./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-invgen/heapsort.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loop-invgen/heapsort.i -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 8e7c8e5dc2a9e8f11b25d1bb9948f05f37b9553e3dc9f8bd8213088dea43cb37 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:34:02,916 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:34:02,966 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:34:02,970 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:34:02,971 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:34:02,971 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:34:02,994 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:34:02,994 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:34:02,994 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:34:02,997 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:34:02,997 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:34:02,998 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:34:02,998 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:34:02,998 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:34:02,998 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:34:02,999 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:34:02,999 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:34:02,999 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:34:02,999 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:34:02,999 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:34:02,999 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:34:03,000 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:34:03,000 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:34:03,000 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:34:03,000 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:34:03,000 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:34:03,001 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:34:03,001 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:34:03,001 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:34:03,001 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:34:03,001 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:34:03,001 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:34:03,002 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:34:03,002 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:34:03,002 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:34:03,002 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:34:03,002 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:34:03,003 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:34:03,003 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:34:03,003 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:34:03,003 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e7c8e5dc2a9e8f11b25d1bb9948f05f37b9553e3dc9f8bd8213088dea43cb37 [2024-11-17 08:34:03,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:34:03,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:34:03,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:34:03,208 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:34:03,209 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:34:03,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/heapsort.i [2024-11-17 08:34:04,416 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:34:04,549 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:34:04,549 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/heapsort.i [2024-11-17 08:34:04,555 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2883ee31f/fc91567de83a4faf80546065d91ed3a5/FLAGb55653894 [2024-11-17 08:34:04,565 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2883ee31f/fc91567de83a4faf80546065d91ed3a5 [2024-11-17 08:34:04,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:34:04,568 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:34:04,570 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:34:04,570 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:34:04,574 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:34:04,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:34:04" (1/1) ... [2024-11-17 08:34:04,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50416d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:04, skipping insertion in model container [2024-11-17 08:34:04,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:34:04" (1/1) ... [2024-11-17 08:34:04,590 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:34:04,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:34:04,765 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:34:04,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:34:04,791 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:34:04,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:04 WrapperNode [2024-11-17 08:34:04,792 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:34:04,793 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:34:04,793 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:34:04,793 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:34:04,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:04" (1/1) ... [2024-11-17 08:34:04,803 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:04" (1/1) ... [2024-11-17 08:34:04,818 INFO L138 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 17, calls inlined = 30, statements flattened = 185 [2024-11-17 08:34:04,819 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:34:04,819 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:34:04,819 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:34:04,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:34:04,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:04" (1/1) ... [2024-11-17 08:34:04,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:04" (1/1) ... [2024-11-17 08:34:04,829 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:04" (1/1) ... [2024-11-17 08:34:04,844 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]. [2024-11-17 08:34:04,844 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:04" (1/1) ... [2024-11-17 08:34:04,844 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:04" (1/1) ... [2024-11-17 08:34:04,861 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:04" (1/1) ... [2024-11-17 08:34:04,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:04" (1/1) ... [2024-11-17 08:34:04,864 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:04" (1/1) ... [2024-11-17 08:34:04,868 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:04" (1/1) ... [2024-11-17 08:34:04,869 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:34:04,870 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:34:04,870 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:34:04,870 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:34:04,871 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:04" (1/1) ... [2024-11-17 08:34:04,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:04,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:04,926 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) [2024-11-17 08:34:04,928 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 [2024-11-17 08:34:04,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:34:04,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:34:04,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:34:04,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:34:05,010 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:34:05,012 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:34:05,230 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-17 08:34:05,231 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:34:05,243 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:34:05,244 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:34:05,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:34:05 BoogieIcfgContainer [2024-11-17 08:34:05,245 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:34:05,246 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:34:05,246 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:34:05,249 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:34:05,251 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:34:05,251 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:34:04" (1/3) ... [2024-11-17 08:34:05,252 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7285196a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:34:05, skipping insertion in model container [2024-11-17 08:34:05,252 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:34:05,252 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:34:04" (2/3) ... [2024-11-17 08:34:05,253 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7285196a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:34:05, skipping insertion in model container [2024-11-17 08:34:05,253 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:34:05,253 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:34:05" (3/3) ... [2024-11-17 08:34:05,254 INFO L332 chiAutomizerObserver]: Analyzing ICFG heapsort.i [2024-11-17 08:34:05,296 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:34:05,296 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:34:05,297 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:34:05,297 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:34:05,297 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:34:05,297 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:34:05,297 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:34:05,297 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:34:05,301 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 87 states, 86 states have (on average 1.441860465116279) internal successors, (124), 86 states have internal predecessors, (124), 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) [2024-11-17 08:34:05,313 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 79 [2024-11-17 08:34:05,314 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:34:05,314 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:34:05,318 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-17 08:34:05,318 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:34:05,319 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:34:05,319 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 87 states, 86 states have (on average 1.441860465116279) internal successors, (124), 86 states have internal predecessors, (124), 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) [2024-11-17 08:34:05,324 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 79 [2024-11-17 08:34:05,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:34:05,324 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:34:05,325 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-17 08:34:05,325 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:34:05,330 INFO L745 eck$LassoCheckResult]: Stem: 67#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 30#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 85#L27-1true assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 3#L30true assume !(main_~l~0#1 > 1);main_#t~post3#1 := main_~r~0#1;main_~r~0#1 := main_#t~post3#1 - 1;havoc main_#t~post3#1; 64#L35true [2024-11-17 08:34:05,330 INFO L747 eck$LassoCheckResult]: Loop: 64#L35true assume true; 52#L35-1true assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 81#L38true assume !true; 46#L59true assume main_~l~0#1 > 1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~l~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 68#L18-1true assume !(0 == __VERIFIER_assert_~cond#1); 62#L21-1true assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~l~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 29#L18true assume !(0 == __VERIFIER_assert_~cond#1); 32#L21true assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post6#1 := main_~l~0#1;main_~l~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 64#L35true [2024-11-17 08:34:05,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:05,334 INFO L85 PathProgramCache]: Analyzing trace with hash 5355387, now seen corresponding path program 1 times [2024-11-17 08:34:05,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:05,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957429877] [2024-11-17 08:34:05,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:05,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:05,417 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:34:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:05,440 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:34:05,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:05,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1291056228, now seen corresponding path program 1 times [2024-11-17 08:34:05,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:05,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23588703] [2024-11-17 08:34:05,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:05,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:34:05,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:34:05,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:34:05,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23588703] [2024-11-17 08:34:05,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23588703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:34:05,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:34:05,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 08:34:05,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781790053] [2024-11-17 08:34:05,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:34:05,485 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:34:05,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:34:05,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 08:34:05,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 08:34:05,511 INFO L87 Difference]: Start difference. First operand has 87 states, 86 states have (on average 1.441860465116279) internal successors, (124), 86 states have internal predecessors, (124), 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) [2024-11-17 08:34:05,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:34:05,519 INFO L93 Difference]: Finished difference Result 73 states and 80 transitions. [2024-11-17 08:34:05,520 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 80 transitions. [2024-11-17 08:34:05,521 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 37 [2024-11-17 08:34:05,524 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 41 states and 47 transitions. [2024-11-17 08:34:05,524 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2024-11-17 08:34:05,525 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2024-11-17 08:34:05,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 47 transitions. [2024-11-17 08:34:05,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:34:05,525 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 47 transitions. [2024-11-17 08:34:05,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 47 transitions. [2024-11-17 08:34:05,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-11-17 08:34:05,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.146341463414634) internal successors, (47), 40 states have internal predecessors, (47), 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) [2024-11-17 08:34:05,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 47 transitions. [2024-11-17 08:34:05,545 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 47 transitions. [2024-11-17 08:34:05,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 08:34:05,548 INFO L425 stractBuchiCegarLoop]: Abstraction has 41 states and 47 transitions. [2024-11-17 08:34:05,548 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:34:05,549 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 47 transitions. [2024-11-17 08:34:05,549 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 37 [2024-11-17 08:34:05,549 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:34:05,549 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:34:05,550 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-17 08:34:05,550 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:34:05,550 INFO L745 eck$LassoCheckResult]: Stem: 202#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 203#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 208#L27-1 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 168#L30 assume !(main_~l~0#1 > 1);main_#t~post3#1 := main_~r~0#1;main_~r~0#1 := main_#t~post3#1 - 1;havoc main_#t~post3#1; 169#L35 [2024-11-17 08:34:05,550 INFO L747 eck$LassoCheckResult]: Loop: 169#L35 assume true; 183#L35-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 184#L38 assume true; 204#L38-1 assume !(main_~j~0#1 <= main_~r~0#1); 175#L59 assume main_~l~0#1 > 1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~l~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 176#L18-1 assume !(0 == __VERIFIER_assert_~cond#1); 197#L21-1 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~l~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 198#L18 assume !(0 == __VERIFIER_assert_~cond#1); 206#L21 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post6#1 := main_~l~0#1;main_~l~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 169#L35 [2024-11-17 08:34:05,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:05,550 INFO L85 PathProgramCache]: Analyzing trace with hash 5355387, now seen corresponding path program 2 times [2024-11-17 08:34:05,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:05,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807802196] [2024-11-17 08:34:05,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:05,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:05,559 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:34:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:05,568 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:34:05,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:05,568 INFO L85 PathProgramCache]: Analyzing trace with hash -749981177, now seen corresponding path program 1 times [2024-11-17 08:34:05,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:05,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552418447] [2024-11-17 08:34:05,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:05,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:05,577 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:34:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:05,589 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:34:05,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:05,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1996995635, now seen corresponding path program 1 times [2024-11-17 08:34:05,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:05,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856329924] [2024-11-17 08:34:05,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:05,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:34:05,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:34:05,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:34:05,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856329924] [2024-11-17 08:34:05,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856329924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:34:05,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:34:05,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 08:34:05,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106549211] [2024-11-17 08:34:05,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:34:05,787 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:34:05,787 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:34:05,787 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:34:05,787 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:34:05,787 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-17 08:34:05,788 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:05,788 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:34:05,788 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:34:05,788 INFO L132 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration2_Loop [2024-11-17 08:34:05,788 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:34:05,788 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:34:05,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:05,816 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:05,820 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:05,824 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:05,827 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:05,874 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:34:05,874 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-17 08:34:05,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:05,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:05,877 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) [2024-11-17 08:34:05,879 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 [2024-11-17 08:34:05,881 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:34:05,881 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:05,909 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 [2024-11-17 08:34:05,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:05,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:05,910 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) [2024-11-17 08:34:05,912 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 [2024-11-17 08:34:05,912 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-17 08:34:05,912 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:06,030 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-17 08:34:06,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:06,037 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:34:06,038 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:34:06,038 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:34:06,038 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:34:06,038 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-17 08:34:06,038 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:06,038 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:34:06,038 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:34:06,038 INFO L132 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration2_Loop [2024-11-17 08:34:06,038 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:34:06,038 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:34:06,039 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:06,043 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:06,046 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:06,060 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:06,062 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:06,099 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:34:06,103 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-17 08:34:06,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:06,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:06,106 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) [2024-11-17 08:34:06,107 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 [2024-11-17 08:34:06,112 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 [2024-11-17 08:34:06,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:34:06,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:34:06,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:34:06,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:34:06,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:34:06,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:34:06,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:34:06,128 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:34:06,139 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 [2024-11-17 08:34:06,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:06,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:06,141 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) [2024-11-17 08:34:06,142 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 [2024-11-17 08:34:06,143 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 [2024-11-17 08:34:06,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:34:06,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:34:06,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:34:06,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:34:06,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:34:06,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:34:06,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:34:06,156 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:34:06,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:06,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:06,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:06,168 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) [2024-11-17 08:34:06,169 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 [2024-11-17 08:34:06,170 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 [2024-11-17 08:34:06,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:34:06,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:34:06,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:34:06,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:34:06,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:34:06,181 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:34:06,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:34:06,183 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-17 08:34:06,189 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-17 08:34:06,189 INFO L444 ModelExtractionUtils]: 3 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-17 08:34:06,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:06,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:06,288 INFO L229 MonitoredProcess]: Starting monitored process 7 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) [2024-11-17 08:34:06,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-17 08:34:06,291 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-17 08:34:06,291 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-17 08:34:06,291 INFO L474 LassoAnalysis]: Proved termination. [2024-11-17 08:34:06,292 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~l~0#1) = 1*ULTIMATE.start_main_~l~0#1 Supporting invariants [] [2024-11-17 08:34:06,302 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 [2024-11-17 08:34:06,304 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-17 08:34:06,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:34:06,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 08:34:06,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:34:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:34:06,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 08:34:06,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:34:06,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:34:06,387 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 [2024-11-17 08:34:06,389 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 47 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-17 08:34:06,439 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 47 transitions. cyclomatic complexity: 7. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 118 states and 135 transitions. Complement of second has 6 states. [2024-11-17 08:34:06,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-17 08:34:06,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-17 08:34:06,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 90 transitions. [2024-11-17 08:34:06,442 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 90 transitions. Stem has 4 letters. Loop has 9 letters. [2024-11-17 08:34:06,443 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:34:06,443 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 90 transitions. Stem has 13 letters. Loop has 9 letters. [2024-11-17 08:34:06,443 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:34:06,443 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 90 transitions. Stem has 4 letters. Loop has 18 letters. [2024-11-17 08:34:06,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:34:06,444 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 118 states and 135 transitions. [2024-11-17 08:34:06,445 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2024-11-17 08:34:06,446 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 118 states to 114 states and 131 transitions. [2024-11-17 08:34:06,446 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 75 [2024-11-17 08:34:06,447 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 76 [2024-11-17 08:34:06,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 114 states and 131 transitions. [2024-11-17 08:34:06,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-17 08:34:06,447 INFO L218 hiAutomatonCegarLoop]: Abstraction has 114 states and 131 transitions. [2024-11-17 08:34:06,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states and 131 transitions. [2024-11-17 08:34:06,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 113. [2024-11-17 08:34:06,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 113 states have (on average 1.1504424778761062) internal successors, (130), 112 states have internal predecessors, (130), 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) [2024-11-17 08:34:06,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions. [2024-11-17 08:34:06,452 INFO L240 hiAutomatonCegarLoop]: Abstraction has 113 states and 130 transitions. [2024-11-17 08:34:06,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:34:06,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:34:06,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:34:06,452 INFO L87 Difference]: Start difference. First operand 113 states and 130 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-11-17 08:34:06,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:34:06,468 INFO L93 Difference]: Finished difference Result 137 states and 156 transitions. [2024-11-17 08:34:06,468 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 137 states and 156 transitions. [2024-11-17 08:34:06,470 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 99 [2024-11-17 08:34:06,471 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 137 states to 104 states and 118 transitions. [2024-11-17 08:34:06,471 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 104 [2024-11-17 08:34:06,471 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 104 [2024-11-17 08:34:06,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 104 states and 118 transitions. [2024-11-17 08:34:06,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:34:06,472 INFO L218 hiAutomatonCegarLoop]: Abstraction has 104 states and 118 transitions. [2024-11-17 08:34:06,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states and 118 transitions. [2024-11-17 08:34:06,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 70. [2024-11-17 08:34:06,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 70 states have (on average 1.1428571428571428) internal successors, (80), 69 states have internal predecessors, (80), 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) [2024-11-17 08:34:06,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 80 transitions. [2024-11-17 08:34:06,475 INFO L240 hiAutomatonCegarLoop]: Abstraction has 70 states and 80 transitions. [2024-11-17 08:34:06,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:34:06,476 INFO L425 stractBuchiCegarLoop]: Abstraction has 70 states and 80 transitions. [2024-11-17 08:34:06,476 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:34:06,476 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states and 80 transitions. [2024-11-17 08:34:06,476 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2024-11-17 08:34:06,476 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:34:06,477 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:34:06,477 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-17 08:34:06,477 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:34:06,480 INFO L745 eck$LassoCheckResult]: Stem: 675#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 676#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 680#L27-1 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 641#L30 assume main_~l~0#1 > 1;main_#t~post2#1 := main_~l~0#1;main_~l~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 642#L35 [2024-11-17 08:34:06,480 INFO L747 eck$LassoCheckResult]: Loop: 642#L35 assume true; 689#L35-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 687#L38 assume true; 684#L38-1 assume !(main_~j~0#1 <= main_~r~0#1); 681#L59 assume main_~l~0#1 > 1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~l~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 674#L18-1 assume !(0 == __VERIFIER_assert_~cond#1); 668#L21-1 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~l~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 669#L18 assume !(0 == __VERIFIER_assert_~cond#1); 678#L21 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post6#1 := main_~l~0#1;main_~l~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 642#L35 [2024-11-17 08:34:06,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:06,481 INFO L85 PathProgramCache]: Analyzing trace with hash 5355386, now seen corresponding path program 1 times [2024-11-17 08:34:06,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:06,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210736469] [2024-11-17 08:34:06,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:06,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:06,499 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:34:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:06,508 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:34:06,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:06,508 INFO L85 PathProgramCache]: Analyzing trace with hash -749981177, now seen corresponding path program 2 times [2024-11-17 08:34:06,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:06,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007185753] [2024-11-17 08:34:06,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:06,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:06,519 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:34:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:06,530 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:34:06,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:06,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1800482130, now seen corresponding path program 1 times [2024-11-17 08:34:06,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:06,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437005610] [2024-11-17 08:34:06,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:06,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:34:06,618 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-17 08:34:06,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:34:06,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:34:06,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437005610] [2024-11-17 08:34:06,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437005610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:34:06,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:34:06,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 08:34:06,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948001228] [2024-11-17 08:34:06,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:34:06,732 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:34:06,732 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:34:06,732 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:34:06,732 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:34:06,732 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-17 08:34:06,732 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:06,732 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:34:06,732 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:34:06,732 INFO L132 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration3_Loop [2024-11-17 08:34:06,733 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:34:06,733 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:34:06,733 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:06,735 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:06,737 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:06,738 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:06,747 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:06,781 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:34:06,781 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-17 08:34:06,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:06,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:06,783 INFO L229 MonitoredProcess]: Starting monitored process 8 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) [2024-11-17 08:34:06,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-17 08:34:06,786 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:34:06,786 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:06,797 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:34:06,797 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post6#1=0} Honda state: {ULTIMATE.start_main_#t~post6#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-17 08:34:06,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:06,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:06,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:06,808 INFO L229 MonitoredProcess]: Starting monitored process 9 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) [2024-11-17 08:34:06,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-17 08:34:06,810 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:34:06,810 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:06,820 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:34:06,820 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-17 08:34:06,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:06,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:06,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:06,832 INFO L229 MonitoredProcess]: Starting monitored process 10 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) [2024-11-17 08:34:06,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-17 08:34:06,833 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:34:06,833 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:06,843 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:34:06,844 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-17 08:34:06,853 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-17 08:34:06,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:06,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:06,854 INFO L229 MonitoredProcess]: Starting monitored process 11 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) [2024-11-17 08:34:06,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-17 08:34:06,856 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:34:06,857 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:06,878 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:06,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:06,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:06,879 INFO L229 MonitoredProcess]: Starting monitored process 12 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) [2024-11-17 08:34:06,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-17 08:34:06,887 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-17 08:34:06,887 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:06,995 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-17 08:34:07,000 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-17 08:34:07,000 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:34:07,000 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:34:07,000 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:34:07,001 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:34:07,001 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-17 08:34:07,001 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:07,001 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:34:07,001 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:34:07,001 INFO L132 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration3_Loop [2024-11-17 08:34:07,001 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:34:07,001 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:34:07,002 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:07,005 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:07,007 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:07,017 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:07,019 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:07,048 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:34:07,048 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-17 08:34:07,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:07,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:07,050 INFO L229 MonitoredProcess]: Starting monitored process 13 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) [2024-11-17 08:34:07,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-17 08:34:07,051 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 [2024-11-17 08:34:07,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:34:07,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:34:07,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:34:07,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:34:07,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:34:07,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:34:07,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:34:07,065 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:34:07,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-17 08:34:07,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:07,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:07,078 INFO L229 MonitoredProcess]: Starting monitored process 14 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) [2024-11-17 08:34:07,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-17 08:34:07,079 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 [2024-11-17 08:34:07,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:34:07,090 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:34:07,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:34:07,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:34:07,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:34:07,092 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:34:07,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:34:07,093 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:34:07,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:07,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:07,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:07,107 INFO L229 MonitoredProcess]: Starting monitored process 15 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) [2024-11-17 08:34:07,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-17 08:34:07,109 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 [2024-11-17 08:34:07,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:34:07,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:34:07,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:34:07,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:34:07,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:34:07,122 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:34:07,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:34:07,124 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-17 08:34:07,128 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-17 08:34:07,128 INFO L444 ModelExtractionUtils]: 3 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-17 08:34:07,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:07,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:07,129 INFO L229 MonitoredProcess]: Starting monitored process 16 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) [2024-11-17 08:34:07,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-17 08:34:07,131 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-17 08:34:07,131 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-17 08:34:07,131 INFO L474 LassoAnalysis]: Proved termination. [2024-11-17 08:34:07,131 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~l~0#1) = 1*ULTIMATE.start_main_~l~0#1 Supporting invariants [] [2024-11-17 08:34:07,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-17 08:34:07,145 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-17 08:34:07,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:34:07,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 08:34:07,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:34:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:34:07,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 08:34:07,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:34:07,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:34:07,227 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 [2024-11-17 08:34:07,227 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 70 states and 80 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-17 08:34:07,259 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 70 states and 80 transitions. cyclomatic complexity: 12. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 169 states and 193 transitions. Complement of second has 6 states. [2024-11-17 08:34:07,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-17 08:34:07,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-17 08:34:07,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 85 transitions. [2024-11-17 08:34:07,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 85 transitions. Stem has 4 letters. Loop has 9 letters. [2024-11-17 08:34:07,260 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:34:07,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 85 transitions. Stem has 13 letters. Loop has 9 letters. [2024-11-17 08:34:07,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:34:07,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 85 transitions. Stem has 4 letters. Loop has 18 letters. [2024-11-17 08:34:07,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:34:07,261 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 169 states and 193 transitions. [2024-11-17 08:34:07,265 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 92 [2024-11-17 08:34:07,267 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 169 states to 132 states and 151 transitions. [2024-11-17 08:34:07,267 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 98 [2024-11-17 08:34:07,267 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 99 [2024-11-17 08:34:07,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 132 states and 151 transitions. [2024-11-17 08:34:07,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-17 08:34:07,267 INFO L218 hiAutomatonCegarLoop]: Abstraction has 132 states and 151 transitions. [2024-11-17 08:34:07,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states and 151 transitions. [2024-11-17 08:34:07,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 71. [2024-11-17 08:34:07,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 71 states have (on average 1.1549295774647887) internal successors, (82), 70 states have internal predecessors, (82), 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) [2024-11-17 08:34:07,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 82 transitions. [2024-11-17 08:34:07,274 INFO L240 hiAutomatonCegarLoop]: Abstraction has 71 states and 82 transitions. [2024-11-17 08:34:07,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:34:07,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 08:34:07,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 08:34:07,275 INFO L87 Difference]: Start difference. First operand 71 states and 82 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) [2024-11-17 08:34:07,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:34:07,368 INFO L93 Difference]: Finished difference Result 148 states and 166 transitions. [2024-11-17 08:34:07,368 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 148 states and 166 transitions. [2024-11-17 08:34:07,369 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2024-11-17 08:34:07,369 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 148 states to 148 states and 166 transitions. [2024-11-17 08:34:07,369 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 92 [2024-11-17 08:34:07,370 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 92 [2024-11-17 08:34:07,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 148 states and 166 transitions. [2024-11-17 08:34:07,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-17 08:34:07,370 INFO L218 hiAutomatonCegarLoop]: Abstraction has 148 states and 166 transitions. [2024-11-17 08:34:07,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states and 166 transitions. [2024-11-17 08:34:07,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 76. [2024-11-17 08:34:07,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 76 states have (on average 1.144736842105263) internal successors, (87), 75 states have internal predecessors, (87), 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) [2024-11-17 08:34:07,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 87 transitions. [2024-11-17 08:34:07,373 INFO L240 hiAutomatonCegarLoop]: Abstraction has 76 states and 87 transitions. [2024-11-17 08:34:07,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 08:34:07,374 INFO L425 stractBuchiCegarLoop]: Abstraction has 76 states and 87 transitions. [2024-11-17 08:34:07,374 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-17 08:34:07,374 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 76 states and 87 transitions. [2024-11-17 08:34:07,374 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 33 [2024-11-17 08:34:07,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:34:07,374 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:34:07,374 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-17 08:34:07,375 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:34:07,375 INFO L745 eck$LassoCheckResult]: Stem: 1227#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 1228#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 1234#L27-1 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 1167#L30 assume !(main_~l~0#1 > 1);main_#t~post3#1 := main_~r~0#1;main_~r~0#1 := main_#t~post3#1 - 1;havoc main_#t~post3#1; 1169#L35 [2024-11-17 08:34:07,375 INFO L747 eck$LassoCheckResult]: Loop: 1169#L35 assume true; 1190#L35-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 1191#L38 assume true; 1235#L38-1 assume !(main_~j~0#1 <= main_~r~0#1); 1170#L59 assume !(main_~l~0#1 > 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~r~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1171#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 1204#L21-3 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~r~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1194#L18-2 assume !(0 == __VERIFIER_assert_~cond#1); 1195#L21-2 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post7#1 := main_~r~0#1;main_~r~0#1 := main_#t~post7#1 - 1;havoc main_#t~post7#1; 1169#L35 [2024-11-17 08:34:07,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:07,375 INFO L85 PathProgramCache]: Analyzing trace with hash 5355387, now seen corresponding path program 3 times [2024-11-17 08:34:07,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:07,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880313345] [2024-11-17 08:34:07,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:07,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:07,380 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:34:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:07,384 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:34:07,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:07,384 INFO L85 PathProgramCache]: Analyzing trace with hash -733757992, now seen corresponding path program 1 times [2024-11-17 08:34:07,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:07,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835962845] [2024-11-17 08:34:07,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:07,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:34:07,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:34:07,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:34:07,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835962845] [2024-11-17 08:34:07,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835962845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:34:07,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:34:07,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 08:34:07,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467398784] [2024-11-17 08:34:07,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:34:07,413 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:34:07,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:34:07,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 08:34:07,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 08:34:07,414 INFO L87 Difference]: Start difference. First operand 76 states and 87 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-17 08:34:07,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:34:07,470 INFO L93 Difference]: Finished difference Result 137 states and 154 transitions. [2024-11-17 08:34:07,470 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 137 states and 154 transitions. [2024-11-17 08:34:07,470 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 64 [2024-11-17 08:34:07,471 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 137 states to 136 states and 153 transitions. [2024-11-17 08:34:07,471 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 72 [2024-11-17 08:34:07,472 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 72 [2024-11-17 08:34:07,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 153 transitions. [2024-11-17 08:34:07,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-17 08:34:07,472 INFO L218 hiAutomatonCegarLoop]: Abstraction has 136 states and 153 transitions. [2024-11-17 08:34:07,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 153 transitions. [2024-11-17 08:34:07,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 75. [2024-11-17 08:34:07,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 75 states have (on average 1.1466666666666667) internal successors, (86), 74 states have internal predecessors, (86), 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) [2024-11-17 08:34:07,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 86 transitions. [2024-11-17 08:34:07,478 INFO L240 hiAutomatonCegarLoop]: Abstraction has 75 states and 86 transitions. [2024-11-17 08:34:07,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 08:34:07,479 INFO L425 stractBuchiCegarLoop]: Abstraction has 75 states and 86 transitions. [2024-11-17 08:34:07,481 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-17 08:34:07,481 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states and 86 transitions. [2024-11-17 08:34:07,481 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 35 [2024-11-17 08:34:07,481 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:34:07,481 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:34:07,482 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-17 08:34:07,482 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:34:07,482 INFO L745 eck$LassoCheckResult]: Stem: 1448#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 1449#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 1455#L27-1 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 1389#L30 assume !(main_~l~0#1 > 1);main_#t~post3#1 := main_~r~0#1;main_~r~0#1 := main_#t~post3#1 - 1;havoc main_#t~post3#1; 1391#L35 [2024-11-17 08:34:07,482 INFO L747 eck$LassoCheckResult]: Loop: 1391#L35 assume true; 1412#L35-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 1413#L38 assume true; 1446#L38-1 assume !!(main_~j~0#1 <= main_~r~0#1); 1442#L39 assume !(main_~j~0#1 < main_~r~0#1); 1385#L47 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1386#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 1439#L21-9 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1406#L18-8 assume !(0 == __VERIFIER_assert_~cond#1); 1407#L21-8 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 1426#L49 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; 1392#L59 assume !(main_~l~0#1 > 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~r~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1393#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 1430#L21-3 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~r~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1416#L18-2 assume !(0 == __VERIFIER_assert_~cond#1); 1417#L21-2 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post7#1 := main_~r~0#1;main_~r~0#1 := main_#t~post7#1 - 1;havoc main_#t~post7#1; 1391#L35 [2024-11-17 08:34:07,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:07,482 INFO L85 PathProgramCache]: Analyzing trace with hash 5355387, now seen corresponding path program 4 times [2024-11-17 08:34:07,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:07,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711704201] [2024-11-17 08:34:07,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:07,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:07,487 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:34:07,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:07,492 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:34:07,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:07,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1047466307, now seen corresponding path program 1 times [2024-11-17 08:34:07,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:07,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572604896] [2024-11-17 08:34:07,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:07,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:07,503 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:34:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:07,510 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:34:07,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:07,510 INFO L85 PathProgramCache]: Analyzing trace with hash -561483209, now seen corresponding path program 1 times [2024-11-17 08:34:07,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:07,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734716571] [2024-11-17 08:34:07,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:07,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:34:07,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:34:07,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:34:07,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734716571] [2024-11-17 08:34:07,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734716571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:34:07,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:34:07,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 08:34:07,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950235352] [2024-11-17 08:34:07,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:34:07,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:07,740 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:34:07,740 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:34:07,740 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:34:07,740 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:34:07,740 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-17 08:34:07,740 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:07,740 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:34:07,740 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:34:07,740 INFO L132 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration5_Loop [2024-11-17 08:34:07,740 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:34:07,741 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:34:07,741 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:07,747 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:07,756 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:07,757 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:07,759 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:07,806 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:34:07,806 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-17 08:34:07,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:07,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:07,808 INFO L229 MonitoredProcess]: Starting monitored process 17 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) [2024-11-17 08:34:07,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-17 08:34:07,810 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:34:07,810 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:07,823 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:34:07,823 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-17 08:34:07,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:07,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:07,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:07,835 INFO L229 MonitoredProcess]: Starting monitored process 18 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) [2024-11-17 08:34:07,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-17 08:34:07,837 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:34:07,837 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:07,862 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-17 08:34:07,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:07,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:07,863 INFO L229 MonitoredProcess]: Starting monitored process 19 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) [2024-11-17 08:34:07,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-17 08:34:07,866 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-17 08:34:07,867 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:07,899 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-17 08:34:07,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:07,903 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:34:07,903 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:34:07,904 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:34:07,904 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:34:07,904 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-17 08:34:07,904 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:07,904 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:34:07,904 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:34:07,904 INFO L132 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration5_Loop [2024-11-17 08:34:07,904 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:34:07,904 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:34:07,904 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:07,908 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:07,910 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:07,911 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:07,913 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:07,959 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:34:07,959 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-17 08:34:07,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:07,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:07,962 INFO L229 MonitoredProcess]: Starting monitored process 20 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) [2024-11-17 08:34:07,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-17 08:34:07,963 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 [2024-11-17 08:34:07,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:34:07,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:34:07,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:34:07,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:34:07,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:34:07,974 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:34:07,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:34:07,975 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:34:07,985 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-17 08:34:07,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:07,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:07,987 INFO L229 MonitoredProcess]: Starting monitored process 21 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) [2024-11-17 08:34:07,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-17 08:34:07,990 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 [2024-11-17 08:34:08,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:34:08,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:34:08,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:34:08,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:34:08,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:34:08,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:34:08,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:34:08,005 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:34:08,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-17 08:34:08,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:08,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:08,018 INFO L229 MonitoredProcess]: Starting monitored process 22 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) [2024-11-17 08:34:08,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-17 08:34:08,019 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 [2024-11-17 08:34:08,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:34:08,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:34:08,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:34:08,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:34:08,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:34:08,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:34:08,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:34:08,032 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:34:08,042 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-17 08:34:08,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:08,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:08,044 INFO L229 MonitoredProcess]: Starting monitored process 23 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) [2024-11-17 08:34:08,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-17 08:34:08,045 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 [2024-11-17 08:34:08,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:34:08,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:34:08,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:34:08,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:34:08,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:34:08,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:34:08,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:34:08,057 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:34:08,068 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-17 08:34:08,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:08,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:08,070 INFO L229 MonitoredProcess]: Starting monitored process 24 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) [2024-11-17 08:34:08,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-17 08:34:08,073 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 [2024-11-17 08:34:08,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:34:08,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:34:08,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:34:08,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:34:08,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:34:08,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:34:08,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:34:08,087 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-17 08:34:08,089 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-17 08:34:08,089 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-17 08:34:08,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:08,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:08,090 INFO L229 MonitoredProcess]: Starting monitored process 25 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) [2024-11-17 08:34:08,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-17 08:34:08,091 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-17 08:34:08,091 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-17 08:34:08,091 INFO L474 LassoAnalysis]: Proved termination. [2024-11-17 08:34:08,091 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~r~0#1) = 1*ULTIMATE.start_main_~r~0#1 Supporting invariants [] [2024-11-17 08:34:08,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:08,104 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-17 08:34:08,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:34:08,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 08:34:08,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:34:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:34:08,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 08:34:08,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:34:08,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:34:08,179 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 [2024-11-17 08:34:08,179 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 75 states and 86 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 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) [2024-11-17 08:34:08,206 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 75 states and 86 transitions. cyclomatic complexity: 13. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 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) Result 145 states and 165 transitions. Complement of second has 6 states. [2024-11-17 08:34:08,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-17 08:34:08,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 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) [2024-11-17 08:34:08,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 84 transitions. [2024-11-17 08:34:08,207 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 84 transitions. Stem has 4 letters. Loop has 16 letters. [2024-11-17 08:34:08,207 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:34:08,207 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 84 transitions. Stem has 20 letters. Loop has 16 letters. [2024-11-17 08:34:08,207 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:34:08,208 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 84 transitions. Stem has 4 letters. Loop has 32 letters. [2024-11-17 08:34:08,208 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:34:08,208 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 145 states and 165 transitions. [2024-11-17 08:34:08,208 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2024-11-17 08:34:08,209 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 145 states to 140 states and 159 transitions. [2024-11-17 08:34:08,209 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 69 [2024-11-17 08:34:08,209 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 70 [2024-11-17 08:34:08,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 140 states and 159 transitions. [2024-11-17 08:34:08,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-17 08:34:08,209 INFO L218 hiAutomatonCegarLoop]: Abstraction has 140 states and 159 transitions. [2024-11-17 08:34:08,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states and 159 transitions. [2024-11-17 08:34:08,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2024-11-17 08:34:08,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 138 states have (on average 1.1376811594202898) internal successors, (157), 137 states have internal predecessors, (157), 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) [2024-11-17 08:34:08,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 157 transitions. [2024-11-17 08:34:08,216 INFO L240 hiAutomatonCegarLoop]: Abstraction has 138 states and 157 transitions. [2024-11-17 08:34:08,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:34:08,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 08:34:08,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 08:34:08,216 INFO L87 Difference]: Start difference. First operand 138 states and 157 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 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) [2024-11-17 08:34:08,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:34:08,250 INFO L93 Difference]: Finished difference Result 78 states and 88 transitions. [2024-11-17 08:34:08,250 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 88 transitions. [2024-11-17 08:34:08,251 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 35 [2024-11-17 08:34:08,251 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 75 states and 85 transitions. [2024-11-17 08:34:08,251 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 40 [2024-11-17 08:34:08,251 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40 [2024-11-17 08:34:08,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 75 states and 85 transitions. [2024-11-17 08:34:08,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-17 08:34:08,251 INFO L218 hiAutomatonCegarLoop]: Abstraction has 75 states and 85 transitions. [2024-11-17 08:34:08,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states and 85 transitions. [2024-11-17 08:34:08,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-17 08:34:08,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 75 states have (on average 1.1333333333333333) internal successors, (85), 74 states have internal predecessors, (85), 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) [2024-11-17 08:34:08,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 85 transitions. [2024-11-17 08:34:08,253 INFO L240 hiAutomatonCegarLoop]: Abstraction has 75 states and 85 transitions. [2024-11-17 08:34:08,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 08:34:08,257 INFO L425 stractBuchiCegarLoop]: Abstraction has 75 states and 85 transitions. [2024-11-17 08:34:08,257 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-17 08:34:08,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states and 85 transitions. [2024-11-17 08:34:08,258 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 35 [2024-11-17 08:34:08,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:34:08,258 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:34:08,258 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-17 08:34:08,258 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:34:08,258 INFO L745 eck$LassoCheckResult]: Stem: 1966#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 1967#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 1973#L27-1 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 1905#L30 assume main_~l~0#1 > 1;main_#t~post2#1 := main_~l~0#1;main_~l~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 1906#L35 assume true; 1931#L35-1 [2024-11-17 08:34:08,258 INFO L747 eck$LassoCheckResult]: Loop: 1931#L35-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 1932#L38 assume true; 1968#L38-1 assume !!(main_~j~0#1 <= main_~r~0#1); 1960#L39 assume !(main_~j~0#1 < main_~r~0#1); 1907#L47 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1908#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 1964#L21-9 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1925#L18-8 assume !(0 == __VERIFIER_assert_~cond#1); 1926#L21-8 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 1945#L49 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; 1911#L59 assume !(main_~l~0#1 > 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~r~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1912#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 1949#L21-3 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~r~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1935#L18-2 assume !(0 == __VERIFIER_assert_~cond#1); 1936#L21-2 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post7#1 := main_~r~0#1;main_~r~0#1 := main_#t~post7#1 - 1;havoc main_#t~post7#1; 1956#L35 assume true; 1931#L35-1 [2024-11-17 08:34:08,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:08,259 INFO L85 PathProgramCache]: Analyzing trace with hash 166017100, now seen corresponding path program 1 times [2024-11-17 08:34:08,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:08,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565540151] [2024-11-17 08:34:08,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:08,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:08,263 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:34:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:08,266 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:34:08,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:08,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1011175227, now seen corresponding path program 2 times [2024-11-17 08:34:08,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:08,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818260480] [2024-11-17 08:34:08,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:08,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:08,272 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:34:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:08,278 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:34:08,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:08,278 INFO L85 PathProgramCache]: Analyzing trace with hash 770962192, now seen corresponding path program 1 times [2024-11-17 08:34:08,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:08,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081734000] [2024-11-17 08:34:08,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:08,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:08,289 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:34:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:08,299 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:34:08,403 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:34:08,403 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:34:08,403 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:34:08,403 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:34:08,403 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-17 08:34:08,403 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:08,403 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:34:08,403 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:34:08,403 INFO L132 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration6_Loop [2024-11-17 08:34:08,403 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:34:08,403 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:34:08,404 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:08,406 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:08,408 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:08,410 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:08,411 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:08,454 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:34:08,454 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-17 08:34:08,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:08,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:08,456 INFO L229 MonitoredProcess]: Starting monitored process 26 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) [2024-11-17 08:34:08,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-17 08:34:08,457 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:34:08,457 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:08,468 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:34:08,468 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-17 08:34:08,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:08,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:08,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:08,479 INFO L229 MonitoredProcess]: Starting monitored process 27 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) [2024-11-17 08:34:08,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-17 08:34:08,480 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:34:08,480 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:08,491 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:34:08,491 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post7#1=0} Honda state: {ULTIMATE.start_main_#t~post7#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-17 08:34:08,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:08,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:08,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:08,502 INFO L229 MonitoredProcess]: Starting monitored process 28 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) [2024-11-17 08:34:08,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-17 08:34:08,503 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:34:08,503 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:08,513 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:34:08,513 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-17 08:34:08,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:08,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:08,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:08,524 INFO L229 MonitoredProcess]: Starting monitored process 29 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) [2024-11-17 08:34:08,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-17 08:34:08,525 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:34:08,525 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:08,536 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:34:08,536 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-17 08:34:08,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:08,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:08,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:08,547 INFO L229 MonitoredProcess]: Starting monitored process 30 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) [2024-11-17 08:34:08,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-17 08:34:08,548 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:34:08,548 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:08,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-17 08:34:08,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:08,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:08,571 INFO L229 MonitoredProcess]: Starting monitored process 31 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) [2024-11-17 08:34:08,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-17 08:34:08,573 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-17 08:34:08,573 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:08,605 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-17 08:34:08,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:08,609 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:34:08,609 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:34:08,610 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:34:08,610 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:34:08,610 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-17 08:34:08,610 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:08,610 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:34:08,610 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:34:08,610 INFO L132 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration6_Loop [2024-11-17 08:34:08,610 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:34:08,610 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:34:08,611 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:08,613 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:08,614 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:08,624 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:08,626 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:08,661 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:34:08,661 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-17 08:34:08,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:08,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:08,662 INFO L229 MonitoredProcess]: Starting monitored process 32 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) [2024-11-17 08:34:08,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-17 08:34:08,663 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 [2024-11-17 08:34:08,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:34:08,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:34:08,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:34:08,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:34:08,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:34:08,674 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:34:08,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:34:08,675 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:34:08,685 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:08,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:08,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:08,686 INFO L229 MonitoredProcess]: Starting monitored process 33 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) [2024-11-17 08:34:08,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-17 08:34:08,687 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 [2024-11-17 08:34:08,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:34:08,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:34:08,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:34:08,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:34:08,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:34:08,697 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:34:08,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:34:08,698 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:34:08,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:08,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:08,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:08,709 INFO L229 MonitoredProcess]: Starting monitored process 34 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) [2024-11-17 08:34:08,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-17 08:34:08,711 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 [2024-11-17 08:34:08,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:34:08,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:34:08,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:34:08,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:34:08,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:34:08,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:34:08,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:34:08,728 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-17 08:34:08,734 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-11-17 08:34:08,734 INFO L444 ModelExtractionUtils]: 3 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-11-17 08:34:08,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:08,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:08,736 INFO L229 MonitoredProcess]: Starting monitored process 35 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) [2024-11-17 08:34:08,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-17 08:34:08,739 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-17 08:34:08,739 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-17 08:34:08,739 INFO L474 LassoAnalysis]: Proved termination. [2024-11-17 08:34:08,739 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~r~0#1) = 1*ULTIMATE.start_main_~r~0#1 Supporting invariants [] [2024-11-17 08:34:08,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-11-17 08:34:08,750 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-17 08:34:08,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:34:08,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 08:34:08,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:34:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:34:08,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 08:34:08,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:34:08,814 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-11-17 08:34:08,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-17 08:34:08,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:34:08,870 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-17 08:34:08,870 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 75 states and 85 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-17 08:34:08,906 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 75 states and 85 transitions. cyclomatic complexity: 12. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 149 states and 170 transitions. Complement of second has 6 states. [2024-11-17 08:34:08,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-17 08:34:08,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-17 08:34:08,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 50 transitions. [2024-11-17 08:34:08,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 50 transitions. Stem has 5 letters. Loop has 16 letters. [2024-11-17 08:34:08,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:34:08,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 50 transitions. Stem has 21 letters. Loop has 16 letters. [2024-11-17 08:34:08,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:34:08,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 50 transitions. Stem has 5 letters. Loop has 32 letters. [2024-11-17 08:34:08,910 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:34:08,910 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 149 states and 170 transitions. [2024-11-17 08:34:08,911 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 26 [2024-11-17 08:34:08,911 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 149 states to 144 states and 164 transitions. [2024-11-17 08:34:08,911 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2024-11-17 08:34:08,912 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2024-11-17 08:34:08,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 144 states and 164 transitions. [2024-11-17 08:34:08,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-17 08:34:08,912 INFO L218 hiAutomatonCegarLoop]: Abstraction has 144 states and 164 transitions. [2024-11-17 08:34:08,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states and 164 transitions. [2024-11-17 08:34:08,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 140. [2024-11-17 08:34:08,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 140 states have (on average 1.1428571428571428) internal successors, (160), 139 states have internal predecessors, (160), 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) [2024-11-17 08:34:08,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 160 transitions. [2024-11-17 08:34:08,916 INFO L240 hiAutomatonCegarLoop]: Abstraction has 140 states and 160 transitions. [2024-11-17 08:34:08,916 INFO L425 stractBuchiCegarLoop]: Abstraction has 140 states and 160 transitions. [2024-11-17 08:34:08,916 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-17 08:34:08,916 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 140 states and 160 transitions. [2024-11-17 08:34:08,916 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 26 [2024-11-17 08:34:08,916 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:34:08,916 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:34:08,917 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-17 08:34:08,917 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:34:08,917 INFO L745 eck$LassoCheckResult]: Stem: 2281#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 2282#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 2289#L27-1 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 2215#L30 assume main_~l~0#1 > 1;main_#t~post2#1 := main_~l~0#1;main_~l~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 2216#L35 assume true; 2270#L35-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 2240#L38 [2024-11-17 08:34:08,917 INFO L747 eck$LassoCheckResult]: Loop: 2240#L38 assume true; 2283#L38-1 assume !!(main_~j~0#1 <= main_~r~0#1); 2275#L39 assume !(main_~j~0#1 < main_~r~0#1); 2217#L47 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 2218#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 2279#L21-9 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 2233#L18-8 assume !(0 == __VERIFIER_assert_~cond#1); 2234#L21-8 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 2253#L49 assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~i~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 2254#L18-7 assume !(0 == __VERIFIER_assert_~cond#1); 2264#L21-7 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~i~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 2249#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 2250#L21-6 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 2225#L18-5 assume !(0 == __VERIFIER_assert_~cond#1); 2226#L21-5 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 2260#L18-4 assume !(0 == __VERIFIER_assert_~cond#1); 2261#L21-4 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_~i~0#1 := main_~j~0#1;main_~j~0#1 := 2 * main_~j~0#1; 2240#L38 [2024-11-17 08:34:08,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:08,917 INFO L85 PathProgramCache]: Analyzing trace with hash 851562937, now seen corresponding path program 1 times [2024-11-17 08:34:08,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:08,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827583481] [2024-11-17 08:34:08,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:08,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:08,928 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:34:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:08,933 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:34:08,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:08,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1393939070, now seen corresponding path program 1 times [2024-11-17 08:34:08,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:08,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218795862] [2024-11-17 08:34:08,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:08,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:08,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:08,941 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:34:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:08,945 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:34:08,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:08,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1022011334, now seen corresponding path program 1 times [2024-11-17 08:34:08,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:08,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445247212] [2024-11-17 08:34:08,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:08,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:08,963 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:34:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:08,973 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:34:09,085 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:34:09,085 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:34:09,086 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:34:09,086 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:34:09,086 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-17 08:34:09,086 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:09,086 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:34:09,086 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:34:09,086 INFO L132 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration7_Loop [2024-11-17 08:34:09,086 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:34:09,086 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:34:09,087 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:09,088 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:09,097 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:09,098 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:09,129 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:34:09,129 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-17 08:34:09,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:09,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:09,130 INFO L229 MonitoredProcess]: Starting monitored process 36 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) [2024-11-17 08:34:09,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-17 08:34:09,132 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:34:09,132 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:09,143 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-17 08:34:09,143 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-17 08:34:09,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:09,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:09,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:09,154 INFO L229 MonitoredProcess]: Starting monitored process 37 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) [2024-11-17 08:34:09,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-17 08:34:09,155 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:34:09,155 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:09,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:09,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:09,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:09,184 INFO L229 MonitoredProcess]: Starting monitored process 38 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) [2024-11-17 08:34:09,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-17 08:34:09,186 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-17 08:34:09,186 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:09,258 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-17 08:34:09,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:09,262 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:34:09,262 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:34:09,262 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:34:09,262 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:34:09,262 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-17 08:34:09,262 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:09,262 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:34:09,262 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:34:09,262 INFO L132 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration7_Loop [2024-11-17 08:34:09,262 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:34:09,262 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:34:09,263 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:09,273 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:09,275 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:09,276 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:09,308 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:34:09,308 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-17 08:34:09,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:09,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:09,310 INFO L229 MonitoredProcess]: Starting monitored process 39 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) [2024-11-17 08:34:09,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-17 08:34:09,312 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 [2024-11-17 08:34:09,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:34:09,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:34:09,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:34:09,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:34:09,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:34:09,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:34:09,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:34:09,326 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-17 08:34:09,330 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-17 08:34:09,330 INFO L444 ModelExtractionUtils]: 1 out of 6 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-11-17 08:34:09,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:09,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:09,332 INFO L229 MonitoredProcess]: Starting monitored process 40 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) [2024-11-17 08:34:09,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-17 08:34:09,334 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-17 08:34:09,334 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-17 08:34:09,334 INFO L474 LassoAnalysis]: Proved termination. [2024-11-17 08:34:09,334 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1, ULTIMATE.start_main_~j~0#1) = 3*ULTIMATE.start_main_~n~0#1 - 2*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2024-11-17 08:34:09,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-11-17 08:34:09,348 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-17 08:34:09,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:34:09,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 08:34:09,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:34:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:34:09,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-17 08:34:09,386 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:34:09,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:34:09,478 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2024-11-17 08:34:09,478 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 140 states and 160 transitions. cyclomatic complexity: 24 Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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) [2024-11-17 08:34:09,625 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 140 states and 160 transitions. cyclomatic complexity: 24. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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 437 states and 487 transitions. Complement of second has 15 states. [2024-11-17 08:34:09,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2024-11-17 08:34:09,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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) [2024-11-17 08:34:09,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 51 transitions. [2024-11-17 08:34:09,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 51 transitions. Stem has 6 letters. Loop has 17 letters. [2024-11-17 08:34:09,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:34:09,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 51 transitions. Stem has 23 letters. Loop has 17 letters. [2024-11-17 08:34:09,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:34:09,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 51 transitions. Stem has 6 letters. Loop has 34 letters. [2024-11-17 08:34:09,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:34:09,628 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 437 states and 487 transitions. [2024-11-17 08:34:09,630 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 26 [2024-11-17 08:34:09,632 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 437 states to 328 states and 371 transitions. [2024-11-17 08:34:09,632 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2024-11-17 08:34:09,632 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2024-11-17 08:34:09,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 328 states and 371 transitions. [2024-11-17 08:34:09,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-17 08:34:09,632 INFO L218 hiAutomatonCegarLoop]: Abstraction has 328 states and 371 transitions. [2024-11-17 08:34:09,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states and 371 transitions. [2024-11-17 08:34:09,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 278. [2024-11-17 08:34:09,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 278 states have (on average 1.143884892086331) internal successors, (318), 277 states have internal predecessors, (318), 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) [2024-11-17 08:34:09,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 318 transitions. [2024-11-17 08:34:09,642 INFO L240 hiAutomatonCegarLoop]: Abstraction has 278 states and 318 transitions. [2024-11-17 08:34:09,642 INFO L425 stractBuchiCegarLoop]: Abstraction has 278 states and 318 transitions. [2024-11-17 08:34:09,642 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-17 08:34:09,642 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 278 states and 318 transitions. [2024-11-17 08:34:09,643 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 26 [2024-11-17 08:34:09,643 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:34:09,643 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:34:09,643 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:34:09,643 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:34:09,643 INFO L745 eck$LassoCheckResult]: Stem: 2967#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 2968#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 2978#L27-1 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 2904#L30 assume main_~l~0#1 > 1;main_#t~post2#1 := main_~l~0#1;main_~l~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 2905#L35 assume true; 2924#L35-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 2925#L38 assume true; 3159#L38-1 assume !!(main_~j~0#1 <= main_~r~0#1); 2989#L39 assume !(main_~j~0#1 < main_~r~0#1); 3095#L47 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 3058#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 3053#L21-9 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 2996#L18-8 assume !(0 == __VERIFIER_assert_~cond#1); 2997#L21-8 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 2987#L49 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; 2986#L59 assume !(main_~l~0#1 > 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~r~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 2942#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 2943#L21-3 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~r~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 2928#L18-2 assume !(0 == __VERIFIER_assert_~cond#1); 2929#L21-2 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post7#1 := main_~r~0#1;main_~r~0#1 := main_#t~post7#1 - 1;havoc main_#t~post7#1; 2950#L35 assume true; 2984#L35-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 2980#L38 [2024-11-17 08:34:09,643 INFO L747 eck$LassoCheckResult]: Loop: 2980#L38 assume true; 2965#L38-1 assume !!(main_~j~0#1 <= main_~r~0#1); 2960#L39 assume !(main_~j~0#1 < main_~r~0#1); 2900#L47 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 2901#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 2953#L21-9 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 2918#L18-8 assume !(0 == __VERIFIER_assert_~cond#1); 2919#L21-8 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 2938#L49 assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~i~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 2939#L18-7 assume !(0 == __VERIFIER_assert_~cond#1); 2948#L21-7 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~i~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 2934#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 2935#L21-6 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 2910#L18-5 assume !(0 == __VERIFIER_assert_~cond#1); 2911#L21-5 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 2944#L18-4 assume !(0 == __VERIFIER_assert_~cond#1); 2945#L21-4 assume true;havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_~i~0#1 := main_~j~0#1;main_~j~0#1 := 2 * main_~j~0#1; 2980#L38 [2024-11-17 08:34:09,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:09,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1869975691, now seen corresponding path program 2 times [2024-11-17 08:34:09,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:09,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071353345] [2024-11-17 08:34:09,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:09,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:34:09,688 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:34:09,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:34:09,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071353345] [2024-11-17 08:34:09,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071353345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:34:09,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:34:09,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 08:34:09,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717533941] [2024-11-17 08:34:09,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:34:09,689 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-17 08:34:09,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:09,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1393939070, now seen corresponding path program 2 times [2024-11-17 08:34:09,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:34:09,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074079418] [2024-11-17 08:34:09,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:34:09,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:34:09,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:09,693 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:34:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:34:09,699 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:34:09,771 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-11-17 08:34:09,822 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:34:09,822 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:34:09,822 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:34:09,822 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:34:09,822 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-17 08:34:09,822 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:09,822 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:34:09,822 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:34:09,822 INFO L132 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration8_Loop [2024-11-17 08:34:09,822 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:34:09,822 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:34:09,823 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:09,832 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:09,834 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:09,835 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:09,867 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:34:09,867 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-17 08:34:09,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:09,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:09,868 INFO L229 MonitoredProcess]: Starting monitored process 41 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) [2024-11-17 08:34:09,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-17 08:34:09,869 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-17 08:34:09,869 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:09,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:09,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:09,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:09,899 INFO L229 MonitoredProcess]: Starting monitored process 42 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) [2024-11-17 08:34:09,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-17 08:34:09,900 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-17 08:34:09,900 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-17 08:34:09,972 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-17 08:34:09,976 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-11-17 08:34:09,976 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:34:09,976 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:34:09,976 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:34:09,977 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:34:09,977 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-17 08:34:09,977 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:09,977 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:34:09,977 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:34:09,977 INFO L132 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration8_Loop [2024-11-17 08:34:09,977 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:34:09,977 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:34:09,977 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:09,986 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:09,987 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:09,989 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:34:10,021 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:34:10,021 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-17 08:34:10,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:10,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:10,022 INFO L229 MonitoredProcess]: Starting monitored process 43 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) [2024-11-17 08:34:10,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-17 08:34:10,023 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 [2024-11-17 08:34:10,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:34:10,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:34:10,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:34:10,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:34:10,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:34:10,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:34:10,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:34:10,036 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-17 08:34:10,039 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-17 08:34:10,040 INFO L444 ModelExtractionUtils]: 1 out of 6 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-11-17 08:34:10,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:34:10,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:34:10,041 INFO L229 MonitoredProcess]: Starting monitored process 44 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) [2024-11-17 08:34:10,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-17 08:34:10,042 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-17 08:34:10,042 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-17 08:34:10,042 INFO L474 LassoAnalysis]: Proved termination. [2024-11-17 08:34:10,042 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1, ULTIMATE.start_main_~j~0#1) = 3*ULTIMATE.start_main_~n~0#1 - 2*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2024-11-17 08:34:10,052 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-11-17 08:34:10,052 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-17 08:34:10,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:10,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:34:10,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 08:34:10,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:34:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:34:10,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 08:34:10,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:34:10,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:34:10,188 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2024-11-17 08:34:10,188 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 278 states and 318 transitions. cyclomatic complexity: 47 Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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) [2024-11-17 08:34:10,330 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 278 states and 318 transitions. cyclomatic complexity: 47. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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 501 states and 563 transitions. Complement of second has 15 states. [2024-11-17 08:34:10,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2024-11-17 08:34:10,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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) [2024-11-17 08:34:10,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 51 transitions. [2024-11-17 08:34:10,331 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 51 transitions. Stem has 22 letters. Loop has 17 letters. [2024-11-17 08:34:10,331 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:34:10,331 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-17 08:34:10,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:34:10,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 08:34:10,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:34:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:34:10,378 WARN L253 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-17 08:34:10,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:34:10,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:34:10,591 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 9 loop predicates [2024-11-17 08:34:10,591 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 278 states and 318 transitions. cyclomatic complexity: 47 Second operand has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 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) [2024-11-17 08:34:10,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-11-17 08:34:11,032 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 278 states and 318 transitions. cyclomatic complexity: 47. Second operand has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 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 592 states and 655 transitions. Complement of second has 33 states. [2024-11-17 08:34:11,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 17 states 1 stem states 15 non-accepting loop states 1 accepting loop states [2024-11-17 08:34:11,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 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) [2024-11-17 08:34:11,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 67 transitions. [2024-11-17 08:34:11,033 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 67 transitions. Stem has 22 letters. Loop has 17 letters. [2024-11-17 08:34:11,033 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:34:11,033 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-17 08:34:11,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:34:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:34:11,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 08:34:11,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:34:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:34:11,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 08:34:11,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:34:11,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:34:11,179 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2024-11-17 08:34:11,179 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 278 states and 318 transitions. cyclomatic complexity: 47 Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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) [2024-11-17 08:34:11,376 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 278 states and 318 transitions. cyclomatic complexity: 47. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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 796 states and 880 transitions. Complement of second has 16 states. [2024-11-17 08:34:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2024-11-17 08:34:11,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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) [2024-11-17 08:34:11,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 110 transitions. [2024-11-17 08:34:11,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 110 transitions. Stem has 22 letters. Loop has 17 letters. [2024-11-17 08:34:11,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:34:11,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 110 transitions. Stem has 39 letters. Loop has 17 letters. [2024-11-17 08:34:11,379 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:34:11,379 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 110 transitions. Stem has 22 letters. Loop has 34 letters. [2024-11-17 08:34:11,379 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:34:11,379 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 796 states and 880 transitions. [2024-11-17 08:34:11,387 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-17 08:34:11,388 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 796 states to 0 states and 0 transitions. [2024-11-17 08:34:11,388 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-17 08:34:11,388 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-17 08:34:11,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-17 08:34:11,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:34:11,388 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:34:11,388 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:34:11,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:34:11,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 08:34:11,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 08:34:11,389 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:34:11,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:34:11,389 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-17 08:34:11,389 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-17 08:34:11,389 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-17 08:34:11,389 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-17 08:34:11,389 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-17 08:34:11,389 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-17 08:34:11,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-17 08:34:11,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:34:11,389 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:34:11,389 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:34:11,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 08:34:11,390 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:34:11,390 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-17 08:34:11,390 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-17 08:34:11,390 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-17 08:34:11,390 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-17 08:34:11,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:34:11 BoogieIcfgContainer [2024-11-17 08:34:11,396 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:34:11,397 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:34:11,397 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:34:11,397 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:34:11,397 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:34:05" (3/4) ... [2024-11-17 08:34:11,399 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 08:34:11,399 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:34:11,400 INFO L158 Benchmark]: Toolchain (without parser) took 6831.73ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 117.5MB in the beginning and 94.4MB in the end (delta: 23.1MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. [2024-11-17 08:34:11,400 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 109.1MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:34:11,400 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.72ms. Allocated memory is still 184.5MB. Free memory was 117.3MB in the beginning and 104.6MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 08:34:11,400 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.08ms. Allocated memory is still 184.5MB. Free memory was 104.4MB in the beginning and 102.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:34:11,401 INFO L158 Benchmark]: Boogie Preprocessor took 50.33ms. Allocated memory is still 184.5MB. Free memory was 102.5MB in the beginning and 158.2MB in the end (delta: -55.7MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2024-11-17 08:34:11,401 INFO L158 Benchmark]: IcfgBuilder took 375.31ms. Allocated memory is still 184.5MB. Free memory was 158.2MB in the beginning and 141.0MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-17 08:34:11,401 INFO L158 Benchmark]: BuchiAutomizer took 6149.99ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 141.0MB in the beginning and 94.4MB in the end (delta: 46.5MB). Peak memory consumption was 86.8MB. Max. memory is 16.1GB. [2024-11-17 08:34:11,401 INFO L158 Benchmark]: Witness Printer took 3.00ms. Allocated memory is still 222.3MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:34:11,402 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 109.1MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.72ms. Allocated memory is still 184.5MB. Free memory was 117.3MB in the beginning and 104.6MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.08ms. Allocated memory is still 184.5MB. Free memory was 104.4MB in the beginning and 102.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.33ms. Allocated memory is still 184.5MB. Free memory was 102.5MB in the beginning and 158.2MB in the end (delta: -55.7MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * IcfgBuilder took 375.31ms. Allocated memory is still 184.5MB. Free memory was 158.2MB in the beginning and 141.0MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 6149.99ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 141.0MB in the beginning and 94.4MB in the end (delta: 46.5MB). Peak memory consumption was 86.8MB. Max. memory is 16.1GB. * Witness Printer took 3.00ms. Allocated memory is still 222.3MB. Free memory is still 94.4MB. 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 12 terminating modules (6 trivial, 5 deterministic, 1 nondeterministic). One deterministic module has affine ranking function l and consists of 4 locations. One deterministic module has affine ranking function l and consists of 4 locations. One deterministic module has affine ranking function r and consists of 4 locations. One deterministic module has affine ranking function r and consists of 4 locations. One deterministic module has affine ranking function (((long long) -2 * j) + ((long long) 3 * n)) and consists of 8 locations. One nondeterministic module has affine ranking function (((long long) -2 * j) + ((long long) 3 * n)) and consists of 9 locations. 6 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.1s and 9 iterations. TraceHistogramMax:2. Analysis of lassos took 3.5s. Construction of modules took 0.5s. Büchi inclusion checks took 1.8s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 8. Automata minimization 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 285 StatesRemovedByMinimization, 8 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 [5, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 948 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 940 mSDsluCounter, 1304 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 599 mSDsCounter, 96 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 983 IncrementalHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 96 mSolverCounterUnsat, 705 mSDtfsCounter, 983 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT2 conc0 concLT3 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital25 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq157 hnf92 smp100 dnf100 smp100 tf105 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 9 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 6 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-17 08:34:11,424 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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