./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/float-benchs/filter2_reinit.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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/float-benchs/filter2_reinit.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 77348271d6b3efbe553fb980482d4643f648de35ae877e068f35f88b7419ce44 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 02:31:47,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 02:31:47,172 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-23 02:31:47,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 02:31:47,176 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 02:31:47,199 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 02:31:47,200 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 02:31:47,200 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 02:31:47,200 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 02:31:47,201 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 02:31:47,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 02:31:47,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 02:31:47,203 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 02:31:47,203 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-23 02:31:47,204 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-23 02:31:47,205 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-23 02:31:47,205 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-23 02:31:47,205 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-23 02:31:47,205 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-23 02:31:47,206 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 02:31:47,206 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-23 02:31:47,209 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 02:31:47,209 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 02:31:47,209 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 02:31:47,209 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 02:31:47,209 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-23 02:31:47,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-23 02:31:47,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-23 02:31:47,210 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 02:31:47,210 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 02:31:47,210 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 02:31:47,211 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 02:31:47,211 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-23 02:31:47,211 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 02:31:47,211 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 02:31:47,211 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 02:31:47,212 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 02:31:47,212 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 02:31:47,212 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-23 02:31:47,212 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77348271d6b3efbe553fb980482d4643f648de35ae877e068f35f88b7419ce44 [2024-11-23 02:31:47,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 02:31:47,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 02:31:47,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 02:31:47,540 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 02:31:47,540 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 02:31:47,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter2_reinit.c [2024-11-23 02:31:49,329 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 02:31:49,474 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 02:31:49,475 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2_reinit.c [2024-11-23 02:31:49,502 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/244907728/86dab91bc37a4b77a313e1ef13c3b6b1/FLAG8acde3d41 [2024-11-23 02:31:49,899 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/244907728/86dab91bc37a4b77a313e1ef13c3b6b1 [2024-11-23 02:31:49,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 02:31:49,907 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 02:31:49,909 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 02:31:49,909 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 02:31:49,915 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 02:31:49,915 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:31:49" (1/1) ... [2024-11-23 02:31:49,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c12be0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:49, skipping insertion in model container [2024-11-23 02:31:49,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:31:49" (1/1) ... [2024-11-23 02:31:49,948 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 02:31:50,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:31:50,189 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 02:31:50,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:31:50,227 INFO L204 MainTranslator]: Completed translation [2024-11-23 02:31:50,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:50 WrapperNode [2024-11-23 02:31:50,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 02:31:50,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 02:31:50,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 02:31:50,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 02:31:50,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:50" (1/1) ... [2024-11-23 02:31:50,246 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:50" (1/1) ... [2024-11-23 02:31:50,261 INFO L138 Inliner]: procedures = 15, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 70 [2024-11-23 02:31:50,261 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 02:31:50,262 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 02:31:50,262 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 02:31:50,262 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 02:31:50,272 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:50" (1/1) ... [2024-11-23 02:31:50,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:50" (1/1) ... [2024-11-23 02:31:50,278 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:50" (1/1) ... [2024-11-23 02:31:50,306 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]. [2024-11-23 02:31:50,309 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:50" (1/1) ... [2024-11-23 02:31:50,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:50" (1/1) ... [2024-11-23 02:31:50,316 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:50" (1/1) ... [2024-11-23 02:31:50,334 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:50" (1/1) ... [2024-11-23 02:31:50,342 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:50" (1/1) ... [2024-11-23 02:31:50,347 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:50" (1/1) ... [2024-11-23 02:31:50,348 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 02:31:50,355 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 02:31:50,355 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 02:31:50,355 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 02:31:50,356 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:50" (1/1) ... [2024-11-23 02:31:50,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:31:50,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:31:50,426 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) [2024-11-23 02:31:50,437 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 [2024-11-23 02:31:50,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 02:31:50,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 02:31:50,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 02:31:50,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 02:31:50,552 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 02:31:50,554 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 02:31:50,691 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-23 02:31:50,691 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 02:31:50,708 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 02:31:50,708 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-23 02:31:50,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:31:50 BoogieIcfgContainer [2024-11-23 02:31:50,709 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 02:31:50,737 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-23 02:31:50,737 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-23 02:31:50,745 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-23 02:31:50,747 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:31:50,750 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:31:49" (1/3) ... [2024-11-23 02:31:50,751 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bef7313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:31:50, skipping insertion in model container [2024-11-23 02:31:50,751 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:31:50,751 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:50" (2/3) ... [2024-11-23 02:31:50,751 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bef7313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:31:50, skipping insertion in model container [2024-11-23 02:31:50,752 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:31:50,752 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:31:50" (3/3) ... [2024-11-23 02:31:50,753 INFO L332 chiAutomizerObserver]: Analyzing ICFG filter2_reinit.c [2024-11-23 02:31:50,811 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-23 02:31:50,812 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-23 02:31:50,812 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-23 02:31:50,812 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-23 02:31:50,812 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-23 02:31:50,812 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-23 02:31:50,813 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-23 02:31:50,813 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-23 02:31:50,816 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 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) [2024-11-23 02:31:50,829 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2024-11-23 02:31:50,830 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:31:50,830 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:31:50,833 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-23 02:31:50,833 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:31:50,834 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-23 02:31:50,834 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 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) [2024-11-23 02:31:50,836 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2024-11-23 02:31:50,836 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:31:50,836 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:31:50,836 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-23 02:31:50,837 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:31:50,842 INFO L745 eck$LassoCheckResult]: Stem: 16#$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(17, 2);call #Ultimate.allocInit(12, 3); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~post8#1, main_~E~0#1, main_~E0~0#1, main_~E1~0#1, main_~S0~0#1, main_~S1~0#1, main_~S~0#1, main_~i~0#1;havoc main_~E~0#1;havoc main_~E0~0#1;havoc main_~E1~0#1;havoc main_~S0~0#1;havoc main_~S1~0#1;havoc main_~S~0#1;havoc main_~i~0#1;havoc main_#t~nondet4#1;main_~E~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~E0~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~someBinaryDOUBLEComparisonOperation(main_~E~0#1, 0.0) && ~someBinaryDOUBLEComparisonOperation(main_~E~0#1, 1.0) then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 2#L16true assume !(0 == assume_abort_if_not_~cond#1); 6#L15true havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~someBinaryDOUBLEComparisonOperation(main_~E0~0#1, 0.0) && ~someBinaryDOUBLEComparisonOperation(main_~E0~0#1, 1.0) then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 17#L16-2true assume !(0 == assume_abort_if_not_~cond#1); 19#L15-1true havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;main_~S0~0#1 := ~convertINTToDOUBLE(0);main_~S~0#1 := ~convertINTToDOUBLE(0);main_~i~0#1 := 0; 20#L34-3true [2024-11-23 02:31:50,844 INFO L747 eck$LassoCheckResult]: Loop: 20#L34-3true assume !!(main_~i~0#1 <= 1000000);main_~E1~0#1 := main_~E0~0#1;main_~E0~0#1 := main_~E~0#1;havoc main_#t~nondet6#1;main_~E~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~someBinaryDOUBLEComparisonOperation(main_~E~0#1, 0.0) && ~someBinaryDOUBLEComparisonOperation(main_~E~0#1, 1.0) then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 18#L16-4true assume 0 == assume_abort_if_not_~cond#1;assume false; 11#L15-2true havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;havoc main_#t~nondet7#1; 8#L42true assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1;main_~E1~0#1 := main_~E~0#1;main_~E0~0#1 := main_~E~0#1;main_~S0~0#1 := main_~E~0#1;main_~S~0#1 := main_~E~0#1; 15#L42-2true main_~S1~0#1 := main_~S0~0#1;main_~S0~0#1 := main_~S~0#1;main_~S~0#1 := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(0.7, main_~E~0#1), ~someBinaryArithmeticDOUBLEoperation(main_~E0~0#1, 1.3)), ~someBinaryArithmeticDOUBLEoperation(main_~E1~0#1, 1.1)), ~someBinaryArithmeticDOUBLEoperation(main_~S0~0#1, 1.4)), ~someBinaryArithmeticDOUBLEoperation(main_~S1~0#1, 0.7));assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if ~someBinaryDOUBLEComparisonOperation(main_~S~0#1, ~someUnaryDOUBLEoperation(4.0)) && ~someBinaryDOUBLEComparisonOperation(main_~S~0#1, 4.0) then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 12#L18true assume !(0 == __VERIFIER_assert_~cond#1); 14#L18-3true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true; 10#L34-2true main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 20#L34-3true [2024-11-23 02:31:50,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:31:50,848 INFO L85 PathProgramCache]: Analyzing trace with hash 889568359, now seen corresponding path program 1 times [2024-11-23 02:31:50,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:31:50,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258692752] [2024-11-23 02:31:50,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:31:50,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:31:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:31:50,950 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:31:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:31:50,980 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:31:50,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:31:50,983 INFO L85 PathProgramCache]: Analyzing trace with hash 478165746, now seen corresponding path program 1 times [2024-11-23 02:31:50,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:31:50,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740181525] [2024-11-23 02:31:50,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:31:50,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:31:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:31:51,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:31:51,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 02:31:51,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740181525] [2024-11-23 02:31:51,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740181525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 02:31:51,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 02:31:51,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 02:31:51,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831892766] [2024-11-23 02:31:51,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 02:31:51,036 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-23 02:31:51,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 02:31:51,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 02:31:51,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 02:31:51,068 INFO L87 Difference]: Start difference. First operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 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 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-11-23 02:31:51,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 02:31:51,075 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2024-11-23 02:31:51,076 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 20 transitions. [2024-11-23 02:31:51,078 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-23 02:31:51,081 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 14 states and 15 transitions. [2024-11-23 02:31:51,083 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-11-23 02:31:51,083 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-11-23 02:31:51,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 15 transitions. [2024-11-23 02:31:51,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:31:51,084 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-11-23 02:31:51,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 15 transitions. [2024-11-23 02:31:51,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-23 02:31:51,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 13 states have internal predecessors, (15), 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) [2024-11-23 02:31:51,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2024-11-23 02:31:51,104 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-11-23 02:31:51,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 02:31:51,108 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-11-23 02:31:51,108 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-23 02:31:51,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 15 transitions. [2024-11-23 02:31:51,108 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-23 02:31:51,108 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:31:51,108 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:31:51,109 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-23 02:31:51,109 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:31:51,110 INFO L745 eck$LassoCheckResult]: Stem: 59#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(17, 2);call #Ultimate.allocInit(12, 3); 50#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~post8#1, main_~E~0#1, main_~E0~0#1, main_~E1~0#1, main_~S0~0#1, main_~S1~0#1, main_~S~0#1, main_~i~0#1;havoc main_~E~0#1;havoc main_~E0~0#1;havoc main_~E1~0#1;havoc main_~S0~0#1;havoc main_~S1~0#1;havoc main_~S~0#1;havoc main_~i~0#1;havoc main_#t~nondet4#1;main_~E~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~E0~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~someBinaryDOUBLEComparisonOperation(main_~E~0#1, 0.0) && ~someBinaryDOUBLEComparisonOperation(main_~E~0#1, 1.0) then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 47#L16 assume !(0 == assume_abort_if_not_~cond#1); 48#L15 havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~someBinaryDOUBLEComparisonOperation(main_~E0~0#1, 0.0) && ~someBinaryDOUBLEComparisonOperation(main_~E0~0#1, 1.0) then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 49#L16-2 assume !(0 == assume_abort_if_not_~cond#1); 58#L15-1 havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;main_~S0~0#1 := ~convertINTToDOUBLE(0);main_~S~0#1 := ~convertINTToDOUBLE(0);main_~i~0#1 := 0; 54#L34-3 [2024-11-23 02:31:51,110 INFO L747 eck$LassoCheckResult]: Loop: 54#L34-3 assume !!(main_~i~0#1 <= 1000000);main_~E1~0#1 := main_~E0~0#1;main_~E0~0#1 := main_~E~0#1;havoc main_#t~nondet6#1;main_~E~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~someBinaryDOUBLEComparisonOperation(main_~E~0#1, 0.0) && ~someBinaryDOUBLEComparisonOperation(main_~E~0#1, 1.0) then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 60#L16-4 assume !(0 == assume_abort_if_not_~cond#1); 55#L15-2 havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;havoc main_#t~nondet7#1; 51#L42 assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1;main_~E1~0#1 := main_~E~0#1;main_~E0~0#1 := main_~E~0#1;main_~S0~0#1 := main_~E~0#1;main_~S~0#1 := main_~E~0#1; 52#L42-2 main_~S1~0#1 := main_~S0~0#1;main_~S0~0#1 := main_~S~0#1;main_~S~0#1 := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(0.7, main_~E~0#1), ~someBinaryArithmeticDOUBLEoperation(main_~E0~0#1, 1.3)), ~someBinaryArithmeticDOUBLEoperation(main_~E1~0#1, 1.1)), ~someBinaryArithmeticDOUBLEoperation(main_~S0~0#1, 1.4)), ~someBinaryArithmeticDOUBLEoperation(main_~S1~0#1, 0.7));assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if ~someBinaryDOUBLEComparisonOperation(main_~S~0#1, ~someUnaryDOUBLEoperation(4.0)) && ~someBinaryDOUBLEComparisonOperation(main_~S~0#1, 4.0) then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 56#L18 assume !(0 == __VERIFIER_assert_~cond#1); 57#L18-3 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true; 53#L34-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 54#L34-3 [2024-11-23 02:31:51,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:31:51,112 INFO L85 PathProgramCache]: Analyzing trace with hash 889568359, now seen corresponding path program 2 times [2024-11-23 02:31:51,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:31:51,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11178262] [2024-11-23 02:31:51,113 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:31:51,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:31:51,133 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 02:31:51,134 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:31:51,134 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:31:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:31:51,149 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:31:51,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:31:51,152 INFO L85 PathProgramCache]: Analyzing trace with hash -2041794188, now seen corresponding path program 1 times [2024-11-23 02:31:51,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:31:51,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512061785] [2024-11-23 02:31:51,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:31:51,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:31:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:31:51,163 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:31:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:31:51,170 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:31:51,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:31:51,170 INFO L85 PathProgramCache]: Analyzing trace with hash 991602650, now seen corresponding path program 1 times [2024-11-23 02:31:51,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:31:51,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040866063] [2024-11-23 02:31:51,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:31:51,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:31:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:31:51,186 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:31:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:31:51,197 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:31:51,308 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:31:51,309 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:31:51,309 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:31:51,309 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:31:51,309 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 02:31:51,309 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:31:51,309 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:31:51,309 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:31:51,309 INFO L132 ssoRankerPreferences]: Filename of dumped script: filter2_reinit.c_Iteration2_Loop [2024-11-23 02:31:51,309 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:31:51,310 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:31:51,362 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:31:51,384 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:31:51,416 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:31:51,421 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:31:51,423 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:31:51,429 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:31:51,432 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:31:51,437 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:31:51,439 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:31:51,441 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:31:51,498 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:31:51,499 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 02:31:51,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:31:51,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:31:51,519 INFO L229 MonitoredProcess]: Starting monitored process 2 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) [2024-11-23 02:31:51,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-23 02:31:51,523 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:31:51,523 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:31:51,547 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-23 02:31:51,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:31:51,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:31:51,550 INFO L229 MonitoredProcess]: Starting monitored process 3 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) [2024-11-23 02:31:51,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-23 02:31:51,552 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 02:31:51,552 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:31:51,577 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 02:31:51,606 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-23 02:31:51,606 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:31:51,606 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:31:51,607 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:31:51,607 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:31:51,607 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 02:31:51,607 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:31:51,607 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:31:51,607 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:31:51,607 INFO L132 ssoRankerPreferences]: Filename of dumped script: filter2_reinit.c_Iteration2_Loop [2024-11-23 02:31:51,607 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:31:51,607 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:31:51,609 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:31:51,622 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:31:51,636 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:31:51,647 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:31:51,650 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:31:51,657 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:31:51,661 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:31:51,670 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:31:51,674 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:31:51,677 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:31:51,780 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:31:51,789 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 02:31:51,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:31:51,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:31:51,796 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2024-11-23 02:31:51,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-23 02:31:51,800 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 [2024-11-23 02:31:51,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:31:51,813 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:31:51,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:31:51,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:31:51,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:31:51,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:31:51,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:31:51,828 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:31:51,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-23 02:31:51,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:31:51,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:31:51,841 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2024-11-23 02:31:51,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-23 02:31:51,855 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 [2024-11-23 02:31:51,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:31:51,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:31:51,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:31:51,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:31:51,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:31:51,868 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:31:51,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:31:51,871 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 02:31:51,878 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-23 02:31:51,879 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-23 02:31:51,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:31:51,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:31:51,919 INFO L229 MonitoredProcess]: Starting monitored process 6 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) [2024-11-23 02:31:51,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-23 02:31:51,922 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 02:31:51,922 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 02:31:51,922 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 02:31:51,923 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 2000001 Supporting invariants [] [2024-11-23 02:31:51,930 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-23 02:31:51,934 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 02:31:51,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:31:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:31:51,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:31:51,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:31:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:31:52,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 02:31:52,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:31:52,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:31:52,070 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-23 02:31:52,071 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 15 transitions. cyclomatic complexity: 2 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:31:52,098 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 15 transitions. cyclomatic complexity: 2. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 25 transitions. Complement of second has 4 states. [2024-11-23 02:31:52,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-23 02:31:52,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:31:52,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2024-11-23 02:31:52,101 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 6 letters. Loop has 8 letters. [2024-11-23 02:31:52,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:31:52,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 14 letters. Loop has 8 letters. [2024-11-23 02:31:52,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:31:52,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 6 letters. Loop has 16 letters. [2024-11-23 02:31:52,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:31:52,103 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 25 transitions. [2024-11-23 02:31:52,103 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 02:31:52,104 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2024-11-23 02:31:52,104 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-23 02:31:52,104 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-23 02:31:52,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-23 02:31:52,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:31:52,104 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:31:52,104 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:31:52,105 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:31:52,105 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-23 02:31:52,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-23 02:31:52,105 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 02:31:52,105 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-23 02:31:52,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:31:52 BoogieIcfgContainer [2024-11-23 02:31:52,111 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-23 02:31:52,112 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 02:31:52,112 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 02:31:52,112 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 02:31:52,112 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:31:50" (3/4) ... [2024-11-23 02:31:52,114 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-23 02:31:52,115 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 02:31:52,115 INFO L158 Benchmark]: Toolchain (without parser) took 2208.84ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 82.1MB in the beginning and 149.3MB in the end (delta: -67.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:31:52,116 INFO L158 Benchmark]: CDTParser took 3.85ms. Allocated memory is still 151.0MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:31:52,116 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.62ms. Allocated memory is still 151.0MB. Free memory was 81.8MB in the beginning and 69.3MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-23 02:31:52,117 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.86ms. Allocated memory is still 151.0MB. Free memory was 69.3MB in the beginning and 67.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 02:31:52,117 INFO L158 Benchmark]: Boogie Preprocessor took 92.34ms. Allocated memory is still 151.0MB. Free memory was 67.7MB in the beginning and 66.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 02:31:52,117 INFO L158 Benchmark]: RCFGBuilder took 354.00ms. Allocated memory is still 151.0MB. Free memory was 65.8MB in the beginning and 54.4MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-23 02:31:52,118 INFO L158 Benchmark]: BuchiAutomizer took 1374.37ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 122.2MB in the beginning and 149.3MB in the end (delta: -27.1MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2024-11-23 02:31:52,118 INFO L158 Benchmark]: Witness Printer took 3.41ms. Allocated memory is still 213.9MB. Free memory is still 149.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:31:52,120 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.85ms. Allocated memory is still 151.0MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.62ms. Allocated memory is still 151.0MB. Free memory was 81.8MB in the beginning and 69.3MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.86ms. Allocated memory is still 151.0MB. Free memory was 69.3MB in the beginning and 67.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.34ms. Allocated memory is still 151.0MB. Free memory was 67.7MB in the beginning and 66.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 354.00ms. Allocated memory is still 151.0MB. Free memory was 65.8MB in the beginning and 54.4MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1374.37ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 122.2MB in the beginning and 149.3MB in the end (delta: -27.1MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * Witness Printer took 3.41ms. Allocated memory is still 213.9MB. Free memory is still 149.3MB. 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 (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long long) -2 * i) + 2000001) and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 33 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax100 hnf100 lsp62 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 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! [2024-11-23 02:31:52,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-23 02:31:52,337 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