./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd --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 b5097186312a07da16ab8fdeadf6c0d6b4634620407ae37986153d9e0823e6f5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:25:31,538 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:25:31,639 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-13 15:25:31,645 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:25:31,646 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:25:31,695 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:25:31,698 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:25:31,698 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:25:31,699 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:25:31,699 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:25:31,700 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:25:31,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:25:31,701 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:25:31,701 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 15:25:31,703 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 15:25:31,703 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 15:25:31,703 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 15:25:31,703 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 15:25:31,703 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 15:25:31,704 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:25:31,704 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 15:25:31,704 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:25:31,704 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:25:31,704 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:25:31,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:25:31,705 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 15:25:31,705 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 15:25:31,705 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 15:25:31,705 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:25:31,706 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:25:31,706 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:25:31,706 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:25:31,706 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 15:25:31,706 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:25:31,706 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:25:31,707 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:25:31,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:25:31,707 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:25:31,707 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 15:25:31,707 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd 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 -> b5097186312a07da16ab8fdeadf6c0d6b4634620407ae37986153d9e0823e6f5 [2024-11-13 15:25:32,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:25:32,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:25:32,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:25:32,092 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:25:32,093 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:25:32,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i Unable to find full path for "g++" [2024-11-13 15:25:34,473 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:25:34,763 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:25:34,765 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2024-11-13 15:25:34,775 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/data/57379654d/b108119671e940999518b9a1e97a5a89/FLAG1597ac13e [2024-11-13 15:25:34,802 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/data/57379654d/b108119671e940999518b9a1e97a5a89 [2024-11-13 15:25:34,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:25:34,809 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:25:34,812 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:25:34,812 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:25:34,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:25:34,818 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:25:34" (1/1) ... [2024-11-13 15:25:34,819 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25bf71d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:34, skipping insertion in model container [2024-11-13 15:25:34,821 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:25:34" (1/1) ... [2024-11-13 15:25:34,841 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:25:35,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:25:35,072 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:25:35,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:25:35,136 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:25:35,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:35 WrapperNode [2024-11-13 15:25:35,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:25:35,138 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:25:35,138 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:25:35,138 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:25:35,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:35" (1/1) ... [2024-11-13 15:25:35,155 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:35" (1/1) ... [2024-11-13 15:25:35,195 INFO L138 Inliner]: procedures = 16, calls = 25, calls flagged for inlining = 21, calls inlined = 38, statements flattened = 247 [2024-11-13 15:25:35,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:25:35,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:25:35,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:25:35,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:25:35,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:35" (1/1) ... [2024-11-13 15:25:35,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:35" (1/1) ... [2024-11-13 15:25:35,211 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:35" (1/1) ... [2024-11-13 15:25:35,244 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]. [2024-11-13 15:25:35,244 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:35" (1/1) ... [2024-11-13 15:25:35,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:35" (1/1) ... [2024-11-13 15:25:35,255 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:35" (1/1) ... [2024-11-13 15:25:35,261 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:35" (1/1) ... [2024-11-13 15:25:35,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:35" (1/1) ... [2024-11-13 15:25:35,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:35" (1/1) ... [2024-11-13 15:25:35,267 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:25:35,268 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:25:35,268 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:25:35,268 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:25:35,270 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:35" (1/1) ... [2024-11-13 15:25:35,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:25:35,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:25:35,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:25:35,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 15:25:35,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:25:35,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:25:35,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:25:35,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:25:35,448 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:25:35,450 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:25:35,785 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2024-11-13 15:25:35,786 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:25:35,799 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:25:35,803 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 15:25:35,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:25:35 BoogieIcfgContainer [2024-11-13 15:25:35,804 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:25:35,805 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 15:25:35,805 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 15:25:35,812 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 15:25:35,812 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 15:25:35,813 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 03:25:34" (1/3) ... [2024-11-13 15:25:35,814 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2285ed0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 03:25:35, skipping insertion in model container [2024-11-13 15:25:35,815 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 15:25:35,815 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:35" (2/3) ... [2024-11-13 15:25:35,817 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2285ed0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 03:25:35, skipping insertion in model container [2024-11-13 15:25:35,817 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 15:25:35,817 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:25:35" (3/3) ... [2024-11-13 15:25:35,819 INFO L333 chiAutomizerObserver]: Analyzing ICFG apache-escape-absolute.i [2024-11-13 15:25:35,884 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 15:25:35,884 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 15:25:35,885 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 15:25:35,885 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 15:25:35,885 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 15:25:35,885 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 15:25:35,885 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 15:25:35,886 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 15:25:35,894 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 113 states, 112 states have (on average 1.4732142857142858) internal successors, (165), 112 states have internal predecessors, (165), 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) [2024-11-13 15:25:35,924 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2024-11-13 15:25:35,925 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 15:25:35,925 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 15:25:35,931 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:25:35,932 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-13 15:25:35,932 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 15:25:35,933 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 113 states, 112 states have (on average 1.4732142857142858) internal successors, (165), 112 states have internal predecessors, (165), 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) [2024-11-13 15:25:35,940 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2024-11-13 15:25:35,940 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 15:25:35,940 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 15:25:35,941 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:25:35,941 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-13 15:25:35,949 INFO L745 eck$LassoCheckResult]: Stem: 30#$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); 41#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~pre6#1, main_#t~pre7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~pre10#1, main_#t~pre11#1, main_~scheme~0#1, main_~urilen~0#1, main_~tokenlen~0#1, main_~cp~0#1, main_~c~0#1;havoc main_~scheme~0#1;havoc main_~urilen~0#1;havoc main_~tokenlen~0#1;havoc main_~cp~0#1;havoc main_~c~0#1;havoc main_#t~nondet1#1;main_~urilen~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~tokenlen~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~scheme~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 79#L32true assume !!(main_~urilen~0#1 <= 1000000 && main_~urilen~0#1 >= -1000000); 22#L33true assume !!(main_~tokenlen~0#1 <= 1000000 && main_~tokenlen~0#1 >= -1000000); 27#L34true assume !!(main_~scheme~0#1 <= 1000000 && main_~scheme~0#1 >= -1000000); 102#L35true assume main_~urilen~0#1 > 0; 95#L35-1true assume main_~tokenlen~0#1 > 0; 107#L36true assume main_~scheme~0#1 >= 0; 53#L37true assume !(0 == main_~scheme~0#1 || main_~urilen~0#1 - 1 < main_~scheme~0#1);main_~cp~0#1 := main_~scheme~0#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~cp~0#1 - 1 < main_~urilen~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 81#L18true assume !(0 == __VERIFIER_assert_~cond#1); 47#L18-2true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 <= main_~cp~0#1 - 1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 98#L18-3true assume !(0 == __VERIFIER_assert_~cond#1); 66#L18-5true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 36#L44true assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~cp~0#1 < main_~urilen~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 48#L18-6true assume !(0 == __VERIFIER_assert_~cond#1); 42#L18-8true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 <= main_~cp~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 56#L18-9true assume !(0 == __VERIFIER_assert_~cond#1); 84#L18-11true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true; 50#L47-2true [2024-11-13 15:25:35,950 INFO L747 eck$LassoCheckResult]: Loop: 50#L47-2true assume !!(main_~cp~0#1 != main_~urilen~0#1 - 1);havoc main_#t~nondet5#1; 73#L48true assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~cp~0#1 < main_~urilen~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 8#L18-12true assume !(0 == __VERIFIER_assert_~cond#1); 24#L18-14true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 <= main_~cp~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 77#L18-15true assume !(0 == __VERIFIER_assert_~cond#1); 28#L18-17true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~pre6#1 := 1 + main_~cp~0#1;main_~cp~0#1 := 1 + main_~cp~0#1;havoc main_#t~pre6#1; 50#L47-2true [2024-11-13 15:25:35,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:25:35,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1737411850, now seen corresponding path program 1 times [2024-11-13 15:25:35,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:25:35,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915844428] [2024-11-13 15:25:35,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:25:35,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:25:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:25:36,109 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:25:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:25:36,169 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:25:36,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:25:36,172 INFO L85 PathProgramCache]: Analyzing trace with hash 118173580, now seen corresponding path program 1 times [2024-11-13 15:25:36,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:25:36,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931476398] [2024-11-13 15:25:36,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:25:36,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:25:36,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:25:36,194 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:25:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:25:36,212 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:25:36,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:25:36,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1587910337, now seen corresponding path program 1 times [2024-11-13 15:25:36,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:25:36,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566296868] [2024-11-13 15:25:36,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:25:36,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:25:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:25:36,247 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:25:36,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:25:36,282 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:25:36,463 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 15:25:36,464 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 15:25:36,464 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 15:25:36,465 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 15:25:36,465 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 15:25:36,465 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:25:36,465 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 15:25:36,465 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 15:25:36,465 INFO L132 ssoRankerPreferences]: Filename of dumped script: apache-escape-absolute.i_Iteration1_Loop [2024-11-13 15:25:36,466 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 15:25:36,467 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 15:25:36,483 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:25:36,492 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:25:36,515 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:25:36,520 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:25:36,523 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:25:36,617 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 15:25:36,617 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 15:25:36,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:25:36,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:25:36,622 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:25:36,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-13 15:25:36,628 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 15:25:36,628 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 15:25:36,650 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 15:25:36,650 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 15:25:36,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-13 15:25:36,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:25:36,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:25:36,673 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:25:36,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-13 15:25:36,676 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 15:25:36,676 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 15:25:36,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-13 15:25:36,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:25:36,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:25:36,718 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:25:36,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-13 15:25:36,722 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 15:25:36,722 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 15:25:36,793 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 15:25:36,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-13 15:25:36,797 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 15:25:36,797 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 15:25:36,797 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 15:25:36,797 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 15:25:36,797 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 15:25:36,797 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:25:36,797 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 15:25:36,797 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 15:25:36,797 INFO L132 ssoRankerPreferences]: Filename of dumped script: apache-escape-absolute.i_Iteration1_Loop [2024-11-13 15:25:36,797 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 15:25:36,797 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 15:25:36,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:25:36,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:25:36,821 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:25:36,826 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:25:36,831 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:25:36,902 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 15:25:36,906 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 15:25:36,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:25:36,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:25:36,910 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:25:36,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-13 15:25:36,916 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 [2024-11-13 15:25:36,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:25:36,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:25:36,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:25:36,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:25:36,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:25:36,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:25:36,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:25:36,945 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:25:36,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-13 15:25:36,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:25:36,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:25:36,966 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:25:36,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-13 15:25:36,969 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 [2024-11-13 15:25:36,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:25:36,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:25:36,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:25:36,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:25:36,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:25:36,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:25:36,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:25:36,990 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 15:25:36,996 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-13 15:25:37,000 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-13 15:25:37,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:25:37,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:25:37,004 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:25:37,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-13 15:25:37,007 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 15:25:37,007 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-13 15:25:37,008 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 15:25:37,008 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~urilen~0#1, ULTIMATE.start_main_~cp~0#1) = 1*ULTIMATE.start_main_~urilen~0#1 - 1*ULTIMATE.start_main_~cp~0#1 Supporting invariants [] [2024-11-13 15:25:37,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-13 15:25:37,025 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-13 15:25:37,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:25:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:37,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 15:25:37,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:25:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:37,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 15:25:37,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:25:37,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:25:37,340 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-13 15:25:37,344 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 113 states, 112 states have (on average 1.4732142857142858) internal successors, (165), 112 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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) [2024-11-13 15:25:37,727 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 113 states, 112 states have (on average 1.4732142857142858) internal successors, (165), 112 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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 271 states and 374 transitions. Complement of second has 12 states. [2024-11-13 15:25:37,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2024-11-13 15:25:37,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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) [2024-11-13 15:25:37,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 290 transitions. [2024-11-13 15:25:37,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 290 transitions. Stem has 18 letters. Loop has 6 letters. [2024-11-13 15:25:37,742 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 15:25:37,743 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 290 transitions. Stem has 24 letters. Loop has 6 letters. [2024-11-13 15:25:37,743 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 15:25:37,743 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 290 transitions. Stem has 18 letters. Loop has 12 letters. [2024-11-13 15:25:37,743 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 15:25:37,744 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 271 states and 374 transitions. [2024-11-13 15:25:37,755 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 15:25:37,758 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 271 states to 0 states and 0 transitions. [2024-11-13 15:25:37,759 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-13 15:25:37,759 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-13 15:25:37,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-13 15:25:37,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 15:25:37,760 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 15:25:37,760 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 15:25:37,761 INFO L424 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 15:25:37,761 INFO L331 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-13 15:25:37,761 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-13 15:25:37,761 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 15:25:37,761 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-13 15:25:37,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 03:25:37 BoogieIcfgContainer [2024-11-13 15:25:37,770 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 15:25:37,771 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:25:37,772 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:25:37,772 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:25:37,773 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:25:35" (3/4) ... [2024-11-13 15:25:37,775 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:25:37,776 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:25:37,777 INFO L158 Benchmark]: Toolchain (without parser) took 2969.24ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 43.0MB in the end (delta: 49.2MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2024-11-13 15:25:37,780 INFO L158 Benchmark]: CDTParser took 1.68ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:25:37,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.53ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 80.6MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:25:37,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.49ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 78.9MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:25:37,782 INFO L158 Benchmark]: Boogie Preprocessor took 70.49ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:25:37,782 INFO L158 Benchmark]: RCFGBuilder took 535.82ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 59.7MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:25:37,782 INFO L158 Benchmark]: BuchiAutomizer took 1965.85ms. Allocated memory is still 117.4MB. Free memory was 59.4MB in the beginning and 43.0MB in the end (delta: 16.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-13 15:25:37,783 INFO L158 Benchmark]: Witness Printer took 5.27ms. Allocated memory is still 117.4MB. Free memory was 43.0MB in the beginning and 43.0MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:25:37,788 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.68ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.53ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 80.6MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.49ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 78.9MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.49ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 535.82ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 59.7MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1965.85ms. Allocated memory is still 117.4MB. Free memory was 59.4MB in the beginning and 43.0MB in the end (delta: 16.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Witness Printer took 5.27ms. Allocated memory is still 117.4MB. Free memory was 43.0MB in the beginning and 43.0MB in the end (delta: 21.1kB). 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) -1 * cp) + urilen) and consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. 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, 95 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 94 mSDsluCounter, 139 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 62 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 120 IncrementalHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 77 mSDtfsCounter, 120 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq157 hnf96 smp62 dnf100 smp100 tf110 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 37ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-13 15:25:37,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-13 15:25:38,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6bf3696-ff53-49df-85ad-7c7db49e9f77/bin/uautomizer-verify-qhAvR1uOyd/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