./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-nla/dijkstra1-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/dijkstra1-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2c19e6821eec12ef8284f33ab77e3183032aa426313dfebebf501fe3b6a052c3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 20:37:13,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 20:37:13,833 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-28 20:37:13,837 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 20:37:13,838 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 20:37:13,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 20:37:13,865 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 20:37:13,866 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 20:37:13,867 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 20:37:13,867 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 20:37:13,868 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 20:37:13,869 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 20:37:13,869 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 20:37:13,870 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-28 20:37:13,870 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-28 20:37:13,871 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-28 20:37:13,871 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-28 20:37:13,872 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-28 20:37:13,872 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-28 20:37:13,873 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 20:37:13,873 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-28 20:37:13,877 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-28 20:37:13,878 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 20:37:13,878 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-28 20:37:13,878 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 20:37:13,879 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-28 20:37:13,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-28 20:37:13,880 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-28 20:37:13,880 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-28 20:37:13,880 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-28 20:37:13,881 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 20:37:13,881 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-28 20:37:13,881 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 20:37:13,882 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 20:37:13,882 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 20:37:13,882 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 20:37:13,882 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-28 20:37:13,883 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-28 20:37:13,883 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_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c19e6821eec12ef8284f33ab77e3183032aa426313dfebebf501fe3b6a052c3 [2023-11-28 20:37:14,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 20:37:14,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 20:37:14,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 20:37:14,157 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 20:37:14,157 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 20:37:14,159 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/termination-nla/dijkstra1-both-t.c [2023-11-28 20:37:17,454 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 20:37:17,635 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 20:37:17,635 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/sv-benchmarks/c/termination-nla/dijkstra1-both-t.c [2023-11-28 20:37:17,642 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/data/9cce34f00/606c9a501d3d4cac8aff31606b45faa7/FLAG5177c372b [2023-11-28 20:37:17,658 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/data/9cce34f00/606c9a501d3d4cac8aff31606b45faa7 [2023-11-28 20:37:17,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 20:37:17,662 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 20:37:17,663 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 20:37:17,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 20:37:17,668 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 20:37:17,668 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:37:17" (1/1) ... [2023-11-28 20:37:17,669 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee438cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:17, skipping insertion in model container [2023-11-28 20:37:17,670 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:37:17" (1/1) ... [2023-11-28 20:37:17,691 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 20:37:17,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:37:17,840 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 20:37:17,855 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:37:17,868 INFO L206 MainTranslator]: Completed translation [2023-11-28 20:37:17,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:17 WrapperNode [2023-11-28 20:37:17,869 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 20:37:17,870 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 20:37:17,870 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 20:37:17,871 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 20:37:17,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:17" (1/1) ... [2023-11-28 20:37:17,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:17" (1/1) ... [2023-11-28 20:37:17,898 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2023-11-28 20:37:17,899 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 20:37:17,900 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 20:37:17,900 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 20:37:17,900 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 20:37:17,911 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:17" (1/1) ... [2023-11-28 20:37:17,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:17" (1/1) ... [2023-11-28 20:37:17,912 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:17" (1/1) ... [2023-11-28 20:37:17,918 INFO L175 MemorySlicer]: No memory access in input program. [2023-11-28 20:37:17,919 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:17" (1/1) ... [2023-11-28 20:37:17,919 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:17" (1/1) ... [2023-11-28 20:37:17,922 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:17" (1/1) ... [2023-11-28 20:37:17,927 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:17" (1/1) ... [2023-11-28 20:37:17,928 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:17" (1/1) ... [2023-11-28 20:37:17,929 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:17" (1/1) ... [2023-11-28 20:37:17,931 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 20:37:17,932 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 20:37:17,932 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 20:37:17,933 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 20:37:17,934 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:17" (1/1) ... [2023-11-28 20:37:17,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:17,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:17,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:17,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-28 20:37:18,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 20:37:18,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 20:37:18,077 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 20:37:18,079 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 20:37:18,188 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 20:37:18,200 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 20:37:18,200 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-28 20:37:18,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:37:18 BoogieIcfgContainer [2023-11-28 20:37:18,202 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 20:37:18,204 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-28 20:37:18,204 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-28 20:37:18,209 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-28 20:37:18,210 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-28 20:37:18,210 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:37:17" (1/3) ... [2023-11-28 20:37:18,212 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ebef101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:37:18, skipping insertion in model container [2023-11-28 20:37:18,212 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-28 20:37:18,212 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:17" (2/3) ... [2023-11-28 20:37:18,212 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ebef101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:37:18, skipping insertion in model container [2023-11-28 20:37:18,213 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-28 20:37:18,213 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:37:18" (3/3) ... [2023-11-28 20:37:18,214 INFO L332 chiAutomizerObserver]: Analyzing ICFG dijkstra1-both-t.c [2023-11-28 20:37:18,274 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-28 20:37:18,275 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-28 20:37:18,275 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-28 20:37:18,275 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-28 20:37:18,275 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-28 20:37:18,275 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-28 20:37:18,276 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-28 20:37:18,276 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-28 20:37:18,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 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) [2023-11-28 20:37:18,296 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2023-11-28 20:37:18,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 20:37:18,297 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 20:37:18,301 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-28 20:37:18,302 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-28 20:37:18,302 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-28 20:37:18,302 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 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) [2023-11-28 20:37:18,303 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2023-11-28 20:37:18,303 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 20:37:18,303 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 20:37:18,304 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-28 20:37:18,304 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-28 20:37:18,310 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~n~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~h~0#1;havoc main_~n~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~h~0#1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 6#L25true assume !(main_~n~0#1 >= 1073741824);main_~p~0#1 := 0;main_~q~0#1 := 1;main_~r~0#1 := main_~n~0#1;main_~h~0#1 := 0; 2#L32-2true [2023-11-28 20:37:18,311 INFO L750 eck$LassoCheckResult]: Loop: 2#L32-2true assume !!(main_~q~0#1 <= main_~n~0#1);main_~q~0#1 := 4 * main_~q~0#1; 2#L32-2true [2023-11-28 20:37:18,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:18,317 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-11-28 20:37:18,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:18,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453272375] [2023-11-28 20:37:18,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:18,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:18,408 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:37:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:18,431 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:37:18,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:18,434 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2023-11-28 20:37:18,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:18,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058473610] [2023-11-28 20:37:18,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:18,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:18,442 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:37:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:18,448 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:37:18,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:18,451 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2023-11-28 20:37:18,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:18,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2336352] [2023-11-28 20:37:18,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:18,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:18,465 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:37:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:18,475 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:37:18,630 INFO L210 LassoAnalysis]: Preferences: [2023-11-28 20:37:18,631 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-28 20:37:18,631 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-28 20:37:18,631 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-28 20:37:18,631 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-28 20:37:18,631 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:18,631 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-28 20:37:18,632 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-28 20:37:18,632 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration1_Lasso [2023-11-28 20:37:18,632 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-28 20:37:18,632 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-28 20:37:18,653 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:18,681 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:18,685 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:18,688 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:18,693 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:18,786 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-28 20:37:18,787 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-28 20:37:18,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:18,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:18,792 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:18,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-28 20:37:18,795 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-28 20:37:18,796 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-28 20:37:18,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:18,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:18,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:18,835 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:18,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-28 20:37:18,839 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-28 20:37:18,841 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-28 20:37:30,953 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2023-11-28 20:37:30,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-28 20:37:30,971 INFO L210 LassoAnalysis]: Preferences: [2023-11-28 20:37:30,971 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-28 20:37:30,971 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-28 20:37:30,971 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-28 20:37:30,972 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-28 20:37:30,972 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:30,972 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-28 20:37:30,972 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-28 20:37:30,972 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration1_Lasso [2023-11-28 20:37:30,972 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-28 20:37:30,972 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-28 20:37:30,975 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:30,991 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:30,995 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:31,000 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:31,003 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:31,083 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-28 20:37:31,088 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-28 20:37:31,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:31,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:31,092 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:31,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-28 20:37:31,095 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 [2023-11-28 20:37:31,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:31,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:31,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:31,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:31,124 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 20:37:31,124 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 20:37:31,141 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-28 20:37:31,151 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-28 20:37:31,151 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-28 20:37:31,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:31,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:31,174 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:31,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-28 20:37:31,178 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-28 20:37:31,193 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-28 20:37:31,194 INFO L513 LassoAnalysis]: Proved termination. [2023-11-28 20:37:31,194 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1, ULTIMATE.start_main_~q~0#1) = 2*ULTIMATE.start_main_~n~0#1 - 2*ULTIMATE.start_main_~q~0#1 + 3 Supporting invariants [1*ULTIMATE.start_main_~q~0#1 - 1 >= 0] [2023-11-28 20:37:31,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-28 20:37:31,206 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-11-28 20:37:31,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:31,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-28 20:37:31,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:37:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:31,285 WARN L260 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-28 20:37:31,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:37:31,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:37:31,329 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-28 20:37:31,331 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:37:31,402 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 37 transitions. Complement of second has 6 states. [2023-11-28 20:37:31,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-28 20:37:31,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:37:31,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2023-11-28 20:37:31,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 3 letters. Loop has 1 letters. [2023-11-28 20:37:31,414 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 20:37:31,414 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 4 letters. Loop has 1 letters. [2023-11-28 20:37:31,415 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 20:37:31,415 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 3 letters. Loop has 2 letters. [2023-11-28 20:37:31,415 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 20:37:31,416 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 37 transitions. [2023-11-28 20:37:31,419 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-28 20:37:31,423 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 8 states and 11 transitions. [2023-11-28 20:37:31,424 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-11-28 20:37:31,425 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2023-11-28 20:37:31,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2023-11-28 20:37:31,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:37:31,426 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2023-11-28 20:37:31,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2023-11-28 20:37:31,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2023-11-28 20:37:31,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 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) [2023-11-28 20:37:31,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2023-11-28 20:37:31,450 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 10 transitions. [2023-11-28 20:37:31,450 INFO L428 stractBuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2023-11-28 20:37:31,450 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-28 20:37:31,450 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2023-11-28 20:37:31,451 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-28 20:37:31,451 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 20:37:31,451 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 20:37:31,453 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-28 20:37:31,453 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-28 20:37:31,453 INFO L748 eck$LassoCheckResult]: Stem: 85#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 86#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~n~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~h~0#1;havoc main_~n~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~h~0#1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 84#L25 assume !(main_~n~0#1 >= 1073741824);main_~p~0#1 := 0;main_~q~0#1 := 1;main_~r~0#1 := main_~n~0#1;main_~h~0#1 := 0; 80#L32-2 assume !(main_~q~0#1 <= main_~n~0#1); 82#L53-2 [2023-11-28 20:37:31,453 INFO L750 eck$LassoCheckResult]: Loop: 82#L53-2 assume !!(main_~r~0#1 >= 2 * main_~p~0#1 + main_~q~0#1);main_~q~0#1 := (if main_~q~0#1 < 0 && 0 != main_~q~0#1 % 4 then 1 + main_~q~0#1 / 4 else main_~q~0#1 / 4);main_~h~0#1 := main_~p~0#1 + main_~q~0#1;main_~p~0#1 := (if main_~p~0#1 < 0 && 0 != main_~p~0#1 % 2 then 1 + main_~p~0#1 / 2 else main_~p~0#1 / 2); 83#L53 assume !(main_~r~0#1 >= main_~h~0#1); 82#L53-2 [2023-11-28 20:37:31,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:31,454 INFO L85 PathProgramCache]: Analyzing trace with hash 925674, now seen corresponding path program 1 times [2023-11-28 20:37:31,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:31,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641242386] [2023-11-28 20:37:31,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:31,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:31,462 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:37:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:31,468 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:37:31,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:31,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1830, now seen corresponding path program 1 times [2023-11-28 20:37:31,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:31,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951265219] [2023-11-28 20:37:31,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:31,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:31,494 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:37:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:31,510 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:37:31,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:31,511 INFO L85 PathProgramCache]: Analyzing trace with hash 889573583, now seen corresponding path program 1 times [2023-11-28 20:37:31,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:31,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969658509] [2023-11-28 20:37:31,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:31,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:31,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:37:31,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:37:31,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969658509] [2023-11-28 20:37:31,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969658509] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:37:31,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:37:31,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:37:31,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274895743] [2023-11-28 20:37:31,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:37:31,905 INFO L210 LassoAnalysis]: Preferences: [2023-11-28 20:37:31,906 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-28 20:37:31,906 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-28 20:37:31,906 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-28 20:37:31,906 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-28 20:37:31,906 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:31,906 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-28 20:37:31,906 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-28 20:37:31,906 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration2_Loop [2023-11-28 20:37:31,906 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-28 20:37:31,907 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-28 20:37:31,910 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:32,301 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2023-11-28 20:37:32,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:33,537 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-28 20:37:33,537 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-28 20:37:33,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:33,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:33,539 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:33,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-28 20:37:33,546 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-28 20:37:33,546 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-28 20:37:33,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-28 20:37:33,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:33,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:33,692 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:33,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-28 20:37:33,695 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-28 20:37:33,695 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-28 20:37:46,274 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2023-11-28 20:37:46,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-28 20:37:46,296 INFO L210 LassoAnalysis]: Preferences: [2023-11-28 20:37:46,296 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-28 20:37:46,296 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-28 20:37:46,296 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-28 20:37:46,296 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-28 20:37:46,296 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:46,296 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-28 20:37:46,296 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-28 20:37:46,296 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration2_Loop [2023-11-28 20:37:46,296 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-28 20:37:46,296 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-28 20:37:46,300 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:46,568 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2023-11-28 20:37:47,743 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-28 20:37:47,743 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-28 20:37:47,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:47,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:47,745 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:47,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-28 20:37:47,748 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 [2023-11-28 20:37:47,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:47,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:47,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:47,761 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-11-28 20:37:47,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:47,788 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-28 20:37:47,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:47,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:47,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-28 20:37:47,817 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-11-28 20:37:47,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:47,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:47,820 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:47,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-28 20:37:47,827 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 [2023-11-28 20:37:47,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:47,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:47,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:47,841 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-11-28 20:37:47,841 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-28 20:37:47,879 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2023-11-28 20:37:47,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:47,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:47,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-28 20:37:47,936 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-11-28 20:37:47,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:47,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:47,938 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:47,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-28 20:37:47,942 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 [2023-11-28 20:37:47,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:47,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:47,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:47,954 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-11-28 20:37:47,954 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:37:48,000 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2023-11-28 20:37:48,000 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:48,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:48,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-28 20:37:48,056 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-11-28 20:37:48,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:48,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:48,058 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:48,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-28 20:37:48,061 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 [2023-11-28 20:37:48,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:48,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:48,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:48,075 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-11-28 20:37:48,075 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-28 20:37:48,133 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2023-11-28 20:37:48,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:48,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:48,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-28 20:37:48,207 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-11-28 20:37:48,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:48,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:48,208 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:48,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-28 20:37:48,211 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 [2023-11-28 20:37:48,222 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:48,222 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-28 20:37:48,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:48,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:48,222 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-11-28 20:37:48,222 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-28 20:37:48,254 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2023-11-28 20:37:48,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:48,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:48,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-28 20:37:48,409 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-11-28 20:37:48,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:48,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:48,410 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:48,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-28 20:37:48,413 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 [2023-11-28 20:37:48,426 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:48,427 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-28 20:37:48,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:48,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:48,427 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-11-28 20:37:48,427 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:37:48,473 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2023-11-28 20:37:48,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:48,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:48,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-28 20:37:48,858 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-11-28 20:37:48,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:48,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:48,860 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:48,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-28 20:37:48,862 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 [2023-11-28 20:37:48,874 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:48,874 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-28 20:37:48,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:48,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:48,875 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-11-28 20:37:48,875 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-28 20:37:48,935 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2023-11-28 20:37:48,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:51,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:51,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-28 20:37:51,814 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-11-28 20:37:51,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:51,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:51,815 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:51,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-28 20:37:51,818 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 [2023-11-28 20:37:51,830 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:37:51,830 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-28 20:37:51,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:51,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:51,830 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-11-28 20:37:51,830 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:37:51,869 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2023-11-28 20:37:51,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:51,958 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-28 20:37:52,122 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-28 20:37:52,122 INFO L444 ModelExtractionUtils]: 2 out of 12 variables were initially zero. Simplification set additionally 2 variables to zero. [2023-11-28 20:37:52,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:52,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:52,124 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:52,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-28 20:37:52,126 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-28 20:37:52,126 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-28 20:37:52,126 INFO L513 LassoAnalysis]: Proved termination. [2023-11-28 20:37:52,126 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-lexicographic ranking function: f(ULTIMATE.start_main_~q~0#1, ULTIMATE.start_main_~p~0#1, ULTIMATE.start_main_~r~0#1) = Supporting invariants [] [2023-11-28 20:37:52,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-28 20:37:52,134 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-28 20:37:52,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:52,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-28 20:37:52,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:37:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:52,182 WARN L260 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-28 20:37:52,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:37:52,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:55,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:37:55,903 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-28 20:37:55,903 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:37:55,947 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 11 states and 16 transitions. Complement of second has 5 states. [2023-11-28 20:37:55,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-28 20:37:55,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:37:55,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2023-11-28 20:37:55,949 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-28 20:37:55,949 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 20:37:55,949 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2023-11-28 20:37:55,949 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 20:37:55,949 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 4 letters. [2023-11-28 20:37:55,950 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 20:37:55,950 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 16 transitions. [2023-11-28 20:37:55,950 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-28 20:37:55,951 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 16 transitions. [2023-11-28 20:37:55,951 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-11-28 20:37:55,951 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-11-28 20:37:55,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 16 transitions. [2023-11-28 20:37:55,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-28 20:37:55,952 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 16 transitions. [2023-11-28 20:37:55,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 16 transitions. [2023-11-28 20:37:55,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-11-28 20:37:55,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 states have internal predecessors, (16), 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) [2023-11-28 20:37:55,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2023-11-28 20:37:55,954 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 16 transitions. [2023-11-28 20:37:55,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:37:55,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:37:55,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:37:55,957 INFO L87 Difference]: Start difference. First operand 11 states and 16 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:37:55,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:37:55,976 INFO L93 Difference]: Finished difference Result 10 states and 13 transitions. [2023-11-28 20:37:55,977 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 13 transitions. [2023-11-28 20:37:55,977 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-28 20:37:55,978 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 9 states and 12 transitions. [2023-11-28 20:37:55,978 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-11-28 20:37:55,978 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-11-28 20:37:55,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2023-11-28 20:37:55,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:37:55,979 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-11-28 20:37:55,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2023-11-28 20:37:55,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-11-28 20:37:55,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 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) [2023-11-28 20:37:55,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2023-11-28 20:37:55,980 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-11-28 20:37:55,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 20:37:55,982 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-11-28 20:37:55,982 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-28 20:37:55,982 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2023-11-28 20:37:55,982 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-28 20:37:55,983 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 20:37:55,983 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 20:37:55,983 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-28 20:37:55,983 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-28 20:37:55,983 INFO L748 eck$LassoCheckResult]: Stem: 168#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 169#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~n~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~h~0#1;havoc main_~n~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~h~0#1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 167#L25 assume !(main_~n~0#1 >= 1073741824);main_~p~0#1 := 0;main_~q~0#1 := 1;main_~r~0#1 := main_~n~0#1;main_~h~0#1 := 0; 162#L32-2 assume !(main_~q~0#1 <= main_~n~0#1); 164#L53-2 assume !!(main_~r~0#1 >= 2 * main_~p~0#1 + main_~q~0#1);main_~q~0#1 := (if main_~q~0#1 < 0 && 0 != main_~q~0#1 % 4 then 1 + main_~q~0#1 / 4 else main_~q~0#1 / 4);main_~h~0#1 := main_~p~0#1 + main_~q~0#1;main_~p~0#1 := (if main_~p~0#1 < 0 && 0 != main_~p~0#1 % 2 then 1 + main_~p~0#1 / 2 else main_~p~0#1 / 2); 170#L53 assume main_~r~0#1 >= main_~h~0#1;main_~p~0#1 := main_~p~0#1 + main_~q~0#1;main_~r~0#1 := main_~r~0#1 - main_~h~0#1; 165#L53-2 [2023-11-28 20:37:55,983 INFO L750 eck$LassoCheckResult]: Loop: 165#L53-2 assume !!(main_~r~0#1 >= 2 * main_~p~0#1 + main_~q~0#1);main_~q~0#1 := (if main_~q~0#1 < 0 && 0 != main_~q~0#1 % 4 then 1 + main_~q~0#1 / 4 else main_~q~0#1 / 4);main_~h~0#1 := main_~p~0#1 + main_~q~0#1;main_~p~0#1 := (if main_~p~0#1 < 0 && 0 != main_~p~0#1 % 2 then 1 + main_~p~0#1 / 2 else main_~p~0#1 / 2); 166#L53 assume !(main_~r~0#1 >= main_~h~0#1); 165#L53-2 [2023-11-28 20:37:55,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:55,984 INFO L85 PathProgramCache]: Analyzing trace with hash 889573581, now seen corresponding path program 1 times [2023-11-28 20:37:55,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:55,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012554237] [2023-11-28 20:37:55,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:55,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:56,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:37:56,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:37:56,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012554237] [2023-11-28 20:37:56,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012554237] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:37:56,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:37:56,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 20:37:56,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311950500] [2023-11-28 20:37:56,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:37:56,033 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-28 20:37:56,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:56,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1830, now seen corresponding path program 2 times [2023-11-28 20:37:56,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:56,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147359601] [2023-11-28 20:37:56,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:56,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:56,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:37:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:56,052 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:37:56,162 INFO L210 LassoAnalysis]: Preferences: [2023-11-28 20:37:56,162 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-28 20:37:56,162 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-28 20:37:56,162 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-28 20:37:56,162 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-28 20:37:56,162 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:56,163 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-28 20:37:56,163 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-28 20:37:56,163 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration3_Loop [2023-11-28 20:37:56,163 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-28 20:37:56,163 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-28 20:37:56,164 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:56,417 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2023-11-28 20:37:57,402 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-28 20:37:57,402 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-28 20:37:57,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:57,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:57,404 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:57,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-28 20:37:57,406 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-28 20:37:57,406 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-28 20:37:57,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-11-28 20:37:57,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:57,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:57,569 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:57,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-28 20:37:57,571 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-28 20:37:57,571 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-28 20:38:01,960 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-28 20:38:01,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-28 20:38:01,969 INFO L210 LassoAnalysis]: Preferences: [2023-11-28 20:38:01,969 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-28 20:38:01,969 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-28 20:38:01,969 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-28 20:38:01,969 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-28 20:38:01,969 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:38:01,969 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-28 20:38:01,969 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-28 20:38:01,969 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration3_Loop [2023-11-28 20:38:01,970 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-28 20:38:01,970 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-28 20:38:01,971 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:38:02,239 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2023-11-28 20:38:03,122 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-28 20:38:03,122 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-28 20:38:03,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:38:03,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:38:03,123 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:38:03,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-28 20:38:03,126 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 [2023-11-28 20:38:03,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:38:03,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:38:03,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:38:03,138 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-11-28 20:38:03,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:38:03,158 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-28 20:38:03,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:38:03,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:38:03,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-11-28 20:38:03,188 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-11-28 20:38:03,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:38:03,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:38:03,189 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:38:03,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-28 20:38:03,192 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 [2023-11-28 20:38:03,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:38:03,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:38:03,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:38:03,204 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-11-28 20:38:03,204 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-28 20:38:03,224 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2023-11-28 20:38:03,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:38:03,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:38:03,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-11-28 20:38:03,269 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-11-28 20:38:03,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:38:03,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:38:03,270 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:38:03,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-28 20:38:03,273 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 [2023-11-28 20:38:03,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:38:03,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:38:03,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:38:03,287 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-11-28 20:38:03,287 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:38:03,316 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2023-11-28 20:38:03,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:38:03,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:38:03,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-28 20:38:03,373 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-11-28 20:38:03,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:38:03,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:38:03,374 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:38:03,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-28 20:38:03,377 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 [2023-11-28 20:38:03,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:38:03,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:38:03,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:38:03,391 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-11-28 20:38:03,392 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-28 20:38:03,450 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2023-11-28 20:38:03,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:38:03,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:38:03,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-28 20:38:03,522 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-11-28 20:38:03,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:38:03,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:38:03,523 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:38:03,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-28 20:38:03,526 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 [2023-11-28 20:38:03,539 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:38:03,539 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-28 20:38:03,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:38:03,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:38:03,539 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-11-28 20:38:03,539 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-28 20:38:03,566 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2023-11-28 20:38:03,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:38:03,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:38:03,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-28 20:38:03,677 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-11-28 20:38:03,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:38:03,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:38:03,678 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:38:03,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-28 20:38:03,681 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 [2023-11-28 20:38:03,694 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:38:03,694 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-28 20:38:03,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:38:03,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:38:03,695 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-11-28 20:38:03,695 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:38:03,729 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2023-11-28 20:38:03,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:38:04,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:38:04,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-28 20:38:04,013 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-11-28 20:38:04,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:38:04,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:38:04,014 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:38:04,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-28 20:38:04,016 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 [2023-11-28 20:38:04,032 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:38:04,032 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-28 20:38:04,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:38:04,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:38:04,033 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-11-28 20:38:04,033 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-28 20:38:04,079 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2023-11-28 20:38:04,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:38:05,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:38:05,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-28 20:38:05,360 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-11-28 20:38:05,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:38:05,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:38:05,362 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:38:05,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-28 20:38:05,364 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 [2023-11-28 20:38:05,377 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-28 20:38:05,377 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-28 20:38:05,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:38:05,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:38:05,378 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-11-28 20:38:05,378 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-28 20:38:05,406 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2023-11-28 20:38:05,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:38:05,550 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-28 20:38:05,824 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-28 20:38:05,824 INFO L444 ModelExtractionUtils]: 2 out of 12 variables were initially zero. Simplification set additionally 2 variables to zero. [2023-11-28 20:38:05,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:38:05,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:38:05,825 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:38:05,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-28 20:38:05,827 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-28 20:38:05,827 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-28 20:38:05,838 INFO L513 LassoAnalysis]: Proved termination. [2023-11-28 20:38:05,838 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-lexicographic ranking function: f(ULTIMATE.start_main_~p~0#1, ULTIMATE.start_main_~r~0#1, ULTIMATE.start_main_~q~0#1) = Supporting invariants [] [2023-11-28 20:38:05,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-28 20:38:05,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-28 20:38:05,847 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-28 20:38:05,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:38:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:05,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-28 20:38:05,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:38:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:05,891 WARN L260 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-28 20:38:05,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:38:15,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:38:15,678 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-28 20:38:15,678 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:38:15,752 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 18 transitions. Complement of second has 5 states. [2023-11-28 20:38:15,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-28 20:38:15,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:38:15,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2023-11-28 20:38:15,754 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 6 letters. Loop has 2 letters. [2023-11-28 20:38:15,754 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 20:38:15,754 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 8 letters. Loop has 2 letters. [2023-11-28 20:38:15,754 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 20:38:15,754 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 6 letters. Loop has 4 letters. [2023-11-28 20:38:15,754 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 20:38:15,754 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2023-11-28 20:38:15,755 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-28 20:38:15,755 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 18 transitions. [2023-11-28 20:38:15,755 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-28 20:38:15,755 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-28 20:38:15,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2023-11-28 20:38:15,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-28 20:38:15,755 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-28 20:38:15,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2023-11-28 20:38:15,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-28 20:38:15,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 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) [2023-11-28 20:38:15,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2023-11-28 20:38:15,757 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-28 20:38:15,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:38:15,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:38:15,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:38:15,757 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:38:15,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:38:15,771 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2023-11-28 20:38:15,771 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 7 transitions. [2023-11-28 20:38:15,771 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-28 20:38:15,771 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 0 states and 0 transitions. [2023-11-28 20:38:15,771 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-28 20:38:15,772 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-28 20:38:15,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-28 20:38:15,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:38:15,772 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-28 20:38:15,772 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-28 20:38:15,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 20:38:15,772 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-28 20:38:15,772 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-28 20:38:15,772 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-28 20:38:15,772 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-28 20:38:15,772 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-28 20:38:15,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:38:15 BoogieIcfgContainer [2023-11-28 20:38:15,779 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-28 20:38:15,779 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-28 20:38:15,779 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-28 20:38:15,779 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-28 20:38:15,780 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:37:18" (3/4) ... [2023-11-28 20:38:15,781 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-28 20:38:15,782 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-28 20:38:15,783 INFO L158 Benchmark]: Toolchain (without parser) took 58121.08ms. Allocated memory is still 172.0MB. Free memory was 135.7MB in the beginning and 52.2MB in the end (delta: 83.5MB). Peak memory consumption was 84.4MB. Max. memory is 16.1GB. [2023-11-28 20:38:15,783 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 111.1MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 20:38:15,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.14ms. Allocated memory is still 172.0MB. Free memory was 135.7MB in the beginning and 126.1MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-28 20:38:15,783 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.95ms. Allocated memory is still 172.0MB. Free memory was 126.1MB in the beginning and 124.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-28 20:38:15,784 INFO L158 Benchmark]: Boogie Preprocessor took 31.26ms. Allocated memory is still 172.0MB. Free memory was 124.7MB in the beginning and 123.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-28 20:38:15,784 INFO L158 Benchmark]: RCFGBuilder took 270.34ms. Allocated memory is still 172.0MB. Free memory was 123.1MB in the beginning and 114.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-28 20:38:15,784 INFO L158 Benchmark]: BuchiAutomizer took 57575.23ms. Allocated memory is still 172.0MB. Free memory was 114.3MB in the beginning and 52.2MB in the end (delta: 62.1MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2023-11-28 20:38:15,785 INFO L158 Benchmark]: Witness Printer took 3.03ms. Allocated memory is still 172.0MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 20:38:15,786 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 111.1MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 206.14ms. Allocated memory is still 172.0MB. Free memory was 135.7MB in the beginning and 126.1MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.95ms. Allocated memory is still 172.0MB. Free memory was 126.1MB in the beginning and 124.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.26ms. Allocated memory is still 172.0MB. Free memory was 124.7MB in the beginning and 123.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 270.34ms. Allocated memory is still 172.0MB. Free memory was 123.1MB in the beginning and 114.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 57575.23ms. Allocated memory is still 172.0MB. Free memory was 114.3MB in the beginning and 52.2MB in the end (delta: 62.1MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. * Witness Printer took 3.03ms. Allocated memory is still 172.0MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((-2 * q) + (2 * n)) + 3) and consists of 4 locations. One deterministic module has 2-lex ranking function ((((-16 * q) + (16 * r)) + (-32 * p)) + 1), ((-3 * q) + (-4 * p)) and consists of 3 locations. One deterministic module has 2-lex ranking function (((2 + (-26 * p)) + (-13 * q)) + (13 * r)), ((-3 * q) + (-4 * p)) and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 57.5s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 43.4s. Construction of modules took 0.1s. Büchi inclusion checks took 13.8s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 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, 22 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 27 mSDtfsCounter, 46 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT1 SILN0 SILU0 SILI0 SILT1 lasso1 LassoPreprocessingBenchmarks: Lassos: inital70 mio100 ax100 hnf100 lsp139 ukn75 mio100 lsp100 div187 bol100 ite100 ukn100 eq148 hnf95 smp69 dnf2277 smp41 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 146ms VariablesStem: 0 VariablesLoop: 10 DisjunctsStem: 1 DisjunctsLoop: 8 SupportingInvariants: 0 MotzkinApplications: 40 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 29.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-28 20:38:15,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5151e9a7-7eff-4e48-8c4b-f5eb09e9f459/bin/uautomizer-verify-BQ2R08f2Ya/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