./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/while_infinite_loop_4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loops/while_infinite_loop_4.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 4e1af5f99f69a9274241fcc833ef9ca578ac40199221caab0e395b3d77967510 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 21:25:12,003 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 21:25:12,088 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-12 21:25:12,106 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 21:25:12,107 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 21:25:12,137 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 21:25:12,138 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 21:25:12,138 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 21:25:12,139 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 21:25:12,140 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 21:25:12,141 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 21:25:12,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 21:25:12,142 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 21:25:12,142 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-12 21:25:12,144 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-12 21:25:12,145 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-12 21:25:12,145 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-12 21:25:12,145 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-12 21:25:12,145 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-12 21:25:12,146 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 21:25:12,146 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-12 21:25:12,148 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 21:25:12,148 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 21:25:12,148 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 21:25:12,149 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 21:25:12,149 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-12 21:25:12,149 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-12 21:25:12,149 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-12 21:25:12,150 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 21:25:12,150 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 21:25:12,150 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 21:25:12,150 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 21:25:12,151 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-12 21:25:12,151 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 21:25:12,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 21:25:12,151 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 21:25:12,152 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 21:25:12,152 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 21:25:12,152 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-12 21:25:12,153 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e1af5f99f69a9274241fcc833ef9ca578ac40199221caab0e395b3d77967510 [2024-11-12 21:25:12,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 21:25:12,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 21:25:12,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 21:25:12,456 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 21:25:12,457 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 21:25:12,458 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/while_infinite_loop_4.c [2024-11-12 21:25:13,996 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 21:25:14,179 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 21:25:14,180 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/while_infinite_loop_4.c [2024-11-12 21:25:14,191 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7add325fa/fc321fcf93f24200bbdb47621687070e/FLAG78fdb6e01 [2024-11-12 21:25:14,205 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7add325fa/fc321fcf93f24200bbdb47621687070e [2024-11-12 21:25:14,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 21:25:14,210 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 21:25:14,211 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 21:25:14,212 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 21:25:14,216 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 21:25:14,217 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:25:14" (1/1) ... [2024-11-12 21:25:14,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cc19140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:25:14, skipping insertion in model container [2024-11-12 21:25:14,218 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:25:14" (1/1) ... [2024-11-12 21:25:14,236 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 21:25:14,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:25:14,444 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 21:25:14,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:25:14,478 INFO L204 MainTranslator]: Completed translation [2024-11-12 21:25:14,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:25:14 WrapperNode [2024-11-12 21:25:14,479 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 21:25:14,480 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 21:25:14,480 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 21:25:14,481 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 21:25:14,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:25:14" (1/1) ... [2024-11-12 21:25:14,494 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:25:14" (1/1) ... [2024-11-12 21:25:14,512 INFO L138 Inliner]: procedures = 13, calls = 11, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 40 [2024-11-12 21:25:14,512 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 21:25:14,513 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 21:25:14,513 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 21:25:14,513 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 21:25:14,523 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:25:14" (1/1) ... [2024-11-12 21:25:14,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:25:14" (1/1) ... [2024-11-12 21:25:14,525 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:25:14" (1/1) ... [2024-11-12 21:25:14,537 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]. [2024-11-12 21:25:14,537 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:25:14" (1/1) ... [2024-11-12 21:25:14,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:25:14" (1/1) ... [2024-11-12 21:25:14,540 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:25:14" (1/1) ... [2024-11-12 21:25:14,546 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:25:14" (1/1) ... [2024-11-12 21:25:14,547 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:25:14" (1/1) ... [2024-11-12 21:25:14,547 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:25:14" (1/1) ... [2024-11-12 21:25:14,555 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 21:25:14,556 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 21:25:14,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 21:25:14,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 21:25:14,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:25:14" (1/1) ... [2024-11-12 21:25:14,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:25:14,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:25:14,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:25:14,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-12 21:25:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 21:25:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 21:25:14,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 21:25:14,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 21:25:14,702 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 21:25:14,704 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 21:25:14,795 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-12 21:25:14,796 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 21:25:14,806 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 21:25:14,806 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-12 21:25:14,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:25:14 BoogieIcfgContainer [2024-11-12 21:25:14,807 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 21:25:14,808 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-12 21:25:14,808 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-12 21:25:14,811 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-12 21:25:14,812 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:25:14,812 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 09:25:14" (1/3) ... [2024-11-12 21:25:14,813 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@406dd36b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:25:14, skipping insertion in model container [2024-11-12 21:25:14,813 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:25:14,813 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:25:14" (2/3) ... [2024-11-12 21:25:14,814 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@406dd36b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:25:14, skipping insertion in model container [2024-11-12 21:25:14,814 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:25:14,814 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:25:14" (3/3) ... [2024-11-12 21:25:14,816 INFO L332 chiAutomizerObserver]: Analyzing ICFG while_infinite_loop_4.c [2024-11-12 21:25:14,896 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2024-11-12 21:25:14,896 INFO L302 stractBuchiCegarLoop]: Hoare is None [2024-11-12 21:25:14,896 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-12 21:25:14,896 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-12 21:25:14,897 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-12 21:25:14,897 INFO L306 stractBuchiCegarLoop]: Difference is false [2024-11-12 21:25:14,897 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-12 21:25:14,897 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-12 21:25:14,902 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 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) [2024-11-12 21:25:14,919 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-12 21:25:14,920 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:25:14,921 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:25:14,926 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-12 21:25:14,927 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-12 21:25:14,927 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-12 21:25:14,927 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 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) [2024-11-12 21:25:14,929 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-12 21:25:14,930 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:25:14,930 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:25:14,931 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-12 21:25:14,932 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-12 21:25:14,939 INFO L747 eck$LassoCheckResult]: Stem: "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(24, 2);call #Ultimate.allocInit(12, 3);~x~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;" [2024-11-12 21:25:14,940 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;assume { :begin_inline_eval } true;" "assume false;" "assume { :end_inline_eval } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 == ~x~0 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1;" "assume !(0 == __VERIFIER_assert_~cond#1);" "havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;" [2024-11-12 21:25:14,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:25:14,947 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-12 21:25:14,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:25:14,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771338621] [2024-11-12 21:25:14,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:25:14,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:25:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:25:15,067 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:25:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:25:15,105 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:25:15,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:25:15,111 INFO L85 PathProgramCache]: Analyzing trace with hash 39349236, now seen corresponding path program 1 times [2024-11-12 21:25:15,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:25:15,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326560252] [2024-11-12 21:25:15,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:25:15,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:25:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:25:15,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:25:15,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326560252] [2024-11-12 21:25:15,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326560252] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:25:15,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179293691] [2024-11-12 21:25:15,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:25:15,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:25:15,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:25:15,161 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:25:15,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 21:25:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:25:15,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-12 21:25:15,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:25:15,206 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:25:15,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179293691] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:25:15,210 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:25:15,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-11-12 21:25:15,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222584535] [2024-11-12 21:25:15,211 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:25:15,215 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 21:25:15,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:25:15,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 21:25:15,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 21:25:15,251 INFO L87 Difference]: Start difference. First operand has 17 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:25:15,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:25:15,273 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2024-11-12 21:25:15,274 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 8 transitions. [2024-11-12 21:25:15,275 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-12 21:25:15,278 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 7 states and 7 transitions. [2024-11-12 21:25:15,279 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-11-12 21:25:15,279 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-11-12 21:25:15,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 7 transitions. [2024-11-12 21:25:15,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:25:15,280 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7 states and 7 transitions. [2024-11-12 21:25:15,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 7 transitions. [2024-11-12 21:25:15,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2024-11-12 21:25:15,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.0) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:25:15,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2024-11-12 21:25:15,312 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 7 transitions. [2024-11-12 21:25:15,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 21:25:15,318 INFO L426 stractBuchiCegarLoop]: Abstraction has 7 states and 7 transitions. [2024-11-12 21:25:15,319 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-12 21:25:15,319 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 7 transitions. [2024-11-12 21:25:15,320 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-12 21:25:15,320 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:25:15,320 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:25:15,321 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-12 21:25:15,321 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-12 21:25:15,322 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3);~x~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;" [2024-11-12 21:25:15,322 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;assume { :begin_inline_eval } true;" "assume !false;~x~0 := 1;" "assume { :end_inline_eval } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 == ~x~0 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1;" "assume !(0 == __VERIFIER_assert_~cond#1);" "havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;" [2024-11-12 21:25:15,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:25:15,324 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2024-11-12 21:25:15,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:25:15,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817909520] [2024-11-12 21:25:15,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:25:15,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:25:15,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:25:15,334 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:25:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:25:15,345 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:25:15,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:25:15,347 INFO L85 PathProgramCache]: Analyzing trace with hash 39408818, now seen corresponding path program 1 times [2024-11-12 21:25:15,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:25:15,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572557427] [2024-11-12 21:25:15,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:25:15,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:25:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:25:15,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:25:15,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572557427] [2024-11-12 21:25:15,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572557427] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:25:15,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914973194] [2024-11-12 21:25:15,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:25:15,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:25:15,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:25:15,456 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:25:15,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 21:25:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:25:15,490 WARN L254 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 21:25:15,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:25:15,532 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:25:15,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914973194] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:25:15,555 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:25:15,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2024-11-12 21:25:15,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313589133] [2024-11-12 21:25:15,556 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:25:15,556 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 21:25:15,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:25:15,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 21:25:15,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 21:25:15,558 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. cyclomatic complexity: 1 Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:25:15,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:25:15,578 INFO L93 Difference]: Finished difference Result 6 states and 5 transitions. [2024-11-12 21:25:15,578 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 5 transitions. [2024-11-12 21:25:15,578 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-12 21:25:15,578 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 0 states and 0 transitions. [2024-11-12 21:25:15,579 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-12 21:25:15,579 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-12 21:25:15,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-12 21:25:15,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:25:15,579 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 21:25:15,580 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 21:25:15,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 21:25:15,581 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 21:25:15,581 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-12 21:25:15,581 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-12 21:25:15,581 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-12 21:25:15,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-12 21:25:15,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 09:25:15 BoogieIcfgContainer [2024-11-12 21:25:15,589 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-12 21:25:15,590 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 21:25:15,590 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 21:25:15,590 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 21:25:15,591 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:25:14" (3/4) ... [2024-11-12 21:25:15,593 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 21:25:15,594 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 21:25:15,594 INFO L158 Benchmark]: Toolchain (without parser) took 1384.36ms. Allocated memory was 176.2MB in the beginning and 268.4MB in the end (delta: 92.3MB). Free memory was 117.8MB in the beginning and 223.3MB in the end (delta: -105.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:25:15,595 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 176.2MB. Free memory is still 138.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:25:15,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.25ms. Allocated memory is still 176.2MB. Free memory was 117.8MB in the beginning and 105.8MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-12 21:25:15,596 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.32ms. Allocated memory is still 176.2MB. Free memory was 105.8MB in the beginning and 104.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:25:15,596 INFO L158 Benchmark]: Boogie Preprocessor took 42.08ms. Allocated memory is still 176.2MB. Free memory was 104.6MB in the beginning and 103.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:25:15,597 INFO L158 Benchmark]: RCFGBuilder took 250.99ms. Allocated memory is still 176.2MB. Free memory was 102.7MB in the beginning and 93.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-12 21:25:15,597 INFO L158 Benchmark]: BuchiAutomizer took 781.33ms. Allocated memory was 176.2MB in the beginning and 268.4MB in the end (delta: 92.3MB). Free memory was 93.3MB in the beginning and 223.3MB in the end (delta: -130.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:25:15,598 INFO L158 Benchmark]: Witness Printer took 4.03ms. Allocated memory is still 268.4MB. Free memory is still 223.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:25:15,600 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 176.2MB. Free memory is still 138.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.25ms. Allocated memory is still 176.2MB. Free memory was 117.8MB in the beginning and 105.8MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.32ms. Allocated memory is still 176.2MB. Free memory was 105.8MB in the beginning and 104.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.08ms. Allocated memory is still 176.2MB. Free memory was 104.6MB in the beginning and 103.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 250.99ms. Allocated memory is still 176.2MB. Free memory was 102.7MB in the beginning and 93.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 781.33ms. Allocated memory was 176.2MB in the beginning and 268.4MB in the end (delta: 92.3MB). Free memory was 93.3MB in the beginning and 223.3MB in the end (delta: -130.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.03ms. Allocated memory is still 268.4MB. Free memory is still 223.3MB. 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic). 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. 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, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 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! [2024-11-12 21:25:15,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 21:25:15,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-12 21:25:16,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE