./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/float-benchs/filter2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/float-benchs/filter2.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 e42e84729022b725ebcfce66d0ece68757a1a9b385230356b4d45a24fc6b4ef2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 07:28:50,261 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 07:28:50,328 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-01-10 07:28:50,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 07:28:50,335 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 07:28:50,359 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 07:28:50,360 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 07:28:50,360 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 07:28:50,361 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 07:28:50,361 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 07:28:50,362 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 07:28:50,363 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 07:28:50,363 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 07:28:50,363 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-01-10 07:28:50,363 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-01-10 07:28:50,363 INFO L153 SettingsManager]: * Use old map elimination=false [2025-01-10 07:28:50,363 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-01-10 07:28:50,363 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-01-10 07:28:50,364 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-01-10 07:28:50,364 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 07:28:50,364 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-01-10 07:28:50,364 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 07:28:50,364 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 07:28:50,364 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 07:28:50,364 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 07:28:50,364 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-01-10 07:28:50,364 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-01-10 07:28:50,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-01-10 07:28:50,365 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 07:28:50,365 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 07:28:50,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 07:28:50,365 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-01-10 07:28:50,365 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 07:28:50,366 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 07:28:50,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 07:28:50,366 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 07:28:50,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 07:28:50,366 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 07:28:50,366 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-01-10 07:28:50,366 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/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 -> e42e84729022b725ebcfce66d0ece68757a1a9b385230356b4d45a24fc6b4ef2 [2025-01-10 07:28:50,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 07:28:50,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 07:28:50,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 07:28:50,679 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 07:28:50,680 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 07:28:50,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter2.c [2025-01-10 07:28:52,079 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/435789e58/7648aafb535b471d87290b4a2566a526/FLAG6e60d78a8 [2025-01-10 07:28:52,344 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 07:28:52,345 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2.c [2025-01-10 07:28:52,351 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/435789e58/7648aafb535b471d87290b4a2566a526/FLAG6e60d78a8 [2025-01-10 07:28:52,363 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/435789e58/7648aafb535b471d87290b4a2566a526 [2025-01-10 07:28:52,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 07:28:52,366 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 07:28:52,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 07:28:52,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 07:28:52,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 07:28:52,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:28:52" (1/1) ... [2025-01-10 07:28:52,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dc53fd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:52, skipping insertion in model container [2025-01-10 07:28:52,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:28:52" (1/1) ... [2025-01-10 07:28:52,385 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 07:28:52,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:28:52,522 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 07:28:52,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:28:52,546 INFO L204 MainTranslator]: Completed translation [2025-01-10 07:28:52,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:52 WrapperNode [2025-01-10 07:28:52,547 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 07:28:52,548 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 07:28:52,548 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 07:28:52,548 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 07:28:52,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:52" (1/1) ... [2025-01-10 07:28:52,560 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:52" (1/1) ... [2025-01-10 07:28:52,577 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 59 [2025-01-10 07:28:52,577 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 07:28:52,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 07:28:52,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 07:28:52,579 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 07:28:52,587 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:52" (1/1) ... [2025-01-10 07:28:52,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:52" (1/1) ... [2025-01-10 07:28:52,588 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:52" (1/1) ... [2025-01-10 07:28:52,601 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]. [2025-01-10 07:28:52,601 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:52" (1/1) ... [2025-01-10 07:28:52,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:52" (1/1) ... [2025-01-10 07:28:52,610 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:52" (1/1) ... [2025-01-10 07:28:52,610 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:52" (1/1) ... [2025-01-10 07:28:52,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:52" (1/1) ... [2025-01-10 07:28:52,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:52" (1/1) ... [2025-01-10 07:28:52,618 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:52" (1/1) ... [2025-01-10 07:28:52,619 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 07:28:52,620 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 07:28:52,620 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 07:28:52,620 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 07:28:52,621 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:52" (1/1) ... [2025-01-10 07:28:52,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:28:52,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:28:52,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:28:52,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-01-10 07:28:52,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 07:28:52,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 07:28:52,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 07:28:52,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 07:28:52,725 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 07:28:52,727 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 07:28:52,862 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-01-10 07:28:52,862 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 07:28:52,874 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 07:28:52,876 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 07:28:52,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:28:52 BoogieIcfgContainer [2025-01-10 07:28:52,876 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 07:28:52,877 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-01-10 07:28:52,877 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-01-10 07:28:52,882 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-01-10 07:28:52,883 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:28:52,883 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.01 07:28:52" (1/3) ... [2025-01-10 07:28:52,884 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b540157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:28:52, skipping insertion in model container [2025-01-10 07:28:52,884 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:28:52,884 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:52" (2/3) ... [2025-01-10 07:28:52,885 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b540157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:28:52, skipping insertion in model container [2025-01-10 07:28:52,885 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:28:52,885 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:28:52" (3/3) ... [2025-01-10 07:28:52,886 INFO L363 chiAutomizerObserver]: Analyzing ICFG filter2.c [2025-01-10 07:28:52,940 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-01-10 07:28:52,940 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-01-10 07:28:52,940 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-01-10 07:28:52,940 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-01-10 07:28:52,940 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-01-10 07:28:52,941 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-01-10 07:28:52,941 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-01-10 07:28:52,941 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-01-10 07:28:52,946 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 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) [2025-01-10 07:28:52,959 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2025-01-10 07:28:52,960 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:28:52,960 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:28:52,964 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-01-10 07:28:52,964 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2025-01-10 07:28:52,964 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-01-10 07:28:52,965 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 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) [2025-01-10 07:28:52,967 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2025-01-10 07:28:52,967 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:28:52,967 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:28:52,968 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-01-10 07:28:52,968 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2025-01-10 07:28:52,974 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~post7#1, main_~E~0#1, main_~E0~0#1, main_~E1~0#1, main_~S0~0#1, main_~S1~0#1, main_~S~0#1, main_~i~0#1;havoc main_~E~0#1;havoc main_~E0~0#1;havoc main_~E1~0#1;havoc main_~S0~0#1;havoc main_~S1~0#1;havoc main_~S~0#1;havoc main_~i~0#1;havoc main_#t~nondet4#1;main_~E~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;main_~E0~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~someBinaryDOUBLEComparisonOperation(main_~E~0#1, 0.0) && ~someBinaryDOUBLEComparisonOperation(main_~E~0#1, 1.0) then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1;" "assume !(0 == assume_abort_if_not_~cond#1);" "havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~someBinaryDOUBLEComparisonOperation(main_~E0~0#1, 0.0) && ~someBinaryDOUBLEComparisonOperation(main_~E0~0#1, 1.0) then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1;" "assume !(0 == assume_abort_if_not_~cond#1);" "havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;main_~S0~0#1 := ~convertINTToDOUBLE(0);main_~S~0#1 := ~convertINTToDOUBLE(0);main_~i~0#1 := 0;" [2025-01-10 07:28:52,975 INFO L754 eck$LassoCheckResult]: Loop: "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;" "assume 0 == assume_abort_if_not_~cond#1;assume false;" "havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;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;" "assume !(0 == __VERIFIER_assert_~cond#1);" "havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post7#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;" [2025-01-10 07:28:52,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:28:52,980 INFO L85 PathProgramCache]: Analyzing trace with hash 889568359, now seen corresponding path program 1 times [2025-01-10 07:28:52,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:28:52,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477509757] [2025-01-10 07:28:52,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:28:52,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:28:53,047 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 07:28:53,072 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 07:28:53,075 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:28:53,075 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:28:53,075 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:28:53,081 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 07:28:53,092 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 07:28:53,096 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:28:53,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:28:53,116 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:28:53,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:28:53,119 INFO L85 PathProgramCache]: Analyzing trace with hash 47811866, now seen corresponding path program 1 times [2025-01-10 07:28:53,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:28:53,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995528339] [2025-01-10 07:28:53,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:28:53,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:28:53,129 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 07:28:53,134 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 07:28:53,134 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:28:53,134 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:28:53,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:28:53,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:28:53,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995528339] [2025-01-10 07:28:53,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995528339] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 07:28:53,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 07:28:53,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 07:28:53,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444685439] [2025-01-10 07:28:53,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 07:28:53,175 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-01-10 07:28:53,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:28:53,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 07:28:53,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 07:28:53,204 INFO L87 Difference]: Start difference. First operand has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 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) [2025-01-10 07:28:53,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:28:53,207 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2025-01-10 07:28:53,208 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 15 transitions. [2025-01-10 07:28:53,209 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2025-01-10 07:28:53,213 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 11 states and 11 transitions. [2025-01-10 07:28:53,214 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2025-01-10 07:28:53,215 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2025-01-10 07:28:53,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 11 transitions. [2025-01-10 07:28:53,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 07:28:53,215 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 11 transitions. [2025-01-10 07:28:53,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 11 transitions. [2025-01-10 07:28:53,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2025-01-10 07:28:53,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.0) internal successors, (11), 10 states have internal predecessors, (11), 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) [2025-01-10 07:28:53,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2025-01-10 07:28:53,235 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 11 transitions. [2025-01-10 07:28:53,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 07:28:53,239 INFO L432 stractBuchiCegarLoop]: Abstraction has 11 states and 11 transitions. [2025-01-10 07:28:53,241 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-01-10 07:28:53,242 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 11 transitions. [2025-01-10 07:28:53,243 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2025-01-10 07:28:53,244 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:28:53,244 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:28:53,244 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-01-10 07:28:53,244 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2025-01-10 07:28:53,245 INFO L752 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(10, 2);call #Ultimate.allocInit(12, 3);" "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~post7#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;" "assume !(0 == assume_abort_if_not_~cond#1);" "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;" "assume !(0 == assume_abort_if_not_~cond#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;" [2025-01-10 07:28:53,245 INFO L754 eck$LassoCheckResult]: Loop: "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;" "assume !(0 == assume_abort_if_not_~cond#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_~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;" "assume !(0 == __VERIFIER_assert_~cond#1);" "havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post7#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;" [2025-01-10 07:28:53,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:28:53,246 INFO L85 PathProgramCache]: Analyzing trace with hash 889568359, now seen corresponding path program 2 times [2025-01-10 07:28:53,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:28:53,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676655473] [2025-01-10 07:28:53,247 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:28:53,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:28:53,257 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 6 statements into 1 equivalence classes. [2025-01-10 07:28:53,265 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 07:28:53,265 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 07:28:53,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:28:53,265 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:28:53,271 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 07:28:53,280 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 07:28:53,284 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:28:53,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:28:53,286 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:28:53,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:28:53,289 INFO L85 PathProgramCache]: Analyzing trace with hash 47871448, now seen corresponding path program 1 times [2025-01-10 07:28:53,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:28:53,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331800372] [2025-01-10 07:28:53,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:28:53,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:28:53,296 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 07:28:53,303 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 07:28:53,306 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:28:53,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:28:53,306 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:28:53,309 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 07:28:53,313 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 07:28:53,313 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:28:53,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:28:53,320 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:28:53,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:28:53,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1508341454, now seen corresponding path program 1 times [2025-01-10 07:28:53,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:28:53,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122065471] [2025-01-10 07:28:53,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:28:53,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:28:53,330 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-10 07:28:53,339 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-10 07:28:53,340 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:28:53,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:28:53,340 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:28:53,343 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-10 07:28:53,356 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-10 07:28:53,356 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:28:53,356 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:28:53,360 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:28:53,521 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:28:53,524 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:28:53,525 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:28:53,525 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:28:53,525 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-01-10 07:28:53,525 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:28:53,525 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:28:53,525 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:28:53,525 INFO L132 ssoRankerPreferences]: Filename of dumped script: filter2.c_Iteration2_Loop [2025-01-10 07:28:53,525 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:28:53,525 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:28:53,537 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:28:53,554 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:28:53,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:28:53,562 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:28:53,566 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:28:53,571 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:28:53,575 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:28:53,579 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:28:53,584 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:28:53,659 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:28:53,660 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-01-10 07:28:53,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:28:53,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:28:53,663 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:28:53,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-01-10 07:28:53,666 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:28:53,666 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:28:53,685 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2025-01-10 07:28:53,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:28:53,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:28:53,687 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:28:53,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-01-10 07:28:53,690 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-01-10 07:28:53,690 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:28:53,717 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-01-10 07:28:53,721 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-01-10 07:28:53,722 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:28:53,722 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:28:53,722 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:28:53,722 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:28:53,722 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-01-10 07:28:53,722 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:28:53,722 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:28:53,722 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:28:53,722 INFO L132 ssoRankerPreferences]: Filename of dumped script: filter2.c_Iteration2_Loop [2025-01-10 07:28:53,722 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:28:53,722 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:28:53,723 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:28:53,727 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:28:53,737 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:28:53,742 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:28:53,746 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:28:53,750 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:28:53,753 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:28:53,757 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:28:53,760 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:28:53,820 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:28:53,824 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-01-10 07:28:53,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:28:53,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:28:53,827 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:28:53,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-01-10 07:28:53,831 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 [2025-01-10 07:28:53,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:28:53,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:28:53,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:28:53,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:28:53,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:28:53,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:28:53,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:28:53,856 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:28:53,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2025-01-10 07:28:53,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:28:53,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:28:53,867 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:28:53,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-01-10 07:28:53,870 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 [2025-01-10 07:28:53,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:28:53,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:28:53,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:28:53,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:28:53,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:28:53,885 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:28:53,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:28:53,888 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-01-10 07:28:53,893 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-01-10 07:28:53,895 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-01-10 07:28:53,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:28:53,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:28:53,900 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:28:53,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-01-10 07:28:53,914 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-01-10 07:28:53,914 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-01-10 07:28:53,914 INFO L474 LassoAnalysis]: Proved termination. [2025-01-10 07:28:53,915 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 [] [2025-01-10 07:28:53,922 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-01-10 07:28:53,925 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-01-10 07:28:53,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:28:53,964 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 07:28:53,971 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 07:28:53,971 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:28:53,971 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:28:53,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 07:28:53,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:28:53,993 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 07:28:53,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 07:28:53,998 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:28:53,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:28:53,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 07:28:54,000 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:28:54,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:28:54,053 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 [2025-01-10 07:28:54,054 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 11 transitions. cyclomatic complexity: 1 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2025-01-10 07:28:54,091 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 11 transitions. cyclomatic complexity: 1. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 16 states and 17 transitions. Complement of second has 4 states. [2025-01-10 07:28:54,092 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 [2025-01-10 07:28:54,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2025-01-10 07:28:54,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2025-01-10 07:28:54,098 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 6 letters. Loop has 5 letters. [2025-01-10 07:28:54,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:28:54,101 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 11 letters. Loop has 5 letters. [2025-01-10 07:28:54,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:28:54,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 6 letters. Loop has 10 letters. [2025-01-10 07:28:54,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:28:54,102 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 17 transitions. [2025-01-10 07:28:54,103 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-01-10 07:28:54,103 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2025-01-10 07:28:54,103 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-01-10 07:28:54,103 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-01-10 07:28:54,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-01-10 07:28:54,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 07:28:54,103 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 07:28:54,103 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 07:28:54,103 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 07:28:54,103 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-01-10 07:28:54,103 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-01-10 07:28:54,103 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-01-10 07:28:54,104 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-01-10 07:28:54,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.01 07:28:54 BoogieIcfgContainer [2025-01-10 07:28:54,118 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-01-10 07:28:54,119 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 07:28:54,119 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 07:28:54,119 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 07:28:54,119 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:28:52" (3/4) ... [2025-01-10 07:28:54,122 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-10 07:28:54,123 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 07:28:54,124 INFO L158 Benchmark]: Toolchain (without parser) took 1757.45ms. Allocated memory is still 142.6MB. Free memory was 111.3MB in the beginning and 98.8MB in the end (delta: 12.5MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2025-01-10 07:28:54,125 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 131.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:28:54,125 INFO L158 Benchmark]: CACSL2BoogieTranslator took 179.62ms. Allocated memory is still 142.6MB. Free memory was 110.4MB in the beginning and 99.6MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 07:28:54,125 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.73ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 99.0MB in the end (delta: 560.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:28:54,126 INFO L158 Benchmark]: Boogie Preprocessor took 40.38ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 97.3MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 07:28:54,127 INFO L158 Benchmark]: RCFGBuilder took 256.28ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 87.1MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 07:28:54,127 INFO L158 Benchmark]: BuchiAutomizer took 1240.85ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 98.9MB in the end (delta: -11.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:28:54,128 INFO L158 Benchmark]: Witness Printer took 4.35ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 98.8MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:28:54,129 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 131.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 179.62ms. Allocated memory is still 142.6MB. Free memory was 110.4MB in the beginning and 99.6MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.73ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 99.0MB in the end (delta: 560.6kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.38ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 97.3MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 256.28ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 87.1MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1240.85ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 98.9MB in the end (delta: -11.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.35ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 98.8MB in the end (delta: 41.6kB). 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 1.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. 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, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 24 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: 31ms 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! [2025-01-10 07:28:54,143 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-01-10 07:28:54,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE