./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/counting-bits-BK.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/counting-bits-BK.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fd975cc2a01973f9ff4e653eb22c285998b2ad4afa4fc6d69590e228bd13187c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:22:34,253 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:22:34,369 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-12 02:22:34,376 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:22:34,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:22:34,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:22:34,415 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:22:34,416 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:22:34,417 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:22:34,422 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:22:34,423 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:22:34,424 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:22:34,424 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:22:34,426 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:22:34,426 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:22:34,427 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:22:34,427 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:22:34,428 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:22:34,429 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:22:34,429 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:22:34,429 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:22:34,430 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:22:34,431 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:22:34,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:22:34,431 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:22:34,432 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:22:34,432 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:22:34,433 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:22:34,433 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:22:34,434 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:22:34,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:22:34,435 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:22:34,436 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:22:34,436 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_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd975cc2a01973f9ff4e653eb22c285998b2ad4afa4fc6d69590e228bd13187c [2023-11-12 02:22:34,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:22:34,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:22:34,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:22:34,753 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:22:34,754 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:22:34,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/termination-bwb/counting-bits-BK.i [2023-11-12 02:22:37,734 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:22:37,911 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:22:37,912 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/sv-benchmarks/c/termination-bwb/counting-bits-BK.i [2023-11-12 02:22:37,919 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/data/e8d7a0f2b/6b2ede7abbb74b7f86397a2031d4bd94/FLAGb4bbd0863 [2023-11-12 02:22:37,946 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/data/e8d7a0f2b/6b2ede7abbb74b7f86397a2031d4bd94 [2023-11-12 02:22:37,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:22:37,955 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:22:37,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:22:37,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:22:37,965 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:22:37,966 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:22:37" (1/1) ... [2023-11-12 02:22:37,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6181b769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:37, skipping insertion in model container [2023-11-12 02:22:37,968 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:22:37" (1/1) ... [2023-11-12 02:22:37,990 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:22:38,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:22:38,130 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:22:38,140 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:22:38,155 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:22:38,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:38 WrapperNode [2023-11-12 02:22:38,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:22:38,157 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:22:38,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:22:38,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:22:38,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:38" (1/1) ... [2023-11-12 02:22:38,169 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:38" (1/1) ... [2023-11-12 02:22:38,189 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36 [2023-11-12 02:22:38,190 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:22:38,192 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:22:38,192 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:22:38,192 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:22:38,201 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:38" (1/1) ... [2023-11-12 02:22:38,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:38" (1/1) ... [2023-11-12 02:22:38,202 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:38" (1/1) ... [2023-11-12 02:22:38,202 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:38" (1/1) ... [2023-11-12 02:22:38,209 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:38" (1/1) ... [2023-11-12 02:22:38,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:38" (1/1) ... [2023-11-12 02:22:38,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:38" (1/1) ... [2023-11-12 02:22:38,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:38" (1/1) ... [2023-11-12 02:22:38,221 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:22:38,222 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:22:38,222 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:22:38,222 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:22:38,223 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:38" (1/1) ... [2023-11-12 02:22:38,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:38,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:38,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:38,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:22:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:22:38,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:22:38,354 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:22:38,356 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:22:38,457 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:22:38,464 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:22:38,464 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:22:38,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:22:38 BoogieIcfgContainer [2023-11-12 02:22:38,466 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:22:38,467 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:22:38,468 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:22:38,472 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:22:38,473 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:22:38,473 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:22:37" (1/3) ... [2023-11-12 02:22:38,474 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@297d2863 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:22:38, skipping insertion in model container [2023-11-12 02:22:38,475 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:22:38,475 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:38" (2/3) ... [2023-11-12 02:22:38,475 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@297d2863 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:22:38, skipping insertion in model container [2023-11-12 02:22:38,475 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:22:38,476 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:22:38" (3/3) ... [2023-11-12 02:22:38,477 INFO L332 chiAutomizerObserver]: Analyzing ICFG counting-bits-BK.i [2023-11-12 02:22:38,561 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:22:38,561 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:22:38,561 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:22:38,561 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:22:38,561 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:22:38,562 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:22:38,562 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:22:38,562 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:22:38,572 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 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) [2023-11-12 02:22:38,598 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-12 02:22:38,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:22:38,599 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:22:38,606 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-12 02:22:38,606 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-12 02:22:38,606 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-12 02:22:38,608 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 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) [2023-11-12 02:22:38,610 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-12 02:22:38,611 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:22:38,611 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:22:38,612 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-12 02:22:38,612 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-12 02:22:38,624 INFO L748 eck$LassoCheckResult]: Stem: 10#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet3#1, main_#t~post2#1;havoc main_#t~nondet0#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 13#L12true assume ~v~0 >= 0;~c~0 := 0; 5#L13-3true [2023-11-12 02:22:38,625 INFO L750 eck$LassoCheckResult]: Loop: 5#L13-3true assume !!(0 != ~v~0); 7#L14true assume 0 == ~v~0 || 0 == ~v~0 - 1;main_#t~nondet3#1 := 0; 4#L14-4true ~v~0 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 9#L13-2true main_#t~post2#1 := ~c~0;~c~0 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 5#L13-3true [2023-11-12 02:22:38,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:22:38,642 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2023-11-12 02:22:38,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:22:38,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336973226] [2023-11-12 02:22:38,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:22:38,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:22:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:22:38,769 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:22:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:22:38,794 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:22:38,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:22:38,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1326982, now seen corresponding path program 1 times [2023-11-12 02:22:38,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:22:38,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545765937] [2023-11-12 02:22:38,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:22:38,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:22:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:22:38,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:22:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:22:38,845 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:22:38,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:22:38,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1805089703, now seen corresponding path program 1 times [2023-11-12 02:22:38,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:22:38,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26089084] [2023-11-12 02:22:38,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:22:38,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:22:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:22:38,872 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:22:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:22:38,882 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:22:39,038 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:22:39,039 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:22:39,039 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:22:39,039 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:22:39,040 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-12 02:22:39,040 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:39,040 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:22:39,040 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:22:39,040 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK.i_Iteration1_Loop [2023-11-12 02:22:39,040 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:22:39,040 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:22:39,056 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:22:39,069 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:22:39,072 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:22:39,080 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:22:39,130 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:22:39,130 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-12 02:22:39,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:39,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:39,140 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:39,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-12 02:22:39,149 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:22:39,149 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:22:39,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-12 02:22:39,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:39,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:39,170 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:39,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-12 02:22:39,174 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-12 02:22:39,174 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:22:39,225 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-12 02:22:39,225 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c~0=0} Honda state: {~c~0=0} Generalized eigenvectors: [{~c~0=-1}, {~c~0=4}, {~c~0=-2}] Lambdas: [5, 1, 1] Nus: [1, 0] [2023-11-12 02:22:39,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:39,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:39,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:39,232 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:39,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-12 02:22:39,237 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:22:39,237 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:22:39,265 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-12 02:22:39,265 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=0} Honda state: {ULTIMATE.start_main_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-12 02:22:39,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:39,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:39,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:39,274 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:39,281 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:22:39,281 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:22:39,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-12 02:22:39,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:39,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:39,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:39,314 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:39,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-12 02:22:39,318 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-12 02:22:39,319 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:22:39,340 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-12 02:22:39,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:39,352 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:22:39,352 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:22:39,352 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:22:39,352 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:22:39,352 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:22:39,352 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:39,352 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:22:39,353 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:22:39,353 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK.i_Iteration1_Loop [2023-11-12 02:22:39,353 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:22:39,353 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:22:39,354 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:22:39,360 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:22:39,364 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:22:39,375 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:22:39,433 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:22:39,438 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:22:39,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:39,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:39,445 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:39,450 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 [2023-11-12 02:22:39,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:22:39,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:22:39,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:22:39,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:22:39,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:22:39,468 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:22:39,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:22:39,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-12 02:22:39,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:22:39,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:39,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:39,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:39,493 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:39,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-12 02:22:39,499 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 [2023-11-12 02:22:39,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:22:39,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:22:39,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:22:39,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:22:39,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:22:39,515 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:22:39,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:22:39,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:22:39,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:39,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:39,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:39,534 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:39,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-12 02:22:39,537 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 [2023-11-12 02:22:39,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:22:39,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:22:39,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:22:39,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:22:39,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:22:39,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:22:39,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:22:39,559 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:22:39,562 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-11-12 02:22:39,562 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-12 02:22:39,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:39,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:39,589 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:39,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-12 02:22:39,593 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:22:39,594 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-12 02:22:39,594 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:22:39,594 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~v~0) = 1*~v~0 Supporting invariants [] [2023-11-12 02:22:39,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-12 02:22:39,600 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-12 02:22:39,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:22:39,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:39,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:22:39,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:22:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:39,673 WARN L260 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:22:39,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:22:39,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:22:39,800 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2023-11-12 02:22:39,803 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 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) Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 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) [2023-11-12 02:22:39,896 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 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). Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 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 51 states and 65 transitions. Complement of second has 10 states. [2023-11-12 02:22:39,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-12 02:22:39,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 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) [2023-11-12 02:22:39,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 36 transitions. [2023-11-12 02:22:39,906 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 3 letters. Loop has 4 letters. [2023-11-12 02:22:39,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:22:39,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 7 letters. Loop has 4 letters. [2023-11-12 02:22:39,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:22:39,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 3 letters. Loop has 8 letters. [2023-11-12 02:22:39,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:22:39,909 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 65 transitions. [2023-11-12 02:22:39,913 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-12 02:22:39,916 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 18 states and 22 transitions. [2023-11-12 02:22:39,918 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2023-11-12 02:22:39,918 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-12 02:22:39,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 22 transitions. [2023-11-12 02:22:39,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:22:39,919 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 22 transitions. [2023-11-12 02:22:39,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 22 transitions. [2023-11-12 02:22:39,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2023-11-12 02:22:39,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.25) internal successors, (20), 15 states have internal predecessors, (20), 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) [2023-11-12 02:22:39,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2023-11-12 02:22:39,948 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-12 02:22:39,948 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-12 02:22:39,948 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-12 02:22:39,948 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2023-11-12 02:22:39,949 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-12 02:22:39,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:22:39,950 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:22:39,955 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:22:39,955 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-12 02:22:39,955 INFO L748 eck$LassoCheckResult]: Stem: 127#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0; 128#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet3#1, main_#t~post2#1;havoc main_#t~nondet0#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 129#L12 assume ~v~0 >= 0;~c~0 := 0; 131#L13-3 assume !!(0 != ~v~0); 125#L14 assume !(0 == ~v~0 || 0 == ~v~0 - 1); 130#L14-2 assume !(~v~0 == ~v~0 - 1);assume (~v~0 < 0 && ~v~0 - 1 >= 0) || main_#t~nondet3#1 <= ~v~0;assume (~v~0 >= 0 && ~v~0 - 1 < 0) || main_#t~nondet3#1 <= ~v~0 - 1;assume (~v~0 < 0 && ~v~0 - 1 < 0) || main_#t~nondet3#1 >= 0;assume (~v~0 >= 0 && ~v~0 - 1 >= 0) || main_#t~nondet3#1 > ~v~0 + (~v~0 - 1);assume main_#t~nondet3#1 >= -2147483648; 118#L14-4 [2023-11-12 02:22:39,955 INFO L750 eck$LassoCheckResult]: Loop: 118#L14-4 ~v~0 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 119#L13-2 main_#t~post2#1 := ~c~0;~c~0 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 122#L13-3 assume !!(0 != ~v~0); 132#L14 assume 0 == ~v~0 || 0 == ~v~0 - 1;main_#t~nondet3#1 := 0; 118#L14-4 [2023-11-12 02:22:39,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:22:39,957 INFO L85 PathProgramCache]: Analyzing trace with hash 889512752, now seen corresponding path program 1 times [2023-11-12 02:22:39,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:22:39,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101940037] [2023-11-12 02:22:39,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:22:39,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:22:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:22:39,984 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:22:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:22:40,011 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:22:40,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:22:40,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1694662, now seen corresponding path program 2 times [2023-11-12 02:22:40,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:22:40,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145641826] [2023-11-12 02:22:40,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:22:40,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:22:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:22:40,023 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:22:40,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:22:40,027 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:22:40,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:22:40,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1802793099, now seen corresponding path program 1 times [2023-11-12 02:22:40,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:22:40,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862539242] [2023-11-12 02:22:40,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:22:40,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:22:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:22:40,061 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:22:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:22:40,098 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:22:40,164 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:22:40,164 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:22:40,164 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:22:40,165 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:22:40,165 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-12 02:22:40,165 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:40,165 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:22:40,165 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:22:40,165 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK.i_Iteration2_Loop [2023-11-12 02:22:40,166 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:22:40,166 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:22:40,169 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:22:40,175 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:22:40,180 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:22:40,188 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:22:40,253 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:22:40,253 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-12 02:22:40,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:40,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:40,257 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:40,270 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:22:40,271 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:22:40,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-12 02:22:40,293 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-12 02:22:40,293 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~v~0=1} Honda state: {~v~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-12 02:22:40,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:40,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:40,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:40,304 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:40,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-12 02:22:40,307 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:22:40,307 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:22:40,329 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-12 02:22:40,329 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-12 02:22:40,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:40,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:40,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:40,339 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:40,348 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:22:40,348 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:22:40,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-12 02:22:40,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:40,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:40,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:40,382 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:40,389 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-12 02:22:40,389 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:22:40,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-12 02:22:40,447 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-12 02:22:40,447 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c~0=0} Honda state: {~c~0=0} Generalized eigenvectors: [{~c~0=-1}, {~c~0=4}, {~c~0=-2}] Lambdas: [5, 1, 1] Nus: [1, 0] [2023-11-12 02:22:40,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:40,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:40,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:40,459 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:40,470 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:22:40,470 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:22:40,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-12 02:22:40,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-12 02:22:40,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:40,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:40,506 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:40,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-12 02:22:40,509 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-12 02:22:40,509 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:22:40,544 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-12 02:22:40,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:40,548 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:22:40,548 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:22:40,548 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:22:40,548 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:22:40,548 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:22:40,549 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:40,549 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:22:40,549 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:22:40,549 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK.i_Iteration2_Loop [2023-11-12 02:22:40,549 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:22:40,549 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:22:40,550 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:22:40,555 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:22:40,558 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:22:40,562 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:22:40,611 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:22:40,611 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:22:40,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:40,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:40,613 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:40,621 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 [2023-11-12 02:22:40,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-12 02:22:40,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:22:40,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:22:40,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:22:40,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:22:40,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:22:40,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:22:40,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:22:40,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:22:40,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:40,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:40,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:40,640 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:40,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-12 02:22:40,643 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 [2023-11-12 02:22:40,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:22:40,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:22:40,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:22:40,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:22:40,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:22:40,655 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:22:40,655 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:22:40,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:22:40,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:40,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:40,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:40,660 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:40,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-12 02:22:40,664 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 [2023-11-12 02:22:40,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:22:40,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:22:40,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:22:40,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:22:40,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:22:40,676 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:22:40,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:22:40,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:22:40,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:40,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:40,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:40,691 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:40,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-12 02:22:40,697 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 [2023-11-12 02:22:40,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:22:40,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:22:40,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:22:40,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:22:40,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:22:40,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:22:40,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:22:40,736 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:22:40,742 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-12 02:22:40,743 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-12 02:22:40,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:40,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:40,744 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:40,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-12 02:22:40,754 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:22:40,754 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-12 02:22:40,754 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:22:40,754 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_#t~nondet3#1) = 1*ULTIMATE.start_main_#t~nondet3#1 Supporting invariants [] [2023-11-12 02:22:40,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:40,764 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-12 02:22:40,767 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet3 could not be translated [2023-11-12 02:22:40,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:22:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:40,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:22:40,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:22:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:40,812 WARN L260 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:22:40,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:22:40,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:22:40,852 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-12 02:22:40,852 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2023-11-12 02:22:40,908 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 29 states and 37 transitions. Complement of second has 9 states. [2023-11-12 02:22:40,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-12 02:22:40,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2023-11-12 02:22:40,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2023-11-12 02:22:40,911 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 6 letters. Loop has 4 letters. [2023-11-12 02:22:40,911 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:22:40,911 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 10 letters. Loop has 4 letters. [2023-11-12 02:22:40,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:22:40,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 6 letters. Loop has 8 letters. [2023-11-12 02:22:40,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:22:40,912 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 37 transitions. [2023-11-12 02:22:40,917 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-12 02:22:40,921 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 24 states and 29 transitions. [2023-11-12 02:22:40,921 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-12 02:22:40,921 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-12 02:22:40,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 29 transitions. [2023-11-12 02:22:40,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:22:40,921 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 29 transitions. [2023-11-12 02:22:40,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 29 transitions. [2023-11-12 02:22:40,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2023-11-12 02:22:40,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 22 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) [2023-11-12 02:22:40,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2023-11-12 02:22:40,924 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 28 transitions. [2023-11-12 02:22:40,924 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2023-11-12 02:22:40,924 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-12 02:22:40,925 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 28 transitions. [2023-11-12 02:22:40,925 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-12 02:22:40,925 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:22:40,926 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:22:40,926 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:22:40,926 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-12 02:22:40,926 INFO L748 eck$LassoCheckResult]: Stem: 231#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0; 232#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet3#1, main_#t~post2#1;havoc main_#t~nondet0#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 233#L12 assume ~v~0 >= 0;~c~0 := 0; 238#L13-3 assume !!(0 != ~v~0); 229#L14 assume !(0 == ~v~0 || 0 == ~v~0 - 1); 234#L14-2 assume !(~v~0 == ~v~0 - 1);assume (~v~0 < 0 && ~v~0 - 1 >= 0) || main_#t~nondet3#1 <= ~v~0;assume (~v~0 >= 0 && ~v~0 - 1 < 0) || main_#t~nondet3#1 <= ~v~0 - 1;assume (~v~0 < 0 && ~v~0 - 1 < 0) || main_#t~nondet3#1 >= 0;assume (~v~0 >= 0 && ~v~0 - 1 >= 0) || main_#t~nondet3#1 > ~v~0 + (~v~0 - 1);assume main_#t~nondet3#1 >= -2147483648; 236#L14-4 ~v~0 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 222#L13-2 [2023-11-12 02:22:40,926 INFO L750 eck$LassoCheckResult]: Loop: 222#L13-2 main_#t~post2#1 := ~c~0;~c~0 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 225#L13-3 assume !!(0 != ~v~0); 243#L14 assume !(0 == ~v~0 || 0 == ~v~0 - 1); 242#L14-2 assume !(~v~0 == ~v~0 - 1);assume (~v~0 < 0 && ~v~0 - 1 >= 0) || main_#t~nondet3#1 <= ~v~0;assume (~v~0 >= 0 && ~v~0 - 1 < 0) || main_#t~nondet3#1 <= ~v~0 - 1;assume (~v~0 < 0 && ~v~0 - 1 < 0) || main_#t~nondet3#1 >= 0;assume (~v~0 >= 0 && ~v~0 - 1 >= 0) || main_#t~nondet3#1 > ~v~0 + (~v~0 - 1);assume main_#t~nondet3#1 >= -2147483648; 221#L14-4 ~v~0 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 222#L13-2 [2023-11-12 02:22:40,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:22:40,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1805091561, now seen corresponding path program 1 times [2023-11-12 02:22:40,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:22:40,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558596615] [2023-11-12 02:22:40,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:22:40,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:22:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:22:40,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:22:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:22:40,967 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:22:40,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:22:40,970 INFO L85 PathProgramCache]: Analyzing trace with hash 53969537, now seen corresponding path program 1 times [2023-11-12 02:22:40,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:22:40,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568906417] [2023-11-12 02:22:40,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:22:40,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:22:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:22:40,981 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:22:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:22:40,995 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:22:40,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:22:40,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1612345191, now seen corresponding path program 1 times [2023-11-12 02:22:40,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:22:40,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225921190] [2023-11-12 02:22:40,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:22:40,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:22:41,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:22:41,017 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:22:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:22:41,035 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:22:41,177 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:22:41,177 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:22:41,177 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:22:41,177 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:22:41,177 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-12 02:22:41,177 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:41,177 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:22:41,178 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:22:41,178 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK.i_Iteration3_Loop [2023-11-12 02:22:41,178 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:22:41,178 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:22:41,179 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:22:41,182 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:22:41,185 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:22:41,328 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:22:41,328 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-12 02:22:41,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:41,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:41,345 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:41,350 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:22:41,350 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:22:41,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-12 02:22:41,368 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-12 02:22:41,368 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-12 02:22:41,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:41,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:41,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:41,378 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:41,381 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:22:41,381 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:22:41,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-12 02:22:41,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-12 02:22:41,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:41,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:41,397 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:41,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-12 02:22:41,401 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-12 02:22:41,401 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:22:41,451 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-12 02:22:41,451 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c~0=0} Honda state: {~c~0=0} Generalized eigenvectors: [{~c~0=-1}, {~c~0=4}, {~c~0=-2}] Lambdas: [5, 1, 1] Nus: [1, 0] [2023-11-12 02:22:41,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-11-12 02:22:41,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:41,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:41,455 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:41,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-12 02:22:41,458 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:22:41,458 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:22:41,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-11-12 02:22:41,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:41,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:41,534 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:41,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-12 02:22:41,537 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-12 02:22:41,537 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:22:41,573 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-12 02:22:41,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:41,578 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:22:41,578 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:22:41,578 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:22:41,578 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:22:41,578 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:22:41,578 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:41,578 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:22:41,578 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:22:41,578 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK.i_Iteration3_Loop [2023-11-12 02:22:41,578 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:22:41,579 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:22:41,580 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:22:41,583 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:22:41,587 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:22:41,739 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:22:41,739 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:22:41,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:41,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:41,749 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:41,758 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 [2023-11-12 02:22:41,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:22:41,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:22:41,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:22:41,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:22:41,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:22:41,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:22:41,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:22:41,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-12 02:22:41,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:22:41,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:41,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:41,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:41,794 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:41,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-12 02:22:41,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-11-12 02:22:41,824 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 [2023-11-12 02:22:41,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:22:41,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:22:41,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:22:41,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:22:41,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:22:41,838 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:22:41,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:22:41,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:22:41,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:41,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:41,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:41,860 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:41,870 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 [2023-11-12 02:22:41,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:22:41,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:22:41,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:22:41,882 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-12 02:22:41,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:22:41,887 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-12 02:22:41,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:22:41,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-12 02:22:41,908 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:22:41,921 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-12 02:22:41,921 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-12 02:22:41,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:22:41,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:41,923 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:41,929 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:22:41,929 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-12 02:22:41,929 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:22:41,929 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~v~0) = 2*~v~0 + 4294967295 Supporting invariants [] [2023-11-12 02:22:41,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-12 02:22:41,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:41,937 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-12 02:22:41,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:22:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:41,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:22:41,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:22:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:41,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:22:41,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:22:42,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:22:42,104 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-12 02:22:42,104 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 28 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2023-11-12 02:22:42,188 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 28 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 52 states and 62 transitions. Complement of second has 8 states. [2023-11-12 02:22:42,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-12 02:22:42,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2023-11-12 02:22:42,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2023-11-12 02:22:42,191 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 7 letters. Loop has 5 letters. [2023-11-12 02:22:42,191 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:22:42,191 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 12 letters. Loop has 5 letters. [2023-11-12 02:22:42,191 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:22:42,192 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 7 letters. Loop has 10 letters. [2023-11-12 02:22:42,192 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:22:42,192 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 62 transitions. [2023-11-12 02:22:42,194 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-12 02:22:42,194 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 0 states and 0 transitions. [2023-11-12 02:22:42,195 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-12 02:22:42,195 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-12 02:22:42,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-12 02:22:42,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:22:42,195 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:22:42,195 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:22:42,195 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:22:42,196 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-12 02:22:42,196 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:22:42,196 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-12 02:22:42,196 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-12 02:22:42,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 02:22:42 BoogieIcfgContainer [2023-11-12 02:22:42,204 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-12 02:22:42,204 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:22:42,204 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:22:42,204 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:22:42,205 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:22:38" (3/4) ... [2023-11-12 02:22:42,207 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:22:42,208 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:22:42,209 INFO L158 Benchmark]: Toolchain (without parser) took 4253.61ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 121.2MB in the beginning and 143.1MB in the end (delta: -21.9MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2023-11-12 02:22:42,209 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 161.5MB. Free memory is still 132.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:22:42,210 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.97ms. Allocated memory is still 161.5MB. Free memory was 121.2MB in the beginning and 111.9MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 02:22:42,210 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.27ms. Allocated memory is still 161.5MB. Free memory was 111.9MB in the beginning and 110.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:22:42,211 INFO L158 Benchmark]: Boogie Preprocessor took 29.32ms. Allocated memory is still 161.5MB. Free memory was 110.4MB in the beginning and 109.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:22:42,211 INFO L158 Benchmark]: RCFGBuilder took 244.89ms. Allocated memory is still 161.5MB. Free memory was 109.2MB in the beginning and 99.3MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 02:22:42,212 INFO L158 Benchmark]: BuchiAutomizer took 3736.26ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 99.3MB in the beginning and 144.2MB in the end (delta: -44.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:22:42,212 INFO L158 Benchmark]: Witness Printer took 4.01ms. Allocated memory is still 195.0MB. Free memory is still 143.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:22:42,215 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 161.5MB. Free memory is still 132.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 196.97ms. Allocated memory is still 161.5MB. Free memory was 121.2MB in the beginning and 111.9MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.27ms. Allocated memory is still 161.5MB. Free memory was 111.9MB in the beginning and 110.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.32ms. Allocated memory is still 161.5MB. Free memory was 110.4MB in the beginning and 109.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 244.89ms. Allocated memory is still 161.5MB. Free memory was 109.2MB in the beginning and 99.3MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3736.26ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 99.3MB in the beginning and 144.2MB in the end (delta: -44.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.01ms. Allocated memory is still 195.0MB. Free memory is still 143.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet3 could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function v and consists of 6 locations. One deterministic module has affine ranking function NULL and consists of 6 locations. One deterministic module has affine ranking function ((2 * v) + 4294967295) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 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, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 31 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital25 mio100 ax100 hnf100 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq173 hnf90 smp100 dnf234 smp73 tf110 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 73ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-12 02:22:42,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-12 02:22:42,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3dd500c-010b-4d41-9048-a8abc54da8b1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE