./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a0165632 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_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70ea356a4fda57b451264a060e40bb07db2fe648bea4e3256fcecf71a5a8e7b7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:02:30,190 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:02:30,266 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-08 17:02:30,271 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:02:30,272 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:02:30,302 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:02:30,303 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:02:30,304 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:02:30,305 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:02:30,305 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:02:30,306 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:02:30,307 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:02:30,308 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:02:30,308 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 17:02:30,309 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 17:02:30,310 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 17:02:30,310 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 17:02:30,311 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 17:02:30,312 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 17:02:30,312 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:02:30,313 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 17:02:30,316 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:02:30,316 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:02:30,317 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 17:02:30,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 17:02:30,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 17:02:30,318 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:02:30,323 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:02:30,324 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:02:30,324 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 17:02:30,325 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:02:30,325 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:02:30,326 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:02:30,326 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:02:30,327 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:02:30,331 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 17:02:30,332 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_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70ea356a4fda57b451264a060e40bb07db2fe648bea4e3256fcecf71a5a8e7b7 [2024-11-08 17:02:30,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:02:30,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:02:30,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:02:30,752 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:02:30,753 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:02:30,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c Unable to find full path for "g++" [2024-11-08 17:02:33,169 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:02:33,443 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:02:33,444 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c [2024-11-08 17:02:33,462 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/data/35bd7a232/b48e19e562384c3cb03c4bee0415ba73/FLAG9c69c6b56 [2024-11-08 17:02:33,489 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/data/35bd7a232/b48e19e562384c3cb03c4bee0415ba73 [2024-11-08 17:02:33,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:02:33,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:02:33,501 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:02:33,505 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:02:33,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:02:33,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:02:33" (1/1) ... [2024-11-08 17:02:33,519 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b77680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:33, skipping insertion in model container [2024-11-08 17:02:33,522 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:02:33" (1/1) ... [2024-11-08 17:02:33,558 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:02:33,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:02:33,848 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:02:33,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:02:33,892 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:02:33,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:33 WrapperNode [2024-11-08 17:02:33,893 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:02:33,894 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:02:33,894 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:02:33,895 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:02:33,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:33" (1/1) ... [2024-11-08 17:02:33,911 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:33" (1/1) ... [2024-11-08 17:02:33,934 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-11-08 17:02:33,935 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:02:33,935 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:02:33,937 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:02:33,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:02:33,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:33" (1/1) ... [2024-11-08 17:02:33,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:33" (1/1) ... [2024-11-08 17:02:33,953 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:33" (1/1) ... [2024-11-08 17:02:33,964 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 17:02:33,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:33" (1/1) ... [2024-11-08 17:02:33,966 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:33" (1/1) ... [2024-11-08 17:02:33,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:33" (1/1) ... [2024-11-08 17:02:33,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:33" (1/1) ... [2024-11-08 17:02:33,975 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:33" (1/1) ... [2024-11-08 17:02:33,976 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:33" (1/1) ... [2024-11-08 17:02:33,978 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:02:33,979 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:02:33,979 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:02:33,980 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:02:33,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:33" (1/1) ... [2024-11-08 17:02:33,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:02:34,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:02:34,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:02:34,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 17:02:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:02:34,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:02:34,187 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:02:34,191 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:02:34,302 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 17:02:34,303 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:02:34,320 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:02:34,320 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:02:34,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:02:34 BoogieIcfgContainer [2024-11-08 17:02:34,322 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:02:34,323 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 17:02:34,324 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 17:02:34,329 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 17:02:34,330 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 17:02:34,331 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 05:02:33" (1/3) ... [2024-11-08 17:02:34,332 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31bb5a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 05:02:34, skipping insertion in model container [2024-11-08 17:02:34,333 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 17:02:34,333 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:33" (2/3) ... [2024-11-08 17:02:34,334 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31bb5a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 05:02:34, skipping insertion in model container [2024-11-08 17:02:34,334 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 17:02:34,335 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:02:34" (3/3) ... [2024-11-08 17:02:34,336 INFO L332 chiAutomizerObserver]: Analyzing ICFG ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c [2024-11-08 17:02:34,422 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 17:02:34,422 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 17:02:34,422 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 17:02:34,423 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 17:02:34,423 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 17:02:34,423 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 17:02:34,423 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 17:02:34,424 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 17:02:34,432 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2024-11-08 17:02:34,466 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-08 17:02:34,466 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 17:02:34,467 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 17:02:34,474 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-08 17:02:34,475 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-08 17:02:34,475 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 17:02:34,475 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2024-11-08 17:02:34,477 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-08 17:02:34,477 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 17:02:34,477 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 17:02:34,478 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-08 17:02:34,478 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-08 17:02:34,489 INFO L745 eck$LassoCheckResult]: Stem: 8#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_~a~0#1, main_~x~0#1, main_~max~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_~max~0#1;havoc main_#t~nondet0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~max~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 3#L18true assume main_~max~0#1 > 0;main_~a~0#1 := 0;main_~x~0#1 := 1; 4#L21-3true [2024-11-08 17:02:34,490 INFO L747 eck$LassoCheckResult]: Loop: 4#L21-3true assume main_~x~0#1 <= main_~max~0#1; 11#L21-1true assume !!(main_~x~0#1 <= main_~max~0#1);havoc main_#t~nondet3#1; 5#L22true assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~a~0#1 := 1 + main_~a~0#1; 10#L22-2true main_~x~0#1 := 1 + main_~x~0#1; 4#L21-3true [2024-11-08 17:02:34,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:02:34,499 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2024-11-08 17:02:34,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:02:34,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621156044] [2024-11-08 17:02:34,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:02:34,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:02:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:02:34,618 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:02:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:02:34,643 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:02:34,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:02:34,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1205642, now seen corresponding path program 1 times [2024-11-08 17:02:34,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:02:34,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945069303] [2024-11-08 17:02:34,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:02:34,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:02:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:02:34,664 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:02:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:02:34,673 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:02:34,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:02:34,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1804968363, now seen corresponding path program 1 times [2024-11-08 17:02:34,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:02:34,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222033382] [2024-11-08 17:02:34,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:02:34,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:02:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:02:34,691 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:02:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:02:34,702 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:02:34,831 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 17:02:34,832 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 17:02:34,832 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 17:02:34,833 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 17:02:34,833 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-08 17:02:34,833 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:02:34,833 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 17:02:34,833 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 17:02:34,834 INFO L132 ssoRankerPreferences]: Filename of dumped script: ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c_Iteration1_Loop [2024-11-08 17:02:34,834 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 17:02:34,834 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 17:02:34,860 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:02:34,875 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:02:34,882 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:02:34,891 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:02:34,906 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:02:35,026 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 17:02:35,027 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-08 17:02:35,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:02:35,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:02:35,035 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:02:35,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-08 17:02:35,040 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:02:35,040 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:02:35,076 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 17:02:35,077 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 17:02:35,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-08 17:02:35,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:02:35,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:02:35,106 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:02:35,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-08 17:02:35,110 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:02:35,110 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:02:35,147 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 17:02:35,147 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 17:02:35,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-08 17:02:35,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:02:35,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:02:35,167 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:02:35,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-08 17:02:35,173 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:02:35,173 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:02:35,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-08 17:02:35,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:02:35,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:02:35,225 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:02:35,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-08 17:02:35,231 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-08 17:02:35,231 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:02:35,282 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 17:02:35,282 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0#1=0} Honda state: {ULTIMATE.start_main_~a~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0#1=5}, {ULTIMATE.start_main_~a~0#1=4}, {ULTIMATE.start_main_~a~0#1=-8}] Lambdas: [1, 3, 1] Nus: [0, 1] [2024-11-08 17:02:35,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-08 17:02:35,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:02:35,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:02:35,306 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:02:35,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-08 17:02:35,309 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:02:35,309 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:02:35,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-08 17:02:35,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:02:35,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:02:35,348 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:02:35,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-08 17:02:35,351 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-08 17:02:35,351 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:02:35,517 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-08 17:02:35,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-08 17:02:35,522 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 17:02:35,522 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 17:02:35,523 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 17:02:35,523 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 17:02:35,523 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-08 17:02:35,523 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:02:35,523 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 17:02:35,523 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 17:02:35,524 INFO L132 ssoRankerPreferences]: Filename of dumped script: ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c_Iteration1_Loop [2024-11-08 17:02:35,524 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 17:02:35,524 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 17:02:35,527 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:02:35,562 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:02:35,568 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:02:35,574 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:02:35,592 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:02:35,699 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 17:02:35,705 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-08 17:02:35,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:02:35,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:02:35,711 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:02:35,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-08 17:02:35,717 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 [2024-11-08 17:02:35,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:02:35,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 17:02:35,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:02:35,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:02:35,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:02:35,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 17:02:35,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 17:02:35,746 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 17:02:35,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-08 17:02:35,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:02:35,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:02:35,774 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:02:35,778 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 [2024-11-08 17:02:35,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-08 17:02:35,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:02:35,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:02:35,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:02:35,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:02:35,802 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 17:02:35,803 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 17:02:35,810 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 17:02:35,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-08 17:02:35,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:02:35,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:02:35,839 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:02:35,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-08 17:02:35,844 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 [2024-11-08 17:02:35,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:02:35,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:02:35,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:02:35,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:02:35,869 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 17:02:35,869 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 17:02:35,878 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 17:02:35,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-08 17:02:35,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:02:35,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:02:35,906 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:02:35,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-08 17:02:35,910 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 [2024-11-08 17:02:35,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:02:35,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 17:02:35,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:02:35,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:02:35,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:02:35,932 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 17:02:35,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 17:02:35,938 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-08 17:02:35,943 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-08 17:02:35,944 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-08 17:02:35,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:02:35,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:02:35,953 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:02:35,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-08 17:02:35,956 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-08 17:02:35,956 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-08 17:02:35,957 INFO L474 LassoAnalysis]: Proved termination. [2024-11-08 17:02:35,957 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~max~0#1) = -2*ULTIMATE.start_main_~x~0#1 + 2*ULTIMATE.start_main_~max~0#1 + 1 Supporting invariants [] [2024-11-08 17:02:35,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-08 17:02:35,979 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-08 17:02:36,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:02:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:36,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 17:02:36,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:02:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:02:36,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 17:02:36,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:02:36,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:02:36,220 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 [2024-11-08 17:02:36,223 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:02:36,289 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 23 states and 27 transitions. Complement of second has 6 states. [2024-11-08 17:02:36,294 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 [2024-11-08 17:02:36,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:02:36,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2024-11-08 17:02:36,302 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-08 17:02:36,303 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:02:36,303 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 7 letters. Loop has 4 letters. [2024-11-08 17:02:36,304 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:02:36,304 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 3 letters. Loop has 8 letters. [2024-11-08 17:02:36,304 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:02:36,305 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 27 transitions. [2024-11-08 17:02:36,307 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 17:02:36,309 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2024-11-08 17:02:36,310 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-08 17:02:36,311 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-08 17:02:36,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-08 17:02:36,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 17:02:36,312 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 17:02:36,312 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 17:02:36,312 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 17:02:36,312 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 17:02:36,313 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-08 17:02:36,313 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 17:02:36,313 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-08 17:02:36,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 05:02:36 BoogieIcfgContainer [2024-11-08 17:02:36,321 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 17:02:36,322 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:02:36,322 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:02:36,323 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:02:36,323 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:02:34" (3/4) ... [2024-11-08 17:02:36,326 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:02:36,328 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:02:36,329 INFO L158 Benchmark]: Toolchain (without parser) took 2830.11ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 110.1MB in the beginning and 119.4MB in the end (delta: -9.3MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-11-08 17:02:36,330 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 107.0MB. Free memory is still 63.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:02:36,331 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.46ms. Allocated memory is still 140.5MB. Free memory was 110.1MB in the beginning and 98.7MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 17:02:36,331 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.67ms. Allocated memory is still 140.5MB. Free memory was 98.7MB in the beginning and 97.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:02:36,332 INFO L158 Benchmark]: Boogie Preprocessor took 42.97ms. Allocated memory is still 140.5MB. Free memory was 97.5MB in the beginning and 96.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:02:36,332 INFO L158 Benchmark]: RCFGBuilder took 342.67ms. Allocated memory is still 140.5MB. Free memory was 95.6MB in the beginning and 86.8MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 17:02:36,337 INFO L158 Benchmark]: BuchiAutomizer took 1998.34ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 86.8MB in the beginning and 119.4MB in the end (delta: -32.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:02:36,338 INFO L158 Benchmark]: Witness Printer took 5.82ms. Allocated memory is still 169.9MB. Free memory is still 119.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:02:36,344 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78ms. Allocated memory is still 107.0MB. Free memory is still 63.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.46ms. Allocated memory is still 140.5MB. Free memory was 110.1MB in the beginning and 98.7MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.67ms. Allocated memory is still 140.5MB. Free memory was 98.7MB in the beginning and 97.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.97ms. Allocated memory is still 140.5MB. Free memory was 97.5MB in the beginning and 96.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 342.67ms. Allocated memory is still 140.5MB. Free memory was 95.6MB in the beginning and 86.8MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1998.34ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 86.8MB in the beginning and 119.4MB in the end (delta: -32.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.82ms. Allocated memory is still 169.9MB. Free memory is still 119.4MB. 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) 2 * max) + ((long) -2 * x)) + 1) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. 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, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 9 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax179 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-08 17:02:36,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-08 17:02:36,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbf7779-1543-4072-8130-c5a525b6df27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE