./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/n.c40.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/n.c40.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --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 ec147baa41deaa706a3db1972af791532e50c36ff3c23d3d92f8d6bea9417e65 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-12 00:43:48,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 00:43:48,606 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-12 00:43:48,612 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 00:43:48,615 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 00:43:48,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 00:43:48,642 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 00:43:48,642 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 00:43:48,643 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 00:43:48,644 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 00:43:48,645 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 00:43:48,645 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 00:43:48,645 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 00:43:48,646 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-12 00:43:48,648 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-12 00:43:48,648 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-12 00:43:48,649 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-12 00:43:48,649 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-12 00:43:48,649 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-12 00:43:48,649 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 00:43:48,649 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-12 00:43:48,650 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 00:43:48,650 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 00:43:48,650 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 00:43:48,650 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 00:43:48,650 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-12 00:43:48,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-12 00:43:48,651 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-12 00:43:48,651 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 00:43:48,651 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-12 00:43:48,651 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 00:43:48,651 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 00:43:48,651 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-12 00:43:48,652 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 00:43:48,652 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 00:43:48,652 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 00:43:48,653 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 00:43:48,654 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 00:43:48,654 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-12 00:43:48,655 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:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec147baa41deaa706a3db1972af791532e50c36ff3c23d3d92f8d6bea9417e65 [2024-10-12 00:43:48,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 00:43:48,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 00:43:48,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 00:43:48,946 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 00:43:48,946 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 00:43:48,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/n.c40.c [2024-10-12 00:43:50,263 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 00:43:50,426 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 00:43:50,426 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/n.c40.c [2024-10-12 00:43:50,437 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/83754e5cb/5c19541c5a3b4776bbc8f2e87dcf43da/FLAGf6d63e999 [2024-10-12 00:43:50,449 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/83754e5cb/5c19541c5a3b4776bbc8f2e87dcf43da [2024-10-12 00:43:50,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 00:43:50,453 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 00:43:50,455 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 00:43:50,456 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 00:43:50,467 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 00:43:50,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:43:50" (1/1) ... [2024-10-12 00:43:50,469 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18392162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:50, skipping insertion in model container [2024-10-12 00:43:50,469 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:43:50" (1/1) ... [2024-10-12 00:43:50,500 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 00:43:50,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:43:50,709 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 00:43:50,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:43:50,739 INFO L204 MainTranslator]: Completed translation [2024-10-12 00:43:50,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:50 WrapperNode [2024-10-12 00:43:50,739 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 00:43:50,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 00:43:50,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 00:43:50,740 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 00:43:50,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:50" (1/1) ... [2024-10-12 00:43:50,751 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:50" (1/1) ... [2024-10-12 00:43:50,764 INFO L138 Inliner]: procedures = 12, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2024-10-12 00:43:50,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 00:43:50,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 00:43:50,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 00:43:50,767 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 00:43:50,775 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:50" (1/1) ... [2024-10-12 00:43:50,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:50" (1/1) ... [2024-10-12 00:43:50,781 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:50" (1/1) ... [2024-10-12 00:43:50,800 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 8, 3, 4]. 47 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8, 0, 0]. The 4 writes are split as follows [0, 0, 1, 3]. [2024-10-12 00:43:50,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:50" (1/1) ... [2024-10-12 00:43:50,801 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:50" (1/1) ... [2024-10-12 00:43:50,809 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:50" (1/1) ... [2024-10-12 00:43:50,811 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:50" (1/1) ... [2024-10-12 00:43:50,812 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:50" (1/1) ... [2024-10-12 00:43:50,813 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:50" (1/1) ... [2024-10-12 00:43:50,815 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 00:43:50,819 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 00:43:50,819 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 00:43:50,819 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 00:43:50,820 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:50" (1/1) ... [2024-10-12 00:43:50,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:50,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:50,848 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:50,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-12 00:43:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-12 00:43:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-12 00:43:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-12 00:43:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-12 00:43:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 00:43:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 00:43:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 00:43:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-12 00:43:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-12 00:43:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-12 00:43:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-12 00:43:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 00:43:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-12 00:43:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-12 00:43:50,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-12 00:43:50,961 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 00:43:50,963 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 00:43:51,094 INFO L? ?]: Removed 2 outVars from TransFormulas that were not future-live. [2024-10-12 00:43:51,094 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 00:43:51,106 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 00:43:51,107 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-12 00:43:51,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:43:51 BoogieIcfgContainer [2024-10-12 00:43:51,107 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 00:43:51,108 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-12 00:43:51,109 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-12 00:43:51,112 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-12 00:43:51,112 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:43:51,112 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.10 12:43:50" (1/3) ... [2024-10-12 00:43:51,113 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3338d889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:43:51, skipping insertion in model container [2024-10-12 00:43:51,113 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:43:51,114 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:50" (2/3) ... [2024-10-12 00:43:51,114 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3338d889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:43:51, skipping insertion in model container [2024-10-12 00:43:51,114 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:43:51,115 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:43:51" (3/3) ... [2024-10-12 00:43:51,116 INFO L332 chiAutomizerObserver]: Analyzing ICFG n.c40.c [2024-10-12 00:43:51,170 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-12 00:43:51,171 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-12 00:43:51,171 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-12 00:43:51,171 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-12 00:43:51,171 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-12 00:43:51,171 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-12 00:43:51,171 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-12 00:43:51,171 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-12 00:43:51,177 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:43:51,190 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:43:51,190 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:43:51,190 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:43:51,194 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:43:51,195 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:43:51,195 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-12 00:43:51,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:43:51,196 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-12 00:43:51,196 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:43:51,196 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:43:51,196 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:43:51,196 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:43:51,204 INFO L745 eck$LassoCheckResult]: Stem: 10#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call write~init~int#1(110, 2, 0, 1);call write~init~int#1(46, 2, 1, 1);call write~init~int#1(99, 2, 2, 1);call write~init~int#1(52, 2, 3, 1);call write~init~int#1(48, 2, 4, 1);call write~init~int#1(46, 2, 5, 1);call write~init~int#1(99, 2, 6, 1);call write~init~int#1(0, 2, 7, 1);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(100, 4);~#x~0.base, ~#x~0.offset := 4, 0;#memory_int#2 := ~initToZeroAtPointerBaseAddress~int(#memory_int#2, ~#x~0.base);call #Ultimate.allocInit(100, 5);~#y~0.base, ~#y~0.offset := 5, 0;#memory_int#3 := ~initToZeroAtPointerBaseAddress~int(#memory_int#3, ~#y~0.base);~i~0 := 0;~j~0 := 0;~k~0 := 0; 4#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1;havoc main_#t~nondet4#1;~k~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~i~0 := 0; 6#L14-3true [2024-10-12 00:43:51,204 INFO L747 eck$LassoCheckResult]: Loop: 6#L14-3true call main_#t~mem5#1 := read~int#2(~#x~0.base, ~#x~0.offset + ~i~0, 1); 13#L14-1true assume !!(0 != main_#t~mem5#1);havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int#2(~#x~0.base, ~#x~0.offset + ~i~0, 1);call write~int#3(main_#t~mem6#1, ~#y~0.base, ~#y~0.offset + ~i~0, 1);havoc main_#t~mem6#1;main_#t~post7#1 := ~i~0;~i~0 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 6#L14-3true [2024-10-12 00:43:51,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:43:51,209 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-12 00:43:51,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:43:51,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695323887] [2024-10-12 00:43:51,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:43:51,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:43:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:51,304 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:43:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:51,339 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:43:51,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:43:51,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2024-10-12 00:43:51,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:43:51,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274405302] [2024-10-12 00:43:51,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:43:51,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:43:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:51,391 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:43:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:51,433 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:43:51,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:43:51,435 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2024-10-12 00:43:51,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:43:51,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484837521] [2024-10-12 00:43:51,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:43:51,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:43:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:43:51,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:43:51,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:43:51,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484837521] [2024-10-12 00:43:51,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484837521] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:43:51,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:43:51,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 00:43:51,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768282974] [2024-10-12 00:43:51,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:43:51,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:43:51,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 00:43:51,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-12 00:43:51,856 INFO L87 Difference]: Start difference. First operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:43:51,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:43:51,897 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2024-10-12 00:43:51,898 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 12 transitions. [2024-10-12 00:43:51,899 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-12 00:43:51,901 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2024-10-12 00:43:51,902 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-12 00:43:51,902 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-12 00:43:51,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-12 00:43:51,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:43:51,903 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:43:51,903 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:43:51,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 00:43:51,910 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:43:51,910 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-12 00:43:51,911 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-12 00:43:51,911 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-12 00:43:51,911 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-12 00:43:51,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 12:43:51 BoogieIcfgContainer [2024-10-12 00:43:51,918 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-12 00:43:51,919 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 00:43:51,919 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 00:43:51,919 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 00:43:51,920 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:43:51" (3/4) ... [2024-10-12 00:43:51,921 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-12 00:43:51,922 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 00:43:51,923 INFO L158 Benchmark]: Toolchain (without parser) took 1470.10ms. Allocated memory is still 211.8MB. Free memory was 143.7MB in the beginning and 156.0MB in the end (delta: -12.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:43:51,924 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 109.1MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:43:51,925 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.22ms. Allocated memory is still 211.8MB. Free memory was 143.4MB in the beginning and 131.4MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-12 00:43:51,925 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.37ms. Allocated memory is still 211.8MB. Free memory was 131.4MB in the beginning and 129.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:43:51,926 INFO L158 Benchmark]: Boogie Preprocessor took 51.59ms. Allocated memory is still 211.8MB. Free memory was 129.9MB in the beginning and 128.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:43:51,927 INFO L158 Benchmark]: RCFGBuilder took 288.63ms. Allocated memory is still 211.8MB. Free memory was 127.8MB in the beginning and 115.5MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-12 00:43:51,927 INFO L158 Benchmark]: BuchiAutomizer took 810.01ms. Allocated memory is still 211.8MB. Free memory was 115.5MB in the beginning and 157.0MB in the end (delta: -41.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:43:51,928 INFO L158 Benchmark]: Witness Printer took 3.61ms. Allocated memory is still 211.8MB. Free memory is still 156.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:43:51,929 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 109.1MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.22ms. Allocated memory is still 211.8MB. Free memory was 143.4MB in the beginning and 131.4MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.37ms. Allocated memory is still 211.8MB. Free memory was 131.4MB in the beginning and 129.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.59ms. Allocated memory is still 211.8MB. Free memory was 129.9MB in the beginning and 128.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 288.63ms. Allocated memory is still 211.8MB. Free memory was 127.8MB in the beginning and 115.5MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 810.01ms. Allocated memory is still 211.8MB. Free memory was 115.5MB in the beginning and 157.0MB in the end (delta: -41.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.61ms. Allocated memory is still 211.8MB. Free memory is still 156.0MB. 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 (1 trivial, 0 deterministic, 0 nondeterministic). 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. 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 [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 10 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-12 00:43:51,976 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/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