./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-new/gauss_sum.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/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_c848ba3e-544c-463c-908b-081a5fec7e04/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-new/gauss_sum.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/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_c848ba3e-544c-463c-908b-081a5fec7e04/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 ac0c39e955880a6b0806ad5f8add28438e78eb47defb435342badf7c95feaa91 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:15:56,664 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:15:56,747 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-31 22:15:56,755 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:15:56,755 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:15:56,794 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:15:56,795 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:15:56,795 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:15:56,796 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:15:56,796 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:15:56,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:15:56,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:15:56,798 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:15:56,802 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:15:56,803 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:15:56,803 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:15:56,803 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:15:56,804 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:15:56,804 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:15:56,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:15:56,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:15:56,808 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:15:56,808 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:15:56,808 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:15:56,809 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:15:56,809 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:15:56,809 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:15:56,809 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:15:56,810 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:15:56,810 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:15:56,810 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:15:56,810 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:15:56,811 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:15:56,811 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:15:56,811 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:15:56,811 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:15:56,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:15:56,812 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:15:56,812 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:15:56,812 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_c848ba3e-544c-463c-908b-081a5fec7e04/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac0c39e955880a6b0806ad5f8add28438e78eb47defb435342badf7c95feaa91 [2024-10-31 22:15:57,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:15:57,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:15:57,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:15:57,169 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:15:57,170 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:15:57,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/loop-new/gauss_sum.i Unable to find full path for "g++" [2024-10-31 22:15:59,234 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:15:59,429 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:15:59,429 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/sv-benchmarks/c/loop-new/gauss_sum.i [2024-10-31 22:15:59,436 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/bin/uautomizer-verify-4GaUIPS5ZU/data/00f719068/ec195f6b27534f5ca68c68edbeae59d6/FLAGad2c10233 [2024-10-31 22:15:59,450 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/bin/uautomizer-verify-4GaUIPS5ZU/data/00f719068/ec195f6b27534f5ca68c68edbeae59d6 [2024-10-31 22:15:59,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:15:59,455 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:15:59,456 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:15:59,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:15:59,464 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:15:59,466 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:15:59" (1/1) ... [2024-10-31 22:15:59,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b0a4d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:59, skipping insertion in model container [2024-10-31 22:15:59,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:15:59" (1/1) ... [2024-10-31 22:15:59,490 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:15:59,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:15:59,718 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:15:59,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:15:59,754 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:15:59,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:59 WrapperNode [2024-10-31 22:15:59,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:15:59,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:15:59,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:15:59,757 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:15:59,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:59" (1/1) ... [2024-10-31 22:15:59,773 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:59" (1/1) ... [2024-10-31 22:15:59,792 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 38 [2024-10-31 22:15:59,793 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:15:59,793 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:15:59,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:15:59,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:15:59,806 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:59" (1/1) ... [2024-10-31 22:15:59,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:59" (1/1) ... [2024-10-31 22:15:59,807 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:59" (1/1) ... [2024-10-31 22:15:59,818 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:15:59,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:59" (1/1) ... [2024-10-31 22:15:59,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:59" (1/1) ... [2024-10-31 22:15:59,821 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:59" (1/1) ... [2024-10-31 22:15:59,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:59" (1/1) ... [2024-10-31 22:15:59,825 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:59" (1/1) ... [2024-10-31 22:15:59,826 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:59" (1/1) ... [2024-10-31 22:15:59,828 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:15:59,829 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:15:59,829 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:15:59,829 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:15:59,833 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:59" (1/1) ... [2024-10-31 22:15:59,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:59,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:59,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:59,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:15:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:15:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:15:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:15:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:15:59,989 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:15:59,991 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:16:00,102 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-10-31 22:16:00,105 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:16:00,117 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:16:00,117 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:16:00,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:00 BoogieIcfgContainer [2024-10-31 22:16:00,118 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:16:00,119 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:16:00,119 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:16:00,122 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:16:00,123 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:16:00,123 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:15:59" (1/3) ... [2024-10-31 22:16:00,124 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77db1a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:16:00, skipping insertion in model container [2024-10-31 22:16:00,124 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:16:00,124 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:59" (2/3) ... [2024-10-31 22:16:00,125 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77db1a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:16:00, skipping insertion in model container [2024-10-31 22:16:00,125 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:16:00,125 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:00" (3/3) ... [2024-10-31 22:16:00,127 INFO L332 chiAutomizerObserver]: Analyzing ICFG gauss_sum.i [2024-10-31 22:16:00,178 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:16:00,178 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:16:00,178 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:16:00,178 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:16:00,178 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:16:00,178 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:16:00,179 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:16:00,179 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:16:00,182 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:16:00,198 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 22:16:00,198 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:16:00,200 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:16:00,207 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-31 22:16:00,208 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:16:00,208 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:16:00,208 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:16:00,210 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 22:16:00,210 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:16:00,211 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:16:00,211 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-31 22:16:00,211 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:16:00,220 INFO L745 eck$LassoCheckResult]: Stem: 11#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_~n~0#1, main_~sum~0#1, main_~i~0#1;havoc main_~n~0#1;havoc main_~sum~0#1;havoc main_~i~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 5#L27true assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000);main_~sum~0#1 := 0;main_~i~0#1 := 1; 8#L29-3true [2024-10-31 22:16:00,220 INFO L747 eck$LassoCheckResult]: Loop: 8#L29-3true assume !!(main_~i~0#1 <= main_~n~0#1);main_~sum~0#1 := main_~sum~0#1 + main_~i~0#1; 14#L29-2true main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 8#L29-3true [2024-10-31 22:16:00,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:00,228 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-10-31 22:16:00,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:00,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284868423] [2024-10-31 22:16:00,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:00,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:16:00,374 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:16:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:16:00,413 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:16:00,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:00,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2024-10-31 22:16:00,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:00,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342324424] [2024-10-31 22:16:00,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:00,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:16:00,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:16:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:16:00,452 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:16:00,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:00,456 INFO L85 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2024-10-31 22:16:00,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:00,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390266915] [2024-10-31 22:16:00,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:00,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:16:00,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:16:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:16:00,512 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:16:00,652 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:16:00,652 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:16:00,653 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:16:00,653 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:16:00,653 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:16:00,653 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:16:00,654 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:16:00,654 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:16:00,654 INFO L132 ssoRankerPreferences]: Filename of dumped script: gauss_sum.i_Iteration1_Loop [2024-10-31 22:16:00,654 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:16:00,654 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:16:00,674 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:16:00,708 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:16:00,781 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:16:00,782 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:16:00,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:16:00,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:00,787 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:16:00,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 22:16:00,789 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:16:00,789 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:16:00,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-31 22:16:00,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:16:00,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:00,828 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:16:00,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 22:16:00,834 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:16:00,835 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:16:01,023 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:16:01,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-10-31 22:16:01,027 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:16:01,028 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:16:01,028 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:16:01,028 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:16:01,028 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:16:01,028 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:16:01,028 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:16:01,029 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:16:01,029 INFO L132 ssoRankerPreferences]: Filename of dumped script: gauss_sum.i_Iteration1_Loop [2024-10-31 22:16:01,029 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:16:01,029 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:16:01,031 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:16:01,049 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:16:01,137 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:16:01,142 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:16:01,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:16:01,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:01,146 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:16:01,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 22:16:01,149 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 22:16:01,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:16:01,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:16:01,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:16:01,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:16:01,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:16:01,192 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:16:01,192 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:16:01,203 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:16:01,214 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-31 22:16:01,214 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-31 22:16:01,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:16:01,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:01,226 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:16:01,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 22:16:01,230 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:16:01,231 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:16:01,231 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:16:01,232 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~n~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 2*ULTIMATE.start_main_~n~0#1 + 1 Supporting invariants [] [2024-10-31 22:16:01,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-31 22:16:01,262 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:16:01,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:01,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:16:01,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:16:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:01,355 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:16:01,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:16:01,401 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 22:16:01,448 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 22:16:01,451 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:16:01,508 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 35 transitions. Complement of second has 6 states. [2024-10-31 22:16:01,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:16:01,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:16:01,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2024-10-31 22:16:01,523 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 3 letters. Loop has 2 letters. [2024-10-31 22:16:01,524 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:16:01,524 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 2 letters. [2024-10-31 22:16:01,525 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:16:01,525 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 3 letters. Loop has 4 letters. [2024-10-31 22:16:01,525 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:16:01,526 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 35 transitions. [2024-10-31 22:16:01,529 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:16:01,531 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. [2024-10-31 22:16:01,533 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-31 22:16:01,533 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-31 22:16:01,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-31 22:16:01,534 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:16:01,534 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:16:01,534 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:16:01,534 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:16:01,535 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 22:16:01,535 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-31 22:16:01,535 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:16:01,535 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-31 22:16:01,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 31.10 10:16:01 BoogieIcfgContainer [2024-10-31 22:16:01,543 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-31 22:16:01,544 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:16:01,544 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:16:01,545 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:16:01,545 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:00" (3/4) ... [2024-10-31 22:16:01,548 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:16:01,549 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:16:01,551 INFO L158 Benchmark]: Toolchain (without parser) took 2095.29ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 97.7MB in the beginning and 153.7MB in the end (delta: -56.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-31 22:16:01,551 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:16:01,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.08ms. Allocated memory is still 136.3MB. Free memory was 97.7MB in the beginning and 85.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 22:16:01,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.66ms. Allocated memory is still 136.3MB. Free memory was 85.6MB in the beginning and 84.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:16:01,553 INFO L158 Benchmark]: Boogie Preprocessor took 34.42ms. Allocated memory is still 136.3MB. Free memory was 84.0MB in the beginning and 82.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:16:01,553 INFO L158 Benchmark]: RCFGBuilder took 289.27ms. Allocated memory is still 136.3MB. Free memory was 82.5MB in the beginning and 73.0MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-31 22:16:01,554 INFO L158 Benchmark]: BuchiAutomizer took 1424.94ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 72.5MB in the beginning and 154.7MB in the end (delta: -82.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:16:01,554 INFO L158 Benchmark]: Witness Printer took 5.42ms. Allocated memory is still 197.1MB. Free memory is still 153.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:16:01,557 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.08ms. Allocated memory is still 136.3MB. Free memory was 97.7MB in the beginning and 85.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.66ms. Allocated memory is still 136.3MB. Free memory was 85.6MB in the beginning and 84.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.42ms. Allocated memory is still 136.3MB. Free memory was 84.0MB in the beginning and 82.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 289.27ms. Allocated memory is still 136.3MB. Free memory was 82.5MB in the beginning and 73.0MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1424.94ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 72.5MB in the beginning and 154.7MB in the end (delta: -82.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.42ms. Allocated memory is still 197.1MB. Free memory is still 153.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function ((((long long) -2 * i) + ((long long) 2 * n)) + 1) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 6 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq179 hnf92 smp100 dnf100 smp100 tf108 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 88ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-31 22:16:01,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-10-31 22:16:01,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c848ba3e-544c-463c-908b-081a5fec7e04/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE