitions. [2023-11-06 22:19:54,076 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-06 22:19:54,077 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:19:54,078 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:19:54,078 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:19:54,078 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-06 22:19:54,079 INFO L748 eck$LassoCheckResult]: Stem: 202#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 203#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~k~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;main_~i~0#1 := 0;main_~k~0#1 := 9;main_~j~0#1 := -100; 213#L35-3 assume !!(main_~i~0#1 <= 100);main_~i~0#1 := 1 + main_~i~0#1; 214#L31-2 assume !!(main_~j~0#1 < 20);main_~j~0#1 := main_~i~0#1 + main_~j~0#1; 207#L31-2 assume !(main_~j~0#1 < 20); 208#L31-3 main_~k~0#1 := 4; 204#L35-2 [2023-11-06 22:19:54,079 INFO L750 eck$LassoCheckResult]: Loop: 204#L35-2 assume !!(main_~k~0#1 <= 3);main_~k~0#1 := 1 + main_~k~0#1; 204#L35-2 [2023-11-06 22:19:54,080 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:54,081 INFO L85 PathProgramCache]: Analyzing trace with hash 889698226, now seen corresponding path program 1 times [2023-11-06 22:19:54,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:54,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691615049] [2023-11-06 22:19:54,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:54,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:54,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:19:54,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:54,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691615049] [2023-11-06 22:19:54,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691615049] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:19:54,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055348872] [2023-11-06 22:19:54,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:54,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:54,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:54,202 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:54,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 22:19:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:54,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:19:54,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:54,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:19:54,293 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:19:54,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:19:54,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055348872] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:19:54,333 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:19:54,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-11-06 22:19:54,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301776434] [2023-11-06 22:19:54,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:19:54,334 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:19:54,334 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:54,335 INFO L85 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 1 times [2023-11-06 22:19:54,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:54,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307195512] [2023-11-06 22:19:54,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:54,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:19:54,344 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:19:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:19:54,347 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:19:54,362 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:19:54,362 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:19:54,362 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:19:54,363 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:19:54,363 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 22:19:54,363 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:19:54,363 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:19:54,363 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:19:54,363 INFO L133 ssoRankerPreferences]: Filename of dumped script: cggmp2005b.i_Iteration4_Loop [2023-11-06 22:19:54,363 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:19:54,364 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:19:54,364 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:19:54,386 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:19:54,386 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 22:19:54,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:19:54,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:54,394 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:19:54,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-06 22:19:54,397 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:19:54,398 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:19:54,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:54,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:19:54,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:54,430 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:19:54,444 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 22:19:54,445 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:19:54,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-06 22:19:54,478 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 22:19:54,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:54,483 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:19:54,483 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:19:54,483 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:19:54,483 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:19:54,483 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:19:54,483 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:19:54,483 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:19:54,483 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:19:54,483 INFO L133 ssoRankerPreferences]: Filename of dumped script: cggmp2005b.i_Iteration4_Loop [2023-11-06 22:19:54,483 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:19:54,483 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:19:54,484 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:19:54,512 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:19:54,512 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:19:54,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:19:54,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:54,513 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:19:54,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-06 22:19:54,518 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 [2023-11-06 22:19:54,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:19:54,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:19:54,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:19:54,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:19:54,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:19:54,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:19:54,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:19:54,550 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:19:54,561 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-06 22:19:54,561 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-06 22:19:54,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:19:54,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:54,569 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:19:54,571 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:19:54,571 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 22:19:54,571 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:19:54,571 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0#1) = -2*ULTIMATE.start_main_~k~0#1 + 7 Supporting invariants [] [2023-11-06 22:19:54,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-06 22:19:54,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-06 22:19:54,578 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 22:19:54,600 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:54,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:19:54,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:54,629 WARN L260 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:19:54,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:54,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:19:54,630 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-06 22:19:54,630 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 27 transitions. cyclomatic complexity: 14 Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:19:54,660 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 27 transitions. cyclomatic complexity: 14. Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 76 transitions. Complement of second has 5 states. [2023-11-06 22:19:54,661 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 [2023-11-06 22:19:54,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:19:54,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2023-11-06 22:19:54,665 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 6 letters. Loop has 1 letters. [2023-11-06 22:19:54,665 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:19:54,665 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 7 letters. Loop has 1 letters. [2023-11-06 22:19:54,666 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:19:54,666 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 6 letters. Loop has 2 letters. [2023-11-06 22:19:54,666 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:19:54,666 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 76 transitions. [2023-11-06 22:19:54,672 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-06 22:19:54,673 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 32 states and 52 transitions. [2023-11-06 22:19:54,673 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-11-06 22:19:54,673 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-11-06 22:19:54,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 52 transitions. [2023-11-06 22:19:54,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:19:54,674 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 52 transitions. [2023-11-06 22:19:54,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 52 transitions. [2023-11-06 22:19:54,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 17. [2023-11-06 22:19:54,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 16 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) [2023-11-06 22:19:54,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 26 transitions. [2023-11-06 22:19:54,678 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 26 transitions. [2023-11-06 22:19:54,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:54,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:19:54,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:19:54,679 INFO L87 Difference]: Start difference. First operand 17 states and 26 transitions. Second operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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) [2023-11-06 22:19:54,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:54,714 INFO L93 Difference]: Finished difference Result 19 states and 28 transitions. [2023-11-06 22:19:54,714 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 28 transitions. [2023-11-06 22:19:54,716 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-06 22:19:54,719 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 28 transitions. [2023-11-06 22:19:54,719 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-11-06 22:19:54,719 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2023-11-06 22:19:54,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 28 transitions. [2023-11-06 22:19:54,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:19:54,720 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 28 transitions. [2023-11-06 22:19:54,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 28 transitions. [2023-11-06 22:19:54,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-06 22:19:54,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 18 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) [2023-11-06 22:19:54,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 28 transitions. [2023-11-06 22:19:54,726 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 28 transitions. [2023-11-06 22:19:54,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:19:54,729 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 28 transitions. [2023-11-06 22:19:54,729 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-06 22:19:54,730 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 28 transitions. [2023-11-06 22:19:54,731 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-06 22:19:54,731 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:19:54,732 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:19:54,732 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 1, 1, 1] [2023-11-06 22:19:54,733 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-06 22:19:54,733 INFO L748 eck$LassoCheckResult]: Stem: 381#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 382#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~k~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;main_~i~0#1 := 0;main_~k~0#1 := 9;main_~j~0#1 := -100; 386#L35-3 assume !!(main_~i~0#1 <= 100);main_~i~0#1 := 1 + main_~i~0#1; 390#L31-2 assume !!(main_~j~0#1 < 20);main_~j~0#1 := main_~i~0#1 + main_~j~0#1; 391#L31-2 assume !!(main_~j~0#1 < 20);main_~j~0#1 := main_~i~0#1 + main_~j~0#1; 399#L31-2 assume !!(main_~j~0#1 < 20);main_~j~0#1 := main_~i~0#1 + main_~j~0#1; 396#L31-2 assume !(main_~j~0#1 < 20); 393#L31-3 main_~k~0#1 := 4; 384#L35-2 assume !(main_~k~0#1 <= 3); 385#L35-3 assume !!(main_~i~0#1 <= 100);main_~i~0#1 := 1 + main_~i~0#1; 392#L31-2 assume !(main_~j~0#1 < 20); 388#L31-3 main_~k~0#1 := 4; 383#L35-2 [2023-11-06 22:19:54,734 INFO L750 eck$LassoCheckResult]: Loop: 383#L35-2 assume !!(main_~k~0#1 <= 3);main_~k~0#1 := 1 + main_~k~0#1; 383#L35-2 [2023-11-06 22:19:54,734 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:54,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1938241212, now seen corresponding path program 1 times [2023-11-06 22:19:54,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:54,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040091558] [2023-11-06 22:19:54,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:54,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:54,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:54,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:54,928 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:19:54,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:54,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040091558] [2023-11-06 22:19:54,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040091558] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:19:54,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920516626] [2023-11-06 22:19:54,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:54,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:54,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:54,942 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:54,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-06 22:19:54,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:54,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:19:54,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:55,083 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:19:55,083 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:19:55,167 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:19:55,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920516626] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:19:55,167 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:19:55,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 16 [2023-11-06 22:19:55,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894688977] [2023-11-06 22:19:55,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:19:55,168 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:19:55,169 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:55,169 INFO L85 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 2 times [2023-11-06 22:19:55,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:55,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527603370] [2023-11-06 22:19:55,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:55,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:19:55,173 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:19:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:19:55,176 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:19:55,199 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:19:55,200 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:19:55,200 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:19:55,200 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:19:55,200 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 22:19:55,200 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:19:55,201 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:19:55,201 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:19:55,201 INFO L133 ssoRankerPreferences]: Filename of dumped script: cggmp2005b.i_Iteration5_Loop [2023-11-06 22:19:55,201 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:19:55,202 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:19:55,202 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:19:55,227 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:19:55,227 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 22:19:55,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:19:55,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:55,229 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:19:55,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-06 22:19:55,237 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:19:55,237 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:19:55,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:55,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:19:55,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:55,268 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:19:55,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-06 22:19:55,277 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 22:19:55,278 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:19:55,310 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 22:19:55,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:55,320 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:19:55,320 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:19:55,320 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:19:55,320 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:19:55,320 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:19:55,320 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:19:55,320 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:19:55,320 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:19:55,320 INFO L133 ssoRankerPreferences]: Filename of dumped script: cggmp2005b.i_Iteration5_Loop [2023-11-06 22:19:55,321 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:19:55,321 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:19:55,321 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:19:55,347 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:19:55,347 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:19:55,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:19:55,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:55,349 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:19:55,359 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 [2023-11-06 22:19:55,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:19:55,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:19:55,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:19:55,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:19:55,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:19:55,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-06 22:19:55,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:19:55,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:19:55,384 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:19:55,386 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-06 22:19:55,387 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-06 22:19:55,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:19:55,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:55,390 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:19:55,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-06 22:19:55,400 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:19:55,400 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 22:19:55,400 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:19:55,400 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0#1) = -2*ULTIMATE.start_main_~k~0#1 + 7 Supporting invariants [] [2023-11-06 22:19:55,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:55,415 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 22:19:55,430 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:55,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:19:55,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:55,465 WARN L260 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:19:55,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:55,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:19:55,466 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-06 22:19:55,466 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 28 transitions. cyclomatic complexity: 13 Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2023-11-06 22:19:55,478 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 28 transitions. cyclomatic complexity: 13. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 45 states and 70 transitions. Complement of second has 5 states. [2023-11-06 22:19:55,478 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 [2023-11-06 22:19:55,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2023-11-06 22:19:55,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2023-11-06 22:19:55,480 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 12 letters. Loop has 1 letters. [2023-11-06 22:19:55,480 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:19:55,480 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-06 22:19:55,492 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:55,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:19:55,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:55,524 WARN L260 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:19:55,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:55,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:19:55,525 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-06 22:19:55,525 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 28 transitions. cyclomatic complexity: 13 Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2023-11-06 22:19:55,537 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 28 transitions. cyclomatic complexity: 13. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 45 states and 70 transitions. Complement of second has 5 states. [2023-11-06 22:19:55,540 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 [2023-11-06 22:19:55,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2023-11-06 22:19:55,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2023-11-06 22:19:55,543 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 12 letters. Loop has 1 letters. [2023-11-06 22:19:55,543 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:19:55,543 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-06 22:19:55,555 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:55,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:19:55,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:55,593 WARN L260 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:19:55,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:55,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:19:55,594 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-06 22:19:55,594 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 28 transitions. cyclomatic complexity: 13 Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2023-11-06 22:19:55,612 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 28 transitions. cyclomatic complexity: 13. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 34 states and 50 transitions. Complement of second has 4 states. [2023-11-06 22:19:55,613 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 [2023-11-06 22:19:55,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2023-11-06 22:19:55,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2023-11-06 22:19:55,616 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 12 letters. Loop has 1 letters. [2023-11-06 22:19:55,616 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:19:55,617 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 13 letters. Loop has 1 letters. [2023-11-06 22:19:55,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:19:55,618 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 12 letters. Loop has 2 letters. [2023-11-06 22:19:55,621 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:19:55,622 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 50 transitions. [2023-11-06 22:19:55,628 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:19:55,628 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 0 states and 0 transitions. [2023-11-06 22:19:55,629 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-06 22:19:55,629 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-06 22:19:55,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-06 22:19:55,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:19:55,629 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:19:55,629 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:19:55,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:55,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-06 22:19:55,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:19:55,632 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 16 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:19:55,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:55,632 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2023-11-06 22:19:55,632 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2023-11-06 22:19:55,633 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:19:55,633 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:19:55,633 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-06 22:19:55,633 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-06 22:19:55,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-06 22:19:55,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:19:55,633 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:19:55,633 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:19:55,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:19:55,634 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:19:55,635 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-06 22:19:55,635 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:19:55,635 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:19:55,635 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-06 22:19:55,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 10:19:55 BoogieIcfgContainer [2023-11-06 22:19:55,650 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 22:19:55,651 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:19:55,651 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:19:55,651 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:19:55,652 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:19:51" (3/4) ... [2023-11-06 22:19:55,654 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:19:55,655 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:19:55,656 INFO L158 Benchmark]: Toolchain (without parser) took 4438.31ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 119.8MB in the beginning and 110.7MB in the end (delta: 9.1MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2023-11-06 22:19:55,657 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 119.5MB. Free memory was 88.7MB in the beginning and 88.6MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:19:55,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.56ms. Allocated memory is still 153.1MB. Free memory was 119.8MB in the beginning and 122.8MB in the end (delta: -3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:19:55,657 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.91ms. Allocated memory is still 153.1MB. Free memory was 122.8MB in the beginning and 121.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:19:55,658 INFO L158 Benchmark]: Boogie Preprocessor took 42.48ms. Allocated memory is still 153.1MB. Free memory was 121.5MB in the beginning and 120.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:19:55,658 INFO L158 Benchmark]: RCFGBuilder took 297.88ms. Allocated memory is still 153.1MB. Free memory was 120.2MB in the beginning and 111.0MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:19:55,659 INFO L158 Benchmark]: BuchiAutomizer took 3702.33ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 111.0MB in the beginning and 111.7MB in the end (delta: -721.0kB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2023-11-06 22:19:55,659 INFO L158 Benchmark]: Witness Printer took 4.66ms. Allocated memory is still 184.5MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:19:55,661 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 119.5MB. Free memory was 88.7MB in the beginning and 88.6MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.56ms. Allocated memory is still 153.1MB. Free memory was 119.8MB in the beginning and 122.8MB in the end (delta: -3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.91ms. Allocated memory is still 153.1MB. Free memory was 122.8MB in the beginning and 121.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.48ms. Allocated memory is still 153.1MB. Free memory was 121.5MB in the beginning and 120.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 297.88ms. Allocated memory is still 153.1MB. Free memory was 120.2MB in the beginning and 111.0MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3702.33ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 111.0MB in the beginning and 111.7MB in the end (delta: -721.0kB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * Witness Printer took 4.66ms. Allocated memory is still 184.5MB. Free memory is still 110.7MB. There was no memory consumed. 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 8 terminating modules (4 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function ((-2 * i) + 201) and consists of 3 locations. One deterministic module has affine ranking function ((-2 * j) + 39) and consists of 5 locations. One deterministic module has affine ranking function (7 + (-2 * k)) and consists of 3 locations. One nondeterministic module has affine ranking function (7 + (-2 * k)) and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 16 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 6 iterations. TraceHistogramMax:3. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 5. Automata minimization 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 18 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 59 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 54 mSDsluCounter, 113 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 31 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 82 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI0 SILT2 lasso1 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax100 hnf100 lsp79 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq164 hnf93 smp100 dnf100 smp100 tf111 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 112ms VariablesStem: 2 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-06 22:19:55,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:55,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:56,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:56,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12e7743d-93b6-459f-b722-f86530c090f7/bin/uautomizer-verify-WvqO1wxjHP/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 Result: TRUE