./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 4fc63b2a 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_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/dijkstra1-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU --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 0.2.5-dev-4fc63b2 [2024-10-31 22:06:49,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:06:49,636 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-31 22:06:49,641 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:06:49,642 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:06:49,667 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:06:49,668 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:06:49,669 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:06:49,669 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:06:49,670 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:06:49,671 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:06:49,671 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:06:49,672 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:06:49,672 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:06:49,672 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:06:49,673 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:06:49,673 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:06:49,674 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:06:49,674 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:06:49,674 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:06:49,675 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:06:49,676 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:06:49,676 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:06:49,676 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:06:49,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:06:49,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:06:49,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:06:49,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:06:49,678 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:06:49,679 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:06:49,679 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:06:49,680 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:06:49,680 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:06:49,680 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:06:49,681 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:06:49,681 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:06:49,682 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:06:49,682 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:06:49,682 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:06:49,683 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_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c19e6821eec12ef8284f33ab77e3183032aa426313dfebebf501fe3b6a052c3 [2024-10-31 22:06:49,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:06:50,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:06:50,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:06:50,025 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:06:50,026 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:06:50,027 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/termination-nla/dijkstra1-both-t.c Unable to find full path for "g++" [2024-10-31 22:06:52,136 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:06:52,342 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:06:52,343 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/sv-benchmarks/c/termination-nla/dijkstra1-both-t.c [2024-10-31 22:06:52,352 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/data/7fd742b40/3494ce66b6a14d299f99df50ca26488b/FLAG293d56c9f [2024-10-31 22:06:52,369 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/data/7fd742b40/3494ce66b6a14d299f99df50ca26488b [2024-10-31 22:06:52,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:06:52,373 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:06:52,375 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:06:52,375 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:06:52,382 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:06:52,383 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:06:52" (1/1) ... [2024-10-31 22:06:52,384 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea9fddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:52, skipping insertion in model container [2024-10-31 22:06:52,384 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:06:52" (1/1) ... [2024-10-31 22:06:52,411 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:06:52,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:06:52,640 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:06:52,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:06:52,674 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:06:52,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:52 WrapperNode [2024-10-31 22:06:52,675 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:06:52,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:06:52,676 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:06:52,676 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:06:52,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:52" (1/1) ... [2024-10-31 22:06:52,690 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:52" (1/1) ... [2024-10-31 22:06:52,711 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2024-10-31 22:06:52,711 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:06:52,712 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:06:52,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:06:52,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:06:52,728 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:52" (1/1) ... [2024-10-31 22:06:52,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:52" (1/1) ... [2024-10-31 22:06:52,729 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:52" (1/1) ... [2024-10-31 22:06:52,736 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-31 22:06:52,736 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:52" (1/1) ... [2024-10-31 22:06:52,736 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:52" (1/1) ... [2024-10-31 22:06:52,739 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:52" (1/1) ... [2024-10-31 22:06:52,743 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:52" (1/1) ... [2024-10-31 22:06:52,744 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:52" (1/1) ... [2024-10-31 22:06:52,745 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:52" (1/1) ... [2024-10-31 22:06:52,746 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:06:52,747 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:06:52,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:06:52,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:06:52,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:52" (1/1) ... [2024-10-31 22:06:52,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:06:52,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:06:52,784 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:06:52,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:06:52,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:06:52,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:06:52,898 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:06:52,901 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:06:53,052 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-31 22:06:53,057 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:06:53,076 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:06:53,076 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-31 22:06:53,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:06:53 BoogieIcfgContainer [2024-10-31 22:06:53,077 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:06:53,078 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:06:53,079 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:06:53,083 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:06:53,084 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:06:53,084 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:06:52" (1/3) ... [2024-10-31 22:06:53,085 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@42421d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:06:53, skipping insertion in model container [2024-10-31 22:06:53,087 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:06:53,087 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:52" (2/3) ... [2024-10-31 22:06:53,090 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@42421d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:06:53, skipping insertion in model container [2024-10-31 22:06:53,090 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:06:53,090 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:06:53" (3/3) ... [2024-10-31 22:06:53,092 INFO L332 chiAutomizerObserver]: Analyzing ICFG dijkstra1-both-t.c [2024-10-31 22:06:53,189 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:06:53,190 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:06:53,190 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:06:53,191 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:06:53,191 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:06:53,191 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:06:53,191 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:06:53,192 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:06:53,198 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) [2024-10-31 22:06:53,217 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2024-10-31 22:06:53,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:06:53,218 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:06:53,224 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-31 22:06:53,225 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-31 22:06:53,225 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:06:53,226 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) [2024-10-31 22:06:53,227 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2024-10-31 22:06:53,228 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:06:53,228 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:06:53,228 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-31 22:06:53,229 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-31 22:06:53,238 INFO L745 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~n~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~h~0#1;havoc main_~n~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~h~0#1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 6#L25true assume !(main_~n~0#1 >= 1073741824);main_~p~0#1 := 0;main_~q~0#1 := 1;main_~r~0#1 := main_~n~0#1;main_~h~0#1 := 0; 2#L32-2true [2024-10-31 22:06:53,238 INFO L747 eck$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 [2024-10-31 22:06:53,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:53,247 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-10-31 22:06:53,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:53,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311360780] [2024-10-31 22:06:53,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:53,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:06:53,368 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:06:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:06:53,403 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:06:53,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:53,412 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2024-10-31 22:06:53,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:53,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533846700] [2024-10-31 22:06:53,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:53,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:53,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:06:53,427 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:06:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:06:53,435 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:06:53,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:53,438 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2024-10-31 22:06:53,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:53,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008266534] [2024-10-31 22:06:53,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:53,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:06:53,452 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:06:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:06:53,460 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:06:53,652 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:06:53,653 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:06:53,654 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:06:53,654 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:06:53,654 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:06:53,655 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:06:53,655 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:06:53,655 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:06:53,656 INFO L132 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration1_Lasso [2024-10-31 22:06:53,656 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:06:53,656 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:06:53,677 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:06:53,721 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:06:53,729 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:06:53,732 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:06:53,739 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:06:53,842 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:06:53,843 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:06:53,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:06:53,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:06:53,848 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:06:53,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 22:06:53,851 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:06:53,852 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:06:53,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-31 22:06:53,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:06:53,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:06:53,904 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:06:53,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 22:06:53,907 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:06:53,907 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:07:06,046 INFO L403 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2024-10-31 22:07:06,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:06,064 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:07:06,064 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:07:06,064 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:07:06,064 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:07:06,064 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:07:06,064 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:06,064 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:07:06,065 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:07:06,065 INFO L132 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration1_Lasso [2024-10-31 22:07:06,065 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:07:06,065 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:07:06,067 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:06,089 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:06,095 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:06,103 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:06,109 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:06,194 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:07:06,199 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:07:06,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:06,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:06,203 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:06,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 22:07:06,206 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 [2024-10-31 22:07:06,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:06,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:06,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:06,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:06,231 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:07:06,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:07:06,246 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:07:06,255 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-10-31 22:07:06,255 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-31 22:07:06,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:06,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:06,266 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:06,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 22:07:06,271 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:07:06,294 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-10-31 22:07:06,295 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:07:06,295 INFO L476 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] [2024-10-31 22:07:06,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-31 22:07:06,344 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-10-31 22:07:06,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:06,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:07:06,422 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:06,439 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:07:06,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:06,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:06,483 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 [2024-10-31 22:07:06,485 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) [2024-10-31 22:07:06,554 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 21 states and 31 transitions. Complement of second has 4 states. [2024-10-31 22:07:06,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-31 22:07:06,561 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) [2024-10-31 22:07:06,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2024-10-31 22:07:06,563 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 3 letters. Loop has 1 letters. [2024-10-31 22:07:06,564 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:07:06,564 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 4 letters. Loop has 1 letters. [2024-10-31 22:07:06,565 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:07:06,565 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 3 letters. Loop has 2 letters. [2024-10-31 22:07:06,565 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:07:06,566 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 31 transitions. [2024-10-31 22:07:06,567 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 22:07:06,570 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 8 states and 11 transitions. [2024-10-31 22:07:06,571 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-10-31 22:07:06,572 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-10-31 22:07:06,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2024-10-31 22:07:06,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:07:06,572 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-10-31 22:07:06,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2024-10-31 22:07:06,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2024-10-31 22:07:06,592 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) [2024-10-31 22:07:06,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2024-10-31 22:07:06,593 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 10 transitions. [2024-10-31 22:07:06,594 INFO L425 stractBuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2024-10-31 22:07:06,594 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 22:07:06,594 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2024-10-31 22:07:06,594 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 22:07:06,594 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:07:06,595 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:07:06,596 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-31 22:07:06,596 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:07:06,597 INFO L745 eck$LassoCheckResult]: Stem: 77#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 78#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; 76#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; 72#L32-2 assume !(main_~q~0#1 <= main_~n~0#1); 74#L53-2 [2024-10-31 22:07:06,597 INFO L747 eck$LassoCheckResult]: Loop: 74#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); 75#L53 assume !(main_~r~0#1 >= main_~h~0#1); 74#L53-2 [2024-10-31 22:07:06,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:06,598 INFO L85 PathProgramCache]: Analyzing trace with hash 925674, now seen corresponding path program 1 times [2024-10-31 22:07:06,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:06,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954018174] [2024-10-31 22:07:06,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:06,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:06,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:06,605 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:06,610 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:06,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:06,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1830, now seen corresponding path program 1 times [2024-10-31 22:07:06,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:06,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492895702] [2024-10-31 22:07:06,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:06,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:06,633 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:06,661 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:06,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:06,661 INFO L85 PathProgramCache]: Analyzing trace with hash 889573583, now seen corresponding path program 1 times [2024-10-31 22:07:06,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:06,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214672303] [2024-10-31 22:07:06,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:06,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:06,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:06,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:06,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214672303] [2024-10-31 22:07:06,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214672303] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:06,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:06,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:07:06,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238113296] [2024-10-31 22:07:06,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:07,120 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:07:07,120 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:07:07,121 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:07:07,121 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:07:07,121 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:07:07,121 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:07,121 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:07:07,121 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:07:07,121 INFO L132 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration2_Loop [2024-10-31 22:07:07,121 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:07:07,121 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:07:07,128 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:07,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-31 22:07:07,319 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:07,590 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2024-10-31 22:07:08,774 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:07:08,774 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:07:08,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:08,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:08,777 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:08,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 22:07:08,782 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:07:08,782 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:07:08,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-31 22:07:08,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:08,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:08,896 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:08,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 22:07:08,900 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:07:08,900 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:07:11,151 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:07:11,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-31 22:07:11,160 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:07:11,160 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:07:11,160 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:07:11,160 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:07:11,160 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:07:11,160 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:11,160 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:07:11,160 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:07:11,161 INFO L132 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration2_Loop [2024-10-31 22:07:11,161 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:07:11,161 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:07:11,163 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:11,358 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:11,598 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2024-10-31 22:07:12,825 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:07:12,825 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:07:12,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:12,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:12,827 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:12,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-31 22:07:12,831 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 [2024-10-31 22:07:12,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:12,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:12,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:12,851 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2024-10-31 22:07:12,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:12,883 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-10-31 22:07:12,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:12,909 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:12,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-31 22:07:12,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:12,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:12,936 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:12,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 22:07:12,941 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 [2024-10-31 22:07:12,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:12,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:12,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:12,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:12,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:12,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:12,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:12,956 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:12,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-31 22:07:12,970 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-10-31 22:07:12,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:12,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:12,972 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:12,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-31 22:07:12,975 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 [2024-10-31 22:07:12,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:12,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:12,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:12,990 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2024-10-31 22:07:12,991 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 22:07:13,018 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2024-10-31 22:07:13,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:13,054 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:13,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:13,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:13,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:13,077 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:13,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 22:07:13,094 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 [2024-10-31 22:07:13,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:13,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:13,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:13,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:13,109 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 22:07:13,110 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-31 22:07:13,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:13,112 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:13,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:13,132 INFO L451 LassoAnalysis]: Using template '3-nested'. [2024-10-31 22:07:13,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:13,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:13,134 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:13,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 22:07:13,137 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 [2024-10-31 22:07:13,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:13,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:13,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:13,154 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2024-10-31 22:07:13,154 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-31 22:07:13,195 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2024-10-31 22:07:13,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:13,245 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:13,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-31 22:07:13,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:13,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:13,272 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:13,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 22:07:13,275 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 [2024-10-31 22:07:13,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:13,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:13,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:13,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:13,307 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-31 22:07:13,309 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-31 22:07:13,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:13,311 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:13,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-31 22:07:13,330 INFO L451 LassoAnalysis]: Using template '4-nested'. [2024-10-31 22:07:13,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:13,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:13,333 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:13,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 22:07:13,336 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 [2024-10-31 22:07:13,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:13,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:13,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:13,353 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2024-10-31 22:07:13,353 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-31 22:07:13,408 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2024-10-31 22:07:13,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:13,468 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:13,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-31 22:07:13,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:13,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:13,493 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:13,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-31 22:07:13,498 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 [2024-10-31 22:07:13,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:13,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:13,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:13,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:13,513 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-31 22:07:13,514 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-10-31 22:07:13,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:13,517 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:13,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-31 22:07:13,536 INFO L451 LassoAnalysis]: Using template '2-phase'. [2024-10-31 22:07:13,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:13,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:13,538 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:13,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-31 22:07:13,541 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 [2024-10-31 22:07:13,556 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:07:13,557 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-31 22:07:13,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:13,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:13,557 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2024-10-31 22:07:13,557 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 22:07:13,587 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2024-10-31 22:07:13,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:13,676 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:13,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-10-31 22:07:13,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:13,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:13,699 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:13,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-31 22:07:13,704 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 [2024-10-31 22:07:13,735 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:07:13,735 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-31 22:07:13,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:13,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:13,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:13,735 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 22:07:13,736 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-31 22:07:13,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:13,743 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:13,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-31 22:07:13,776 INFO L451 LassoAnalysis]: Using template '3-phase'. [2024-10-31 22:07:13,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:13,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:13,781 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:13,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-31 22:07:13,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:13,803 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:07:13,803 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-10-31 22:07:13,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:13,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:13,804 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2024-10-31 22:07:13,804 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-31 22:07:13,848 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2024-10-31 22:07:13,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:14,202 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:14,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-10-31 22:07:14,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:14,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:14,225 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:14,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-31 22:07:14,229 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 [2024-10-31 22:07:14,245 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:07:14,245 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-10-31 22:07:14,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:14,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:14,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:14,246 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-31 22:07:14,247 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-31 22:07:14,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:14,254 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:14,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-10-31 22:07:14,274 INFO L451 LassoAnalysis]: Using template '4-phase'. [2024-10-31 22:07:14,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:14,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:14,277 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:14,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-31 22:07:14,280 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 [2024-10-31 22:07:14,296 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:07:14,296 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-31 22:07:14,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:14,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:14,297 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2024-10-31 22:07:14,297 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-31 22:07:14,354 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2024-10-31 22:07:14,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:15,719 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:15,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:15,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:15,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:15,734 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:15,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-31 22:07:15,736 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 [2024-10-31 22:07:15,747 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:07:15,747 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-31 22:07:15,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:15,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:15,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:15,748 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-31 22:07:15,749 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-10-31 22:07:15,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:15,754 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:15,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:15,770 INFO L451 LassoAnalysis]: Using template '2-lex'. [2024-10-31 22:07:15,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:15,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:15,771 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:15,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-31 22:07:15,772 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 [2024-10-31 22:07:15,784 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:07:15,784 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-31 22:07:15,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:15,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:15,784 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2024-10-31 22:07:15,784 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-31 22:07:15,817 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2024-10-31 22:07:15,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:15,962 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:07:16,190 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-10-31 22:07:16,190 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-10-31 22:07:16,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:16,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:16,193 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:16,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-31 22:07:16,197 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:07:16,197 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:07:16,197 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:07:16,197 INFO L476 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 [] [2024-10-31 22:07:16,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:16,219 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:07:16,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:16,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:07:16,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:16,271 WARN L253 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 22:07:16,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:16,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb72cf1d-2e9a-4e49-867f-fcd1b3b7a79a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-10-31 22:07:21,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:21,369 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 [2024-10-31 22:07:21,369 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) [2024-10-31 22:07:21,420 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 9 states and 13 transitions. Complement of second has 3 states. [2024-10-31 22:07:21,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-31 22:07:21,422 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) [2024-10-31 22:07:21,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 5 transitions. [2024-10-31 22:07:21,422 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 4 letters. Loop has 2 letters. [2024-10-31 22:07:21,422 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:07:21,423 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 22:07:21,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:21,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:07:21,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:21,464 WARN L253 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 22:07:21,464 INFO L278 TraceCheckSpWp]: Computing forward predicates...