./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/reducercommutativity/rangesum.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/reducercommutativity/rangesum.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 4dc91bf2fc8981aab63c1ee768384f1c8f580edfe4618d65089a78f799b6ddb8 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 21:02:43,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 21:02:43,729 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-12 21:02:43,735 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 21:02:43,735 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 21:02:43,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 21:02:43,772 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 21:02:43,772 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 21:02:43,773 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 21:02:43,774 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 21:02:43,775 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 21:02:43,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 21:02:43,776 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 21:02:43,776 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-12 21:02:43,777 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-12 21:02:43,777 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-12 21:02:43,778 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-12 21:02:43,778 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-12 21:02:43,781 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-12 21:02:43,781 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 21:02:43,781 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-12 21:02:43,781 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 21:02:43,782 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 21:02:43,782 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 21:02:43,782 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 21:02:43,783 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-12 21:02:43,783 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-12 21:02:43,783 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-12 21:02:43,783 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 21:02:43,784 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 21:02:43,784 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 21:02:43,784 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 21:02:43,784 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-12 21:02:43,784 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 21:02:43,785 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 21:02:43,785 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 21:02:43,786 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 21:02:43,786 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 21:02:43,787 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-12 21:02:43,787 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4dc91bf2fc8981aab63c1ee768384f1c8f580edfe4618d65089a78f799b6ddb8 [2024-11-12 21:02:44,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 21:02:44,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 21:02:44,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 21:02:44,039 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 21:02:44,039 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 21:02:44,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/rangesum.i [2024-11-12 21:02:45,416 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 21:02:45,610 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 21:02:45,610 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/rangesum.i [2024-11-12 21:02:45,617 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b39a3dc22/0be7f83d730f4b2baa1adfcedcf2ac4b/FLAGda0fbecd1 [2024-11-12 21:02:45,995 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b39a3dc22/0be7f83d730f4b2baa1adfcedcf2ac4b [2024-11-12 21:02:45,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 21:02:45,999 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 21:02:46,000 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 21:02:46,000 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 21:02:46,006 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 21:02:46,007 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:02:45" (1/1) ... [2024-11-12 21:02:46,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@578bc8f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:46, skipping insertion in model container [2024-11-12 21:02:46,008 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:02:45" (1/1) ... [2024-11-12 21:02:46,031 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 21:02:46,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:02:46,221 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 21:02:46,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:02:46,256 INFO L204 MainTranslator]: Completed translation [2024-11-12 21:02:46,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:46 WrapperNode [2024-11-12 21:02:46,257 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 21:02:46,258 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 21:02:46,259 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 21:02:46,259 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 21:02:46,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:46" (1/1) ... [2024-11-12 21:02:46,271 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:46" (1/1) ... [2024-11-12 21:02:46,293 INFO L138 Inliner]: procedures = 17, calls = 23, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 142 [2024-11-12 21:02:46,294 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 21:02:46,295 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 21:02:46,295 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 21:02:46,295 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 21:02:46,308 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:46" (1/1) ... [2024-11-12 21:02:46,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:46" (1/1) ... [2024-11-12 21:02:46,311 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:46" (1/1) ... [2024-11-12 21:02:46,324 INFO L175 MemorySlicer]: Split 14 memory accesses to 2 slices as follows [2, 12]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 5 writes are split as follows [0, 5]. [2024-11-12 21:02:46,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:46" (1/1) ... [2024-11-12 21:02:46,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:46" (1/1) ... [2024-11-12 21:02:46,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:46" (1/1) ... [2024-11-12 21:02:46,334 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:46" (1/1) ... [2024-11-12 21:02:46,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:46" (1/1) ... [2024-11-12 21:02:46,336 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:46" (1/1) ... [2024-11-12 21:02:46,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 21:02:46,340 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 21:02:46,340 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 21:02:46,340 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 21:02:46,341 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:46" (1/1) ... [2024-11-12 21:02:46,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:46,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:46,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:46,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-12 21:02:46,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 21:02:46,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 21:02:46,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 21:02:46,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 21:02:46,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 21:02:46,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 21:02:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 21:02:46,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 21:02:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 21:02:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 21:02:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 21:02:46,516 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 21:02:46,520 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 21:02:46,804 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-12 21:02:46,804 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 21:02:46,820 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 21:02:46,821 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-12 21:02:46,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:02:46 BoogieIcfgContainer [2024-11-12 21:02:46,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 21:02:46,823 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-12 21:02:46,823 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-12 21:02:46,827 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-12 21:02:46,827 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:02:46,828 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 09:02:45" (1/3) ... [2024-11-12 21:02:46,829 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29d825f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:02:46, skipping insertion in model container [2024-11-12 21:02:46,830 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:02:46,830 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:46" (2/3) ... [2024-11-12 21:02:46,830 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29d825f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:02:46, skipping insertion in model container [2024-11-12 21:02:46,831 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:02:46,831 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:02:46" (3/3) ... [2024-11-12 21:02:46,833 INFO L332 chiAutomizerObserver]: Analyzing ICFG rangesum.i [2024-11-12 21:02:46,928 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2024-11-12 21:02:46,928 INFO L302 stractBuchiCegarLoop]: Hoare is None [2024-11-12 21:02:46,928 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-12 21:02:46,928 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-12 21:02:46,929 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-12 21:02:46,929 INFO L306 stractBuchiCegarLoop]: Difference is false [2024-11-12 21:02:46,929 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-12 21:02:46,929 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-12 21:02:46,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 32 states, 31 states have (on average 1.6129032258064515) internal successors, (50), 31 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:02:46,951 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 13 [2024-11-12 21:02:46,952 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:02:46,953 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:02:46,975 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-12 21:02:46,976 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-12 21:02:46,976 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-12 21:02:46,976 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 32 states, 31 states have (on average 1.6129032258064515) internal successors, (50), 31 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:02:46,979 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 13 [2024-11-12 21:02:46,981 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:02:46,981 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:02:46,981 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-12 21:02:46,981 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-12 21:02:46,989 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);~N~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~2#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet1#1, init_nondet_#t~post2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0;" [2024-11-12 21:02:46,989 INFO L749 eck$LassoCheckResult]: Loop: "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" [2024-11-12 21:02:46,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:46,997 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2024-11-12 21:02:47,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:47,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397134280] [2024-11-12 21:02:47,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:47,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:47,108 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:02:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:47,144 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:02:47,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:47,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1379, now seen corresponding path program 1 times [2024-11-12 21:02:47,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:47,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936501016] [2024-11-12 21:02:47,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:47,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:47,160 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:02:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:47,168 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:02:47,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:47,171 INFO L85 PathProgramCache]: Analyzing trace with hash 28693956, now seen corresponding path program 1 times [2024-11-12 21:02:47,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:47,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805300835] [2024-11-12 21:02:47,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:47,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:47,207 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:02:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:47,231 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:02:47,654 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 21:02:47,655 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 21:02:47,655 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 21:02:47,655 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 21:02:47,655 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 21:02:47,655 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:47,655 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 21:02:47,656 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 21:02:47,656 INFO L132 ssoRankerPreferences]: Filename of dumped script: rangesum.i_Iteration1_Lasso [2024-11-12 21:02:47,656 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 21:02:47,656 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 21:02:47,673 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:47,680 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:47,686 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:47,694 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:47,697 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:47,701 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:47,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:47,706 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:47,710 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:47,713 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:47,717 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:47,723 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:47,739 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:47,742 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:47,746 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:47,991 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:47,994 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:47,996 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:47,999 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:48,001 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:48,347 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 21:02:48,352 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 21:02:48,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:48,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:48,356 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) [2024-11-12 21:02:48,358 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 [2024-11-12 21:02:48,359 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 [2024-11-12 21:02:48,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:48,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:48,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:48,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:48,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:48,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:48,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:48,378 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:48,392 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 [2024-11-12 21:02:48,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:48,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:48,394 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) [2024-11-12 21:02:48,395 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 [2024-11-12 21:02:48,396 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 [2024-11-12 21:02:48,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:48,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:48,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:48,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:48,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:48,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:48,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:48,409 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:48,424 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-12 21:02:48,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:48,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:48,427 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) [2024-11-12 21:02:48,428 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 [2024-11-12 21:02:48,429 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 [2024-11-12 21:02:48,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:48,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:48,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:48,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:48,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:48,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:48,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:48,449 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:48,464 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 [2024-11-12 21:02:48,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:48,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:48,466 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) [2024-11-12 21:02:48,469 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 [2024-11-12 21:02:48,470 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 [2024-11-12 21:02:48,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:48,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:48,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:48,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:48,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:48,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:48,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:48,487 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:48,502 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 [2024-11-12 21:02:48,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:48,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:48,504 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) [2024-11-12 21:02:48,505 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 [2024-11-12 21:02:48,507 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 [2024-11-12 21:02:48,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:48,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:48,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:48,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:48,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:48,521 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:48,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:48,524 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:48,538 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 [2024-11-12 21:02:48,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:48,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:48,540 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) [2024-11-12 21:02:48,542 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 [2024-11-12 21:02:48,543 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 [2024-11-12 21:02:48,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:48,553 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:48,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:48,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:48,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:48,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:48,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:48,555 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:48,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-12 21:02:48,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:48,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:48,568 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) [2024-11-12 21:02:48,569 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 [2024-11-12 21:02:48,569 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 [2024-11-12 21:02:48,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:48,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:48,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:48,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:48,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:48,582 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:48,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:48,583 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:48,594 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 [2024-11-12 21:02:48,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:48,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:48,595 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) [2024-11-12 21:02:48,596 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 [2024-11-12 21:02:48,597 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 [2024-11-12 21:02:48,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:48,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:48,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:48,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:48,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:48,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:48,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:48,609 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:48,620 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-12 21:02:48,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:48,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:48,644 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) [2024-11-12 21:02:48,645 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 [2024-11-12 21:02:48,645 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 [2024-11-12 21:02:48,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:48,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:48,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:48,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:48,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:48,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:48,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:48,658 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:48,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-12 21:02:48,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:48,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:48,674 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) [2024-11-12 21:02:48,677 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 [2024-11-12 21:02:48,678 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 [2024-11-12 21:02:48,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:48,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:48,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:48,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:48,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:48,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:48,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:48,693 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:48,705 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 [2024-11-12 21:02:48,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:48,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:48,707 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) [2024-11-12 21:02:48,708 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 [2024-11-12 21:02:48,708 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 [2024-11-12 21:02:48,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:48,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:48,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:48,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:48,722 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:02:48,722 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:02:48,726 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:48,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-12 21:02:48,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:48,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:48,742 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) [2024-11-12 21:02:48,744 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 [2024-11-12 21:02:48,745 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 [2024-11-12 21:02:48,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:48,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:48,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:48,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:48,761 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:02:48,761 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:02:48,766 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:48,781 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 [2024-11-12 21:02:48,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:48,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:48,784 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) [2024-11-12 21:02:48,785 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 [2024-11-12 21:02:48,786 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 [2024-11-12 21:02:48,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:48,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:48,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:48,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:48,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:02:48,806 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:02:48,809 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:48,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-12 21:02:48,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:48,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:48,833 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) [2024-11-12 21:02:48,834 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 [2024-11-12 21:02:48,835 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 [2024-11-12 21:02:48,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:48,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:48,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:48,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:48,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:48,846 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:48,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:48,847 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:48,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-12 21:02:48,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:48,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:48,859 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) [2024-11-12 21:02:48,860 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 [2024-11-12 21:02:48,861 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 [2024-11-12 21:02:48,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:48,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:48,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:48,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:48,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:48,872 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:48,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:48,873 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:48,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-12 21:02:48,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:48,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:48,885 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) [2024-11-12 21:02:48,885 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 [2024-11-12 21:02:48,887 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 [2024-11-12 21:02:48,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:48,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:48,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:48,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:48,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:02:48,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:02:48,906 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:48,920 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 [2024-11-12 21:02:48,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:48,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:48,921 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) [2024-11-12 21:02:48,922 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 [2024-11-12 21:02:48,923 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 [2024-11-12 21:02:48,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:48,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:48,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:48,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:48,936 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:02:48,937 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:02:48,942 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:48,956 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-12 21:02:48,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:48,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:48,958 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) [2024-11-12 21:02:48,960 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 [2024-11-12 21:02:48,961 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 [2024-11-12 21:02:48,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:48,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:48,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:48,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:48,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:48,974 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:48,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:48,975 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:48,990 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-12 21:02:48,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:48,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:48,992 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) [2024-11-12 21:02:48,994 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 [2024-11-12 21:02:48,996 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 [2024-11-12 21:02:49,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:49,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:49,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:49,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:49,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:02:49,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:02:49,018 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:49,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-12 21:02:49,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:49,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:49,035 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) [2024-11-12 21:02:49,036 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 [2024-11-12 21:02:49,037 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 [2024-11-12 21:02:49,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:49,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:49,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:49,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:49,061 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:02:49,061 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:02:49,071 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 21:02:49,102 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-11-12 21:02:49,103 INFO L444 ModelExtractionUtils]: 1 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero. [2024-11-12 21:02:49,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:49,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:49,113 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) [2024-11-12 21:02:49,120 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 21:02:49,141 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 [2024-11-12 21:02:49,143 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-12 21:02:49,143 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 21:02:49,144 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_init_nondet_~x#1.offset, v_rep(select #length ULTIMATE.start_init_nondet_~x#1.base)_1, ULTIMATE.start_init_nondet_~i~0#1) = -1*ULTIMATE.start_init_nondet_~x#1.offset + 1*v_rep(select #length ULTIMATE.start_init_nondet_~x#1.base)_1 - 4*ULTIMATE.start_init_nondet_~i~0#1 Supporting invariants [] [2024-11-12 21:02:49,169 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 [2024-11-12 21:02:49,256 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2024-11-12 21:02:49,263 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-12 21:02:49,264 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-12 21:02:49,265 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~x!offset [2024-11-12 21:02:49,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:49,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 21:02:49,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:02:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:49,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 21:02:49,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:02:49,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 21:02:49,385 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 [2024-11-12 21:02:49,387 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 32 states, 31 states have (on average 1.6129032258064515) internal successors, (50), 31 states have internal predecessors, (50), 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 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:02:49,438 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 32 states, 31 states have (on average 1.6129032258064515) internal successors, (50), 31 states have internal predecessors, (50), 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 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 65 states and 100 transitions. Complement of second has 6 states. [2024-11-12 21:02:49,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-12 21:02:49,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:02:49,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 52 transitions. [2024-11-12 21:02:49,451 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 52 transitions. Stem has 3 letters. Loop has 2 letters. [2024-11-12 21:02:49,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:02:49,452 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 52 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-12 21:02:49,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:02:49,452 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 52 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-12 21:02:49,453 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:02:49,453 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 100 transitions. [2024-11-12 21:02:49,459 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2024-11-12 21:02:49,465 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 23 states and 36 transitions. [2024-11-12 21:02:49,466 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2024-11-12 21:02:49,466 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2024-11-12 21:02:49,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 36 transitions. [2024-11-12 21:02:49,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:02:49,467 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 36 transitions. [2024-11-12 21:02:49,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 36 transitions. [2024-11-12 21:02:49,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2024-11-12 21:02:49,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.565217391304348) internal successors, (36), 22 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:02:49,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 36 transitions. [2024-11-12 21:02:49,491 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 36 transitions. [2024-11-12 21:02:49,491 INFO L426 stractBuchiCegarLoop]: Abstraction has 23 states and 36 transitions. [2024-11-12 21:02:49,491 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-12 21:02:49,492 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 36 transitions. [2024-11-12 21:02:49,493 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2024-11-12 21:02:49,494 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:02:49,495 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:02:49,495 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-12 21:02:49,495 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-12 21:02:49,495 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);~N~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~2#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet1#1, init_nondet_#t~post2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0;" "assume !(init_nondet_~i~0#1 < ~N~0);" "havoc init_nondet_#t~nondet1#1, init_nondet_#t~post2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;havoc init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem3#1, rangesum_#t~post4#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0;" [2024-11-12 21:02:49,495 INFO L749 eck$LassoCheckResult]: Loop: "assume !!(rangesum_~i~1#1 < ~N~0);" "assume !(rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2));" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" [2024-11-12 21:02:49,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:49,496 INFO L85 PathProgramCache]: Analyzing trace with hash 28693898, now seen corresponding path program 1 times [2024-11-12 21:02:49,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:49,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769337151] [2024-11-12 21:02:49,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:49,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:49,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:02:49,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769337151] [2024-11-12 21:02:49,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769337151] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:02:49,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817710573] [2024-11-12 21:02:49,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:49,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:02:49,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:49,610 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:02:49,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-12 21:02:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:49,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 21:02:49,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:02:49,671 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:02:49,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817710573] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:02:49,682 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:02:49,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-12 21:02:49,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401248976] [2024-11-12 21:02:49,683 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:02:49,685 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 21:02:49,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:49,685 INFO L85 PathProgramCache]: Analyzing trace with hash 56764, now seen corresponding path program 1 times [2024-11-12 21:02:49,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:49,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906881124] [2024-11-12 21:02:49,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:49,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:49,703 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:02:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:49,713 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:02:49,764 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 21:02:49,764 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 21:02:49,764 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 21:02:49,764 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 21:02:49,765 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 21:02:49,765 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:49,765 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 21:02:49,765 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 21:02:49,765 INFO L132 ssoRankerPreferences]: Filename of dumped script: rangesum.i_Iteration2_Loop [2024-11-12 21:02:49,765 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 21:02:49,765 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 21:02:49,766 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:49,773 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:49,817 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 21:02:49,818 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 21:02:49,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:49,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:49,823 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) [2024-11-12 21:02:49,825 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 [2024-11-12 21:02:49,826 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 21:02:49,826 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:02:49,855 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 [2024-11-12 21:02:49,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:49,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:49,857 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) [2024-11-12 21:02:49,859 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 [2024-11-12 21:02:49,859 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 21:02:49,859 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:02:50,009 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 21:02:50,014 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 [2024-11-12 21:02:50,015 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 21:02:50,015 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 21:02:50,015 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 21:02:50,015 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 21:02:50,015 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 21:02:50,015 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:50,015 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 21:02:50,015 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 21:02:50,015 INFO L132 ssoRankerPreferences]: Filename of dumped script: rangesum.i_Iteration2_Loop [2024-11-12 21:02:50,015 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 21:02:50,015 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 21:02:50,016 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:50,026 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:50,075 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 21:02:50,075 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 21:02:50,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:50,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:50,078 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) [2024-11-12 21:02:50,080 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 [2024-11-12 21:02:50,081 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 [2024-11-12 21:02:50,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:50,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:50,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:50,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:50,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:50,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:50,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:50,098 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 21:02:50,103 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-12 21:02:50,103 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-12 21:02:50,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:50,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:50,106 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) [2024-11-12 21:02:50,109 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 [2024-11-12 21:02:50,109 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 21:02:50,109 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 21:02:50,109 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 21:02:50,109 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_rangesum_~i~1#1, ~N~0) = -4*ULTIMATE.start_rangesum_~i~1#1 + 3*~N~0 Supporting invariants [] [2024-11-12 21:02:50,124 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 [2024-11-12 21:02:50,125 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 21:02:50,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:50,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 21:02:50,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:02:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:50,172 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 21:02:50,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:02:50,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 21:02:50,239 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 [2024-11-12 21:02:50,239 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 36 transitions. cyclomatic complexity: 18 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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) [2024-11-12 21:02:50,284 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 36 transitions. cyclomatic complexity: 18. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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) Result 45 states and 74 transitions. Complement of second has 10 states. [2024-11-12 21:02:50,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-12 21:02:50,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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) [2024-11-12 21:02:50,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 36 transitions. [2024-11-12 21:02:50,288 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 5 letters. Loop has 3 letters. [2024-11-12 21:02:50,289 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:02:50,289 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 8 letters. Loop has 3 letters. [2024-11-12 21:02:50,289 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:02:50,289 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 5 letters. Loop has 6 letters. [2024-11-12 21:02:50,289 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:02:50,289 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 74 transitions. [2024-11-12 21:02:50,291 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2024-11-12 21:02:50,292 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 31 states and 48 transitions. [2024-11-12 21:02:50,292 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2024-11-12 21:02:50,292 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2024-11-12 21:02:50,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 48 transitions. [2024-11-12 21:02:50,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:02:50,293 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 48 transitions. [2024-11-12 21:02:50,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 48 transitions. [2024-11-12 21:02:50,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2024-11-12 21:02:50,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.5517241379310345) internal successors, (45), 28 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:02:50,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 45 transitions. [2024-11-12 21:02:50,300 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 45 transitions. [2024-11-12 21:02:50,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:02:50,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 21:02:50,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 21:02:50,304 INFO L87 Difference]: Start difference. First operand 29 states and 45 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 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) [2024-11-12 21:02:50,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:02:50,344 INFO L93 Difference]: Finished difference Result 31 states and 44 transitions. [2024-11-12 21:02:50,344 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 44 transitions. [2024-11-12 21:02:50,345 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2024-11-12 21:02:50,346 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 44 transitions. [2024-11-12 21:02:50,347 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2024-11-12 21:02:50,347 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2024-11-12 21:02:50,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 44 transitions. [2024-11-12 21:02:50,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:02:50,348 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 44 transitions. [2024-11-12 21:02:50,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 44 transitions. [2024-11-12 21:02:50,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-11-12 21:02:50,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.4193548387096775) internal successors, (44), 30 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:02:50,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 44 transitions. [2024-11-12 21:02:50,352 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 44 transitions. [2024-11-12 21:02:50,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 21:02:50,355 INFO L426 stractBuchiCegarLoop]: Abstraction has 31 states and 44 transitions. [2024-11-12 21:02:50,355 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-12 21:02:50,355 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 44 transitions. [2024-11-12 21:02:50,355 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2024-11-12 21:02:50,356 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:02:50,356 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:02:50,356 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-11-12 21:02:50,356 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-12 21:02:50,356 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);~N~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~2#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet1#1, init_nondet_#t~post2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !(init_nondet_~i~0#1 < ~N~0);" "havoc init_nondet_#t~nondet1#1, init_nondet_#t~post2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;havoc init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem3#1, rangesum_#t~post4#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0;" "assume !!(rangesum_~i~1#1 < ~N~0);" [2024-11-12 21:02:50,356 INFO L749 eck$LassoCheckResult]: Loop: "assume rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2);call rangesum_#t~mem3#1 := read~int#1(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem3#1;havoc rangesum_#t~mem3#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1;" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" [2024-11-12 21:02:50,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:50,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1898228851, now seen corresponding path program 1 times [2024-11-12 21:02:50,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:50,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510982331] [2024-11-12 21:02:50,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:50,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:50,388 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:02:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:50,417 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:02:50,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:50,420 INFO L85 PathProgramCache]: Analyzing trace with hash 59702, now seen corresponding path program 1 times [2024-11-12 21:02:50,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:50,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673738254] [2024-11-12 21:02:50,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:50,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:50,432 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:02:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:50,446 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:02:50,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:50,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1698716202, now seen corresponding path program 1 times [2024-11-12 21:02:50,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:50,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240119532] [2024-11-12 21:02:50,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:50,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:50,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:02:50,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240119532] [2024-11-12 21:02:50,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240119532] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:02:50,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856667179] [2024-11-12 21:02:50,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:50,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:02:50,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:50,577 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:02:50,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-12 21:02:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:50,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 21:02:50,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:02:50,666 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:02:50,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856667179] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:02:50,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:02:50,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-12 21:02:50,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112067598] [2024-11-12 21:02:50,825 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:02:50,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:02:50,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 21:02:50,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-12 21:02:50,903 INFO L87 Difference]: Start difference. First operand 31 states and 44 transitions. cyclomatic complexity: 19 Second operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 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) [2024-11-12 21:02:51,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:02:51,009 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2024-11-12 21:02:51,010 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 60 transitions. [2024-11-12 21:02:51,011 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 13 [2024-11-12 21:02:51,011 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 47 states and 58 transitions. [2024-11-12 21:02:51,011 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2024-11-12 21:02:51,011 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2024-11-12 21:02:51,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 58 transitions. [2024-11-12 21:02:51,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:02:51,012 INFO L218 hiAutomatonCegarLoop]: Abstraction has 47 states and 58 transitions. [2024-11-12 21:02:51,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 58 transitions. [2024-11-12 21:02:51,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2024-11-12 21:02:51,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 44 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:02:51,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions. [2024-11-12 21:02:51,015 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 56 transitions. [2024-11-12 21:02:51,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 21:02:51,016 INFO L426 stractBuchiCegarLoop]: Abstraction has 45 states and 56 transitions. [2024-11-12 21:02:51,016 INFO L333 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-12 21:02:51,016 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 56 transitions. [2024-11-12 21:02:51,017 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2024-11-12 21:02:51,017 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:02:51,017 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:02:51,018 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-12 21:02:51,018 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-12 21:02:51,018 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);~N~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~2#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet1#1, init_nondet_#t~post2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !(init_nondet_~i~0#1 < ~N~0);" "havoc init_nondet_#t~nondet1#1, init_nondet_#t~post2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;havoc init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem3#1, rangesum_#t~post4#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume !(rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2));" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume !(rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2));" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" [2024-11-12 21:02:51,018 INFO L749 eck$LassoCheckResult]: Loop: "assume rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2);call rangesum_#t~mem3#1 := read~int#1(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem3#1;havoc rangesum_#t~mem3#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1;" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" [2024-11-12 21:02:51,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:51,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1087984851, now seen corresponding path program 1 times [2024-11-12 21:02:51,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:51,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375119906] [2024-11-12 21:02:51,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:51,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:51,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-12 21:02:51,138 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-12 21:02:51,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:02:51,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375119906] [2024-11-12 21:02:51,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375119906] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:02:51,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489853548] [2024-11-12 21:02:51,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:51,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:02:51,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:51,241 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:02:51,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-12 21:02:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:51,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 21:02:51,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:02:51,394 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:02:51,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1489853548] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:02:51,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:02:51,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2024-11-12 21:02:51,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239579234] [2024-11-12 21:02:51,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:02:51,454 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 21:02:51,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:51,454 INFO L85 PathProgramCache]: Analyzing trace with hash 59702, now seen corresponding path program 2 times [2024-11-12 21:02:51,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:51,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386760689] [2024-11-12 21:02:51,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:51,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:51,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:51,462 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:02:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:51,472 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:02:51,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:02:51,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 21:02:51,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-12 21:02:51,554 INFO L87 Difference]: Start difference. First operand 45 states and 56 transitions. cyclomatic complexity: 17 Second operand has 14 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 14 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:02:51,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:02:51,736 INFO L93 Difference]: Finished difference Result 77 states and 91 transitions. [2024-11-12 21:02:51,736 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 91 transitions. [2024-11-12 21:02:51,737 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 13 [2024-11-12 21:02:51,742 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 69 states and 83 transitions. [2024-11-12 21:02:51,742 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 47 [2024-11-12 21:02:51,742 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 53 [2024-11-12 21:02:51,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 83 transitions. [2024-11-12 21:02:51,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:02:51,742 INFO L218 hiAutomatonCegarLoop]: Abstraction has 69 states and 83 transitions. [2024-11-12 21:02:51,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 83 transitions. [2024-11-12 21:02:51,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2024-11-12 21:02:51,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 68 states have (on average 1.2058823529411764) internal successors, (82), 67 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) [2024-11-12 21:02:51,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 82 transitions. [2024-11-12 21:02:51,747 INFO L240 hiAutomatonCegarLoop]: Abstraction has 68 states and 82 transitions. [2024-11-12 21:02:51,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 21:02:51,748 INFO L426 stractBuchiCegarLoop]: Abstraction has 68 states and 82 transitions. [2024-11-12 21:02:51,749 INFO L333 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-12 21:02:51,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 82 transitions. [2024-11-12 21:02:51,750 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 13 [2024-11-12 21:02:51,750 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:02:51,750 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:02:51,751 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1] [2024-11-12 21:02:51,751 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-12 21:02:51,751 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);~N~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~2#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet1#1, init_nondet_#t~post2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !(init_nondet_~i~0#1 < ~N~0);" "havoc init_nondet_#t~nondet1#1, init_nondet_#t~post2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;havoc init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem3#1, rangesum_#t~post4#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume !(rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2));" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume !(rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2));" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" [2024-11-12 21:02:51,752 INFO L749 eck$LassoCheckResult]: Loop: "assume rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2);call rangesum_#t~mem3#1 := read~int#1(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem3#1;havoc rangesum_#t~mem3#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1;" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" [2024-11-12 21:02:51,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:51,752 INFO L85 PathProgramCache]: Analyzing trace with hash -194268853, now seen corresponding path program 2 times [2024-11-12 21:02:51,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:51,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548721721] [2024-11-12 21:02:51,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:51,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:51,767 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:02:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:51,779 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:02:51,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:51,779 INFO L85 PathProgramCache]: Analyzing trace with hash 59702, now seen corresponding path program 3 times [2024-11-12 21:02:51,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:51,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021256972] [2024-11-12 21:02:51,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:51,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:51,791 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:02:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:51,798 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:02:51,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:51,798 INFO L85 PathProgramCache]: Analyzing trace with hash -2142422100, now seen corresponding path program 1 times [2024-11-12 21:02:51,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:51,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937318490] [2024-11-12 21:02:51,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:51,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:51,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:02:51,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937318490] [2024-11-12 21:02:51,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937318490] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:02:51,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841341721] [2024-11-12 21:02:51,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:51,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:02:51,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:51,987 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:02:51,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-12 21:02:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:52,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-12 21:02:52,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:02:52,144 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:02:52,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841341721] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:02:52,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:02:52,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 16 [2024-11-12 21:02:52,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331115947] [2024-11-12 21:02:52,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:02:52,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:02:52,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 21:02:52,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-12 21:02:52,296 INFO L87 Difference]: Start difference. First operand 68 states and 82 transitions. cyclomatic complexity: 21 Second operand has 17 states, 16 states have (on average 2.625) internal successors, (42), 17 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:02:52,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:02:52,524 INFO L93 Difference]: Finished difference Result 112 states and 131 transitions. [2024-11-12 21:02:52,524 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 112 states and 131 transitions. [2024-11-12 21:02:52,525 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 15 [2024-11-12 21:02:52,526 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 112 states to 98 states and 117 transitions. [2024-11-12 21:02:52,526 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 74 [2024-11-12 21:02:52,527 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 80 [2024-11-12 21:02:52,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 98 states and 117 transitions. [2024-11-12 21:02:52,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:02:52,527 INFO L218 hiAutomatonCegarLoop]: Abstraction has 98 states and 117 transitions. [2024-11-12 21:02:52,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states and 117 transitions. [2024-11-12 21:02:52,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 91. [2024-11-12 21:02:52,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 91 states have (on average 1.1978021978021978) internal successors, (109), 90 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:02:52,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 109 transitions. [2024-11-12 21:02:52,539 INFO L240 hiAutomatonCegarLoop]: Abstraction has 91 states and 109 transitions. [2024-11-12 21:02:52,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 21:02:52,542 INFO L426 stractBuchiCegarLoop]: Abstraction has 91 states and 109 transitions. [2024-11-12 21:02:52,542 INFO L333 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-12 21:02:52,542 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 91 states and 109 transitions. [2024-11-12 21:02:52,543 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 13 [2024-11-12 21:02:52,543 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:02:52,543 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:02:52,543 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 3, 2, 2, 1, 1, 1, 1, 1] [2024-11-12 21:02:52,544 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-12 21:02:52,544 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);~N~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~2#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet1#1, init_nondet_#t~post2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !(init_nondet_~i~0#1 < ~N~0);" "havoc init_nondet_#t~nondet1#1, init_nondet_#t~post2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;havoc init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem3#1, rangesum_#t~post4#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume !(rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2));" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume !(rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2));" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" [2024-11-12 21:02:52,544 INFO L749 eck$LassoCheckResult]: Loop: "assume rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2);call rangesum_#t~mem3#1 := read~int#1(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem3#1;havoc rangesum_#t~mem3#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1;" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" [2024-11-12 21:02:52,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:52,544 INFO L85 PathProgramCache]: Analyzing trace with hash -326653975, now seen corresponding path program 3 times [2024-11-12 21:02:52,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:52,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639711785] [2024-11-12 21:02:52,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:52,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:52,573 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:02:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:52,616 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:02:52,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:52,616 INFO L85 PathProgramCache]: Analyzing trace with hash 59702, now seen corresponding path program 4 times [2024-11-12 21:02:52,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:52,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935572539] [2024-11-12 21:02:52,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:52,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:52,623 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:02:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:52,627 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:02:52,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:52,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1047353422, now seen corresponding path program 2 times [2024-11-12 21:02:52,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:52,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389259646] [2024-11-12 21:02:52,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:52,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:52,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:02:52,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389259646] [2024-11-12 21:02:52,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389259646] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:02:52,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80318849] [2024-11-12 21:02:52,779 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 21:02:52,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:02:52,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:52,781 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:02:52,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-12 21:02:52,831 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 21:02:52,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 21:02:52,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-12 21:02:52,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416991222] [2024-11-12 21:02:52,832 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 21:02:52,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:02:52,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 21:02:52,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-12 21:02:52,898 INFO L87 Difference]: Start difference. First operand 91 states and 109 transitions. cyclomatic complexity: 25 Second operand has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:02:53,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:02:53,022 INFO L93 Difference]: Finished difference Result 137 states and 163 transitions. [2024-11-12 21:02:53,022 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 137 states and 163 transitions. [2024-11-12 21:02:53,023 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 21 [2024-11-12 21:02:53,024 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 137 states to 133 states and 159 transitions. [2024-11-12 21:02:53,025 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 106 [2024-11-12 21:02:53,025 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 106 [2024-11-12 21:02:53,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 133 states and 159 transitions. [2024-11-12 21:02:53,028 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:02:53,029 INFO L218 hiAutomatonCegarLoop]: Abstraction has 133 states and 159 transitions. [2024-11-12 21:02:53,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states and 159 transitions. [2024-11-12 21:02:53,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 124. [2024-11-12 21:02:53,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.2096774193548387) internal successors, (150), 123 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:02:53,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 150 transitions. [2024-11-12 21:02:53,042 INFO L240 hiAutomatonCegarLoop]: Abstraction has 124 states and 150 transitions. [2024-11-12 21:02:53,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 21:02:53,043 INFO L426 stractBuchiCegarLoop]: Abstraction has 124 states and 150 transitions. [2024-11-12 21:02:53,043 INFO L333 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-12 21:02:53,043 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 150 transitions. [2024-11-12 21:02:53,044 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 21 [2024-11-12 21:02:53,044 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:02:53,045 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:02:53,045 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 3, 2, 2, 1, 1, 1, 1, 1] [2024-11-12 21:02:53,046 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-12 21:02:53,046 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);~N~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~2#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet1#1, init_nondet_#t~post2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !(init_nondet_~i~0#1 < ~N~0);" "havoc init_nondet_#t~nondet1#1, init_nondet_#t~post2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;havoc init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem3#1, rangesum_#t~post4#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume !(rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2));" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume !(rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2));" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" [2024-11-12 21:02:53,046 INFO L749 eck$LassoCheckResult]: Loop: "assume rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2);call rangesum_#t~mem3#1 := read~int#1(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem3#1;havoc rangesum_#t~mem3#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1;" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" [2024-11-12 21:02:53,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:53,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1300262663, now seen corresponding path program 4 times [2024-11-12 21:02:53,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:53,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902674237] [2024-11-12 21:02:53,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:53,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:53,060 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:02:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:53,069 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:02:53,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:53,070 INFO L85 PathProgramCache]: Analyzing trace with hash 59702, now seen corresponding path program 5 times [2024-11-12 21:02:53,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:53,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863043696] [2024-11-12 21:02:53,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:53,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:53,073 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:02:53,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:53,076 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:02:53,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:53,077 INFO L85 PathProgramCache]: Analyzing trace with hash -185019280, now seen corresponding path program 3 times [2024-11-12 21:02:53,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:53,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404041424] [2024-11-12 21:02:53,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:53,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:53,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:02:53,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404041424] [2024-11-12 21:02:53,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404041424] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:02:53,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594794507] [2024-11-12 21:02:53,279 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 21:02:53,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:02:53,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:53,281 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:02:53,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-12 21:02:53,337 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 21:02:53,338 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 21:02:53,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-12 21:02:53,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541607256] [2024-11-12 21:02:53,338 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 21:02:53,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:02:53,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 21:02:53,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-12 21:02:53,406 INFO L87 Difference]: Start difference. First operand 124 states and 150 transitions. cyclomatic complexity: 37 Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:02:53,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:02:53,679 INFO L93 Difference]: Finished difference Result 137 states and 163 transitions. [2024-11-12 21:02:53,679 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 137 states and 163 transitions. [2024-11-12 21:02:53,680 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 23 [2024-11-12 21:02:53,682 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 137 states to 136 states and 162 transitions. [2024-11-12 21:02:53,682 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 108 [2024-11-12 21:02:53,682 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 108 [2024-11-12 21:02:53,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 162 transitions. [2024-11-12 21:02:53,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:02:53,685 INFO L218 hiAutomatonCegarLoop]: Abstraction has 136 states and 162 transitions. [2024-11-12 21:02:53,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 162 transitions. [2024-11-12 21:02:53,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 133. [2024-11-12 21:02:53,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 133 states have (on average 1.1954887218045114) internal successors, (159), 132 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:02:53,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 159 transitions. [2024-11-12 21:02:53,691 INFO L240 hiAutomatonCegarLoop]: Abstraction has 133 states and 159 transitions. [2024-11-12 21:02:53,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 21:02:53,692 INFO L426 stractBuchiCegarLoop]: Abstraction has 133 states and 159 transitions. [2024-11-12 21:02:53,692 INFO L333 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-12 21:02:53,692 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 133 states and 159 transitions. [2024-11-12 21:02:53,693 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 21 [2024-11-12 21:02:53,693 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:02:53,693 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:02:53,693 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 3, 3, 1, 1, 1, 1, 1] [2024-11-12 21:02:53,694 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-12 21:02:53,694 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);~N~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~2#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet1#1, init_nondet_#t~post2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !(init_nondet_~i~0#1 < ~N~0);" "havoc init_nondet_#t~nondet1#1, init_nondet_#t~post2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;havoc init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem3#1, rangesum_#t~post4#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume !(rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2));" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume !(rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2));" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume !(rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2));" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" [2024-11-12 21:02:53,694 INFO L749 eck$LassoCheckResult]: Loop: "assume rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2);call rangesum_#t~mem3#1 := read~int#1(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem3#1;havoc rangesum_#t~mem3#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1;" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" [2024-11-12 21:02:53,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:53,694 INFO L85 PathProgramCache]: Analyzing trace with hash -185017358, now seen corresponding path program 5 times [2024-11-12 21:02:53,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:53,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401819909] [2024-11-12 21:02:53,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:53,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:53,706 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:02:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:53,716 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:02:53,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:53,717 INFO L85 PathProgramCache]: Analyzing trace with hash 59702, now seen corresponding path program 6 times [2024-11-12 21:02:53,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:53,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171595239] [2024-11-12 21:02:53,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:53,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:53,720 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:02:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:53,723 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:02:53,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:53,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1409041499, now seen corresponding path program 4 times [2024-11-12 21:02:53,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:53,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080251271] [2024-11-12 21:02:53,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:53,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:53,744 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:02:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:53,755 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:02:54,773 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 21:02:54,773 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 21:02:54,773 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 21:02:54,773 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 21:02:54,773 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 21:02:54,773 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:54,774 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 21:02:54,774 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 21:02:54,774 INFO L132 ssoRankerPreferences]: Filename of dumped script: rangesum.i_Iteration8_Lasso [2024-11-12 21:02:54,774 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 21:02:54,774 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 21:02:54,776 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:54,780 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:54,783 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:54,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:54,790 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:54,792 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:54,794 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:54,796 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:54,797 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:54,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:54,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:54,804 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:54,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:54,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:54,810 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:54,812 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:54,814 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:54,816 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:54,818 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:54,828 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:54,830 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:54,831 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:55,054 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:55,056 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:55,058 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:55,060 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:55,063 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:55,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:55,067 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:55,367 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 21:02:55,368 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 21:02:55,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:55,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:55,370 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) [2024-11-12 21:02:55,372 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 [2024-11-12 21:02:55,372 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 [2024-11-12 21:02:55,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:55,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:55,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:55,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:55,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:55,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:55,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:55,384 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:55,393 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 [2024-11-12 21:02:55,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:55,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:55,395 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) [2024-11-12 21:02:55,395 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 [2024-11-12 21:02:55,396 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 [2024-11-12 21:02:55,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:55,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:55,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:55,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:55,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:55,406 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:55,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:55,407 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:55,416 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 [2024-11-12 21:02:55,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:55,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:55,418 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) [2024-11-12 21:02:55,418 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 [2024-11-12 21:02:55,419 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 [2024-11-12 21:02:55,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:55,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:55,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:55,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:55,430 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:02:55,430 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:02:55,434 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:55,445 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 [2024-11-12 21:02:55,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:55,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:55,447 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) [2024-11-12 21:02:55,448 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 [2024-11-12 21:02:55,449 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 [2024-11-12 21:02:55,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:55,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:55,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:55,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:55,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:55,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:55,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:55,460 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:55,469 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-11-12 21:02:55,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:55,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:55,471 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) [2024-11-12 21:02:55,472 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 [2024-11-12 21:02:55,472 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 [2024-11-12 21:02:55,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:55,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:55,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:55,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:55,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:55,482 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:55,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:55,484 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:55,493 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-11-12 21:02:55,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:55,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:55,495 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) [2024-11-12 21:02:55,495 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 [2024-11-12 21:02:55,496 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 [2024-11-12 21:02:55,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:55,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:55,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:55,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:55,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:55,507 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:55,507 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:55,508 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:55,518 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 [2024-11-12 21:02:55,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:55,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:55,519 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) [2024-11-12 21:02:55,521 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 [2024-11-12 21:02:55,521 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 [2024-11-12 21:02:55,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:55,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:55,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:55,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:55,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:55,532 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:55,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:55,533 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:55,545 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 [2024-11-12 21:02:55,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:55,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:55,547 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) [2024-11-12 21:02:55,547 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 [2024-11-12 21:02:55,548 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 [2024-11-12 21:02:55,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:55,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:55,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:55,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:55,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:55,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:55,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:55,559 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:55,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-11-12 21:02:55,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:55,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:55,570 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) [2024-11-12 21:02:55,572 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 [2024-11-12 21:02:55,573 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 [2024-11-12 21:02:55,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:55,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:55,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:55,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:55,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:55,585 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:55,585 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:55,588 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:55,598 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 [2024-11-12 21:02:55,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:55,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:55,599 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) [2024-11-12 21:02:55,601 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 [2024-11-12 21:02:55,601 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 [2024-11-12 21:02:55,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:55,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:55,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:55,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:55,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:55,611 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:55,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:55,614 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:55,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-11-12 21:02:55,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:55,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:55,630 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) [2024-11-12 21:02:55,632 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 [2024-11-12 21:02:55,633 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 [2024-11-12 21:02:55,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:55,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:55,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:55,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:55,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:55,646 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:55,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:55,650 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:55,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-11-12 21:02:55,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:55,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:55,664 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) [2024-11-12 21:02:55,665 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 [2024-11-12 21:02:55,666 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 [2024-11-12 21:02:55,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:55,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:55,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:55,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:55,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:55,676 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:55,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:55,677 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:55,687 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 [2024-11-12 21:02:55,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:55,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:55,689 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:55,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-12 21:02:55,691 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 [2024-11-12 21:02:55,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:55,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:55,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:55,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:55,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:55,701 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:55,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:55,702 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:55,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2024-11-12 21:02:55,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:55,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:55,714 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:55,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-11-12 21:02:55,715 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 [2024-11-12 21:02:55,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:55,724 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:55,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:55,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:55,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:55,725 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:55,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:55,726 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:55,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2024-11-12 21:02:55,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:55,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:55,737 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:55,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-11-12 21:02:55,739 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 [2024-11-12 21:02:55,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:55,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:55,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:55,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:55,750 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:02:55,750 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:02:55,752 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:55,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2024-11-12 21:02:55,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:55,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:55,764 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:55,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-11-12 21:02:55,765 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 [2024-11-12 21:02:55,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:55,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:55,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:55,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:55,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:55,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:55,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:55,776 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:55,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2024-11-12 21:02:55,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:55,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:55,787 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:55,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-11-12 21:02:55,789 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 [2024-11-12 21:02:55,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:55,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:55,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:55,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:55,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:55,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:55,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:55,800 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:55,809 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-11-12 21:02:55,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:55,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:55,810 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:55,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-11-12 21:02:55,812 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 [2024-11-12 21:02:55,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:55,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:55,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:55,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:55,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:55,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:55,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:55,822 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:55,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-11-12 21:02:55,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:55,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:55,834 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:55,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-11-12 21:02:55,835 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 [2024-11-12 21:02:55,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:55,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:55,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:55,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:55,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:02:55,849 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:02:55,854 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:55,867 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-11-12 21:02:55,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:55,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:55,868 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:55,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-11-12 21:02:55,870 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-12 21:02:55,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:55,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:55,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:55,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:55,880 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:02:55,880 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:02:55,882 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:55,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2024-11-12 21:02:55,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:55,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:55,894 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:55,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-11-12 21:02:55,895 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 [2024-11-12 21:02:55,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:55,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:55,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:55,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:55,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:55,905 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:55,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:55,908 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:55,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2024-11-12 21:02:55,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:55,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:55,921 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:55,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-11-12 21:02:55,922 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 [2024-11-12 21:02:55,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:55,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:55,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:55,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:55,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:55,932 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:55,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:55,933 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:55,943 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2024-11-12 21:02:55,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:55,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:55,945 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:55,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-11-12 21:02:55,946 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 [2024-11-12 21:02:55,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:55,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:55,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:55,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:55,957 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:02:55,957 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:02:55,960 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:55,970 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2024-11-12 21:02:55,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:55,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:55,971 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:55,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-11-12 21:02:55,973 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 [2024-11-12 21:02:55,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:55,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:55,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:55,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:55,984 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:02:55,984 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:02:55,988 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:55,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-11-12 21:02:56,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:56,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:56,001 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:56,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-11-12 21:02:56,002 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 [2024-11-12 21:02:56,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:56,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:56,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:56,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:56,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:02:56,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:02:56,018 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:56,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2024-11-12 21:02:56,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:56,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:56,030 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:56,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-11-12 21:02:56,031 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 [2024-11-12 21:02:56,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:56,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:56,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:56,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:56,044 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:02:56,044 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:02:56,047 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:56,057 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2024-11-12 21:02:56,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:56,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:56,058 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:56,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-11-12 21:02:56,060 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 [2024-11-12 21:02:56,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:56,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:56,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:56,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:56,074 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:02:56,074 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:02:56,083 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 21:02:56,107 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2024-11-12 21:02:56,107 INFO L444 ModelExtractionUtils]: 2 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero. [2024-11-12 21:02:56,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:56,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:56,108 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:56,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-11-12 21:02:56,110 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 21:02:56,122 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-12 21:02:56,122 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 21:02:56,122 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, ULTIMATE.start_rangesum_~i~1#1) = 1*~N~0 - 1*ULTIMATE.start_rangesum_~i~1#1 Supporting invariants [] [2024-11-12 21:02:56,132 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2024-11-12 21:02:56,144 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2024-11-12 21:02:56,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:56,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 21:02:56,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:02:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:56,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 21:02:56,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:02:56,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 21:02:56,226 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 [2024-11-12 21:02:56,226 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 133 states and 159 transitions. cyclomatic complexity: 37 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:02:56,248 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 133 states and 159 transitions. cyclomatic complexity: 37. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 160 states and 188 transitions. Complement of second has 7 states. [2024-11-12 21:02:56,249 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 [2024-11-12 21:02:56,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:02:56,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2024-11-12 21:02:56,250 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 25 letters. Loop has 3 letters. [2024-11-12 21:02:56,250 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:02:56,250 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 28 letters. Loop has 3 letters. [2024-11-12 21:02:56,250 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:02:56,250 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 25 letters. Loop has 6 letters. [2024-11-12 21:02:56,250 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:02:56,250 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 160 states and 188 transitions. [2024-11-12 21:02:56,252 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 18 [2024-11-12 21:02:56,253 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 160 states to 142 states and 170 transitions. [2024-11-12 21:02:56,253 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 93 [2024-11-12 21:02:56,254 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 111 [2024-11-12 21:02:56,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 142 states and 170 transitions. [2024-11-12 21:02:56,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:02:56,254 INFO L218 hiAutomatonCegarLoop]: Abstraction has 142 states and 170 transitions. [2024-11-12 21:02:56,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states and 170 transitions. [2024-11-12 21:02:56,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 136. [2024-11-12 21:02:56,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 136 states have (on average 1.2058823529411764) internal successors, (164), 135 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:02:56,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 164 transitions. [2024-11-12 21:02:56,262 INFO L240 hiAutomatonCegarLoop]: Abstraction has 136 states and 164 transitions. [2024-11-12 21:02:56,262 INFO L426 stractBuchiCegarLoop]: Abstraction has 136 states and 164 transitions. [2024-11-12 21:02:56,262 INFO L333 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-12 21:02:56,262 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 164 transitions. [2024-11-12 21:02:56,263 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 18 [2024-11-12 21:02:56,263 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:02:56,264 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:02:56,266 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:02:56,266 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-12 21:02:56,266 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);~N~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~2#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet1#1, init_nondet_#t~post2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !(init_nondet_~i~0#1 < ~N~0);" "havoc init_nondet_#t~nondet1#1, init_nondet_#t~post2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;havoc init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem3#1, rangesum_#t~post4#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume !(rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2));" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume !(rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2));" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !(rangesum_~i~1#1 < ~N~0);" "assume !(0 != rangesum_~cnt~0#1);rangesum_#res#1 := 0;" "main_#t~ret6#1 := rangesum_#res#1;havoc rangesum_#t~mem3#1, rangesum_#t~post4#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;havoc rangesum_#in~x#1.base, rangesum_#in~x#1.offset;assume { :end_inline_rangesum } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem3#1, rangesum_#t~post4#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume !(rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2));" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume !(rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2));" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !(rangesum_~i~1#1 < ~N~0);" "assume !(0 != rangesum_~cnt~0#1);rangesum_#res#1 := 0;" "main_#t~ret9#1 := rangesum_#res#1;havoc rangesum_#t~mem3#1, rangesum_#t~post4#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;havoc rangesum_#in~x#1.base, rangesum_#in~x#1.offset;assume { :end_inline_rangesum } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~2#1 := 0;" [2024-11-12 21:02:56,266 INFO L749 eck$LassoCheckResult]: Loop: "assume !!(main_~i~2#1 < ~N~0 - 1);call main_#t~mem11#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~2#1), 4);call write~int#1(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~2#1, 4);havoc main_#t~mem11#1;" "main_#t~post12#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1;" [2024-11-12 21:02:56,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:56,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1751120697, now seen corresponding path program 1 times [2024-11-12 21:02:56,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:56,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221403290] [2024-11-12 21:02:56,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:56,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:56,286 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:02:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:56,299 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:02:56,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:56,299 INFO L85 PathProgramCache]: Analyzing trace with hash 3427, now seen corresponding path program 1 times [2024-11-12 21:02:56,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:56,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808838756] [2024-11-12 21:02:56,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:56,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:56,302 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:02:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:56,305 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:02:56,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:56,305 INFO L85 PathProgramCache]: Analyzing trace with hash 800192681, now seen corresponding path program 1 times [2024-11-12 21:02:56,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:56,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942073578] [2024-11-12 21:02:56,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:56,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:56,324 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:02:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:56,336 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:02:56,526 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2024-11-12 21:02:57,226 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 21:02:57,226 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 21:02:57,226 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 21:02:57,226 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 21:02:57,226 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 21:02:57,226 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:57,227 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 21:02:57,227 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 21:02:57,227 INFO L132 ssoRankerPreferences]: Filename of dumped script: rangesum.i_Iteration9_Lasso [2024-11-12 21:02:57,227 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 21:02:57,227 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 21:02:57,231 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,236 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,238 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,240 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,242 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,243 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,245 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,246 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,248 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,249 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,251 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,480 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,482 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,490 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,491 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,493 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,494 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,496 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,498 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,499 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,501 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,502 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,503 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,505 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,507 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,512 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,514 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,515 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:57,744 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 21:02:57,744 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 21:02:57,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:57,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:57,746 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:57,751 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 [2024-11-12 21:02:57,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-11-12 21:02:57,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:57,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:57,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:57,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:57,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:57,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:57,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:57,769 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:57,783 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2024-11-12 21:02:57,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:57,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:57,786 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:57,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-11-12 21:02:57,787 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 [2024-11-12 21:02:57,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:57,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:57,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:57,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:57,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:57,801 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:57,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:57,803 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:57,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2024-11-12 21:02:57,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:57,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:57,819 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:57,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2024-11-12 21:02:57,821 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 [2024-11-12 21:02:57,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:57,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:57,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:57,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:57,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:57,831 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:57,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:57,833 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:57,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2024-11-12 21:02:57,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:57,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:57,849 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:57,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2024-11-12 21:02:57,851 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 [2024-11-12 21:02:57,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:57,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:57,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:57,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:57,862 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:02:57,862 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:02:57,864 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:57,874 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2024-11-12 21:02:57,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:57,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:57,876 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:57,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2024-11-12 21:02:57,877 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 [2024-11-12 21:02:57,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:57,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:57,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:57,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:57,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:57,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:57,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:57,888 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:57,898 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2024-11-12 21:02:57,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:57,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:57,900 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:57,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2024-11-12 21:02:57,901 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 [2024-11-12 21:02:57,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:57,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:57,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:57,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:57,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:57,912 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:57,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:57,913 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:57,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2024-11-12 21:02:57,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:57,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:57,925 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:57,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2024-11-12 21:02:57,926 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 [2024-11-12 21:02:57,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:57,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:57,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:57,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:57,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:57,937 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:57,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:57,938 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:57,948 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2024-11-12 21:02:57,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:57,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:57,949 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:57,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2024-11-12 21:02:57,951 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 [2024-11-12 21:02:57,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:57,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:57,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:57,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:57,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:57,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:57,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:57,962 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:57,972 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2024-11-12 21:02:57,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:57,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:57,974 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:57,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2024-11-12 21:02:57,975 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 [2024-11-12 21:02:57,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:57,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:57,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:57,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:57,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:57,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:57,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:57,986 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:57,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2024-11-12 21:02:57,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:57,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:57,997 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:57,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2024-11-12 21:02:57,998 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 [2024-11-12 21:02:58,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:58,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:58,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:58,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:58,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:58,009 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:58,009 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:58,010 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:58,019 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2024-11-12 21:02:58,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:58,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:58,021 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:58,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2024-11-12 21:02:58,022 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 [2024-11-12 21:02:58,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:58,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:58,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:58,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:58,034 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:02:58,034 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:02:58,036 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:58,059 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2024-11-12 21:02:58,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:58,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:58,061 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:58,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2024-11-12 21:02:58,062 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 [2024-11-12 21:02:58,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:58,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:58,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:58,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:58,073 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:02:58,073 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:02:58,075 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:58,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2024-11-12 21:02:58,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:58,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:58,087 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:58,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2024-11-12 21:02:58,088 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 [2024-11-12 21:02:58,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:58,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:58,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:58,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:58,099 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:02:58,099 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:02:58,103 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:58,117 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2024-11-12 21:02:58,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:58,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:58,119 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:58,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2024-11-12 21:02:58,121 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 [2024-11-12 21:02:58,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:58,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:58,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:58,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:58,135 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:02:58,135 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:02:58,138 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:02:58,148 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2024-11-12 21:02:58,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:58,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:58,149 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:58,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2024-11-12 21:02:58,150 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 [2024-11-12 21:02:58,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:58,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:58,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:58,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:58,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:02:58,165 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:02:58,174 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 21:02:58,197 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-11-12 21:02:58,197 INFO L444 ModelExtractionUtils]: 1 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-11-12 21:02:58,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:58,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:58,199 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:58,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2024-11-12 21:02:58,201 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 21:02:58,211 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-12 21:02:58,212 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 21:02:58,212 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~2#1) = -2*ULTIMATE.start_main_~i~2#1 + 1 Supporting invariants [-1*~N~0 + 2 >= 0] [2024-11-12 21:02:58,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2024-11-12 21:02:58,235 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2024-11-12 21:02:58,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:58,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 21:02:58,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:02:58,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:58,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 21:02:58,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:02:58,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 21:02:58,492 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2024-11-12 21:02:58,492 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 136 states and 164 transitions. cyclomatic complexity: 39 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) [2024-11-12 21:02:58,597 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 136 states and 164 transitions. cyclomatic complexity: 39. 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 152 states and 184 transitions. Complement of second has 10 states. [2024-11-12 21:02:58,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 5 stem states 1 non-accepting loop states 2 accepting loop states [2024-11-12 21:02:58,599 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) [2024-11-12 21:02:58,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 47 transitions. [2024-11-12 21:02:58,599 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 47 transitions. Stem has 27 letters. Loop has 2 letters. [2024-11-12 21:02:58,599 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:02:58,599 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 47 transitions. Stem has 29 letters. Loop has 2 letters. [2024-11-12 21:02:58,599 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:02:58,599 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 47 transitions. Stem has 27 letters. Loop has 4 letters. [2024-11-12 21:02:58,600 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:02:58,600 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 152 states and 184 transitions. [2024-11-12 21:02:58,601 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 18 [2024-11-12 21:02:58,602 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 152 states to 129 states and 157 transitions. [2024-11-12 21:02:58,602 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 93 [2024-11-12 21:02:58,602 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 98 [2024-11-12 21:02:58,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 129 states and 157 transitions. [2024-11-12 21:02:58,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:02:58,606 INFO L218 hiAutomatonCegarLoop]: Abstraction has 129 states and 157 transitions. [2024-11-12 21:02:58,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states and 157 transitions. [2024-11-12 21:02:58,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 121. [2024-11-12 21:02:58,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 121 states have (on average 1.2148760330578512) internal successors, (147), 120 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:02:58,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 147 transitions. [2024-11-12 21:02:58,615 INFO L240 hiAutomatonCegarLoop]: Abstraction has 121 states and 147 transitions. [2024-11-12 21:02:58,615 INFO L426 stractBuchiCegarLoop]: Abstraction has 121 states and 147 transitions. [2024-11-12 21:02:58,615 INFO L333 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-12 21:02:58,615 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 121 states and 147 transitions. [2024-11-12 21:02:58,616 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 18 [2024-11-12 21:02:58,616 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:02:58,616 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:02:58,617 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:02:58,617 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-12 21:02:58,617 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);~N~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~2#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet1#1, init_nondet_#t~post2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !(init_nondet_~i~0#1 < ~N~0);" "havoc init_nondet_#t~nondet1#1, init_nondet_#t~post2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;havoc init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem3#1, rangesum_#t~post4#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume !(rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2));" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume !(rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2));" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !(rangesum_~i~1#1 < ~N~0);" "assume !(0 != rangesum_~cnt~0#1);rangesum_#res#1 := 0;" "main_#t~ret6#1 := rangesum_#res#1;havoc rangesum_#t~mem3#1, rangesum_#t~post4#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;havoc rangesum_#in~x#1.base, rangesum_#in~x#1.offset;assume { :end_inline_rangesum } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem3#1, rangesum_#t~post4#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume !(rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2));" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume !(rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2));" [2024-11-12 21:02:58,617 INFO L749 eck$LassoCheckResult]: Loop: "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume !(rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2));" [2024-11-12 21:02:58,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:58,618 INFO L85 PathProgramCache]: Analyzing trace with hash -639599214, now seen corresponding path program 1 times [2024-11-12 21:02:58,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:58,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641417489] [2024-11-12 21:02:58,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:58,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:58,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:02:58,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641417489] [2024-11-12 21:02:58,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641417489] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:02:58,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920065543] [2024-11-12 21:02:58,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:58,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:02:58,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:58,747 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:02:58,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (77)] Waiting until timeout for monitored process [2024-11-12 21:02:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:58,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 21:02:58,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:02:58,889 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:02:58,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920065543] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:02:58,970 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:02:58,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 17 [2024-11-12 21:02:58,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823214137] [2024-11-12 21:02:58,971 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:02:58,971 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 21:02:58,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:58,971 INFO L85 PathProgramCache]: Analyzing trace with hash 88159, now seen corresponding path program 1 times [2024-11-12 21:02:58,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:58,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048016752] [2024-11-12 21:02:58,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:58,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:58,975 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:02:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:02:58,977 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:02:59,011 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 21:02:59,012 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 21:02:59,012 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 21:02:59,012 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 21:02:59,012 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 21:02:59,012 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:59,012 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 21:02:59,012 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 21:02:59,012 INFO L132 ssoRankerPreferences]: Filename of dumped script: rangesum.i_Iteration10_Loop [2024-11-12 21:02:59,012 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 21:02:59,012 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 21:02:59,012 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:59,020 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:59,050 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 21:02:59,050 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 21:02:59,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:59,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:59,051 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:59,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2024-11-12 21:02:59,052 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 21:02:59,053 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:02:59,073 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2024-11-12 21:02:59,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:59,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:59,074 INFO L229 MonitoredProcess]: Starting monitored process 79 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:59,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2024-11-12 21:02:59,076 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 21:02:59,076 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:02:59,334 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 21:02:59,339 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2024-11-12 21:02:59,339 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 21:02:59,339 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 21:02:59,339 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 21:02:59,339 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 21:02:59,339 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 21:02:59,339 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:59,339 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 21:02:59,339 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 21:02:59,340 INFO L132 ssoRankerPreferences]: Filename of dumped script: rangesum.i_Iteration10_Loop [2024-11-12 21:02:59,340 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 21:02:59,340 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 21:02:59,340 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:59,347 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:02:59,379 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 21:02:59,379 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 21:02:59,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:59,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:59,380 INFO L229 MonitoredProcess]: Starting monitored process 80 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:59,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2024-11-12 21:02:59,381 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 [2024-11-12 21:02:59,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:02:59,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:02:59,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:02:59,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:02:59,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:02:59,392 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:02:59,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:02:59,394 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 21:02:59,396 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-12 21:02:59,396 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-12 21:02:59,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:02:59,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:59,397 INFO L229 MonitoredProcess]: Starting monitored process 81 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:02:59,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2024-11-12 21:02:59,398 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 21:02:59,398 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 21:02:59,398 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 21:02:59,398 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, ULTIMATE.start_rangesum_~i~1#1) = 1*~N~0 - 2*ULTIMATE.start_rangesum_~i~1#1 Supporting invariants [] [2024-11-12 21:02:59,408 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2024-11-12 21:02:59,409 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 21:02:59,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:59,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 21:02:59,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:02:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:59,481 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 21:02:59,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:02:59,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 21:02:59,498 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 [2024-11-12 21:02:59,499 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 121 states and 147 transitions. cyclomatic complexity: 37 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) [2024-11-12 21:02:59,523 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 121 states and 147 transitions. cyclomatic complexity: 37. 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 142 states and 170 transitions. Complement of second has 7 states. [2024-11-12 21:02:59,524 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 [2024-11-12 21:02:59,525 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) [2024-11-12 21:02:59,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2024-11-12 21:02:59,525 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 27 letters. Loop has 3 letters. [2024-11-12 21:02:59,526 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:02:59,526 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 30 letters. Loop has 3 letters. [2024-11-12 21:02:59,526 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:02:59,526 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 27 letters. Loop has 6 letters. [2024-11-12 21:02:59,526 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:02:59,526 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 170 transitions. [2024-11-12 21:02:59,527 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 15 [2024-11-12 21:02:59,528 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 128 states and 156 transitions. [2024-11-12 21:02:59,528 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 77 [2024-11-12 21:02:59,528 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 83 [2024-11-12 21:02:59,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128 states and 156 transitions. [2024-11-12 21:02:59,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:02:59,530 INFO L218 hiAutomatonCegarLoop]: Abstraction has 128 states and 156 transitions. [2024-11-12 21:02:59,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states and 156 transitions. [2024-11-12 21:02:59,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 125. [2024-11-12 21:02:59,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 125 states have (on average 1.216) internal successors, (152), 124 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:02:59,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 152 transitions. [2024-11-12 21:02:59,538 INFO L240 hiAutomatonCegarLoop]: Abstraction has 125 states and 152 transitions. [2024-11-12 21:02:59,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:02:59,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 21:02:59,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-12 21:02:59,539 INFO L87 Difference]: Start difference. First operand 125 states and 152 transitions. Second operand has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 17 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) [2024-11-12 21:02:59,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:02:59,841 INFO L93 Difference]: Finished difference Result 165 states and 190 transitions. [2024-11-12 21:02:59,842 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 165 states and 190 transitions. [2024-11-12 21:02:59,843 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 17 [2024-11-12 21:02:59,844 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 165 states to 152 states and 175 transitions. [2024-11-12 21:02:59,844 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 95 [2024-11-12 21:02:59,844 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 95 [2024-11-12 21:02:59,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 152 states and 175 transitions. [2024-11-12 21:02:59,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:02:59,844 INFO L218 hiAutomatonCegarLoop]: Abstraction has 152 states and 175 transitions. [2024-11-12 21:02:59,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states and 175 transitions. [2024-11-12 21:02:59,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 132. [2024-11-12 21:02:59,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 132 states have (on average 1.1590909090909092) internal successors, (153), 131 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:02:59,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 153 transitions. [2024-11-12 21:02:59,847 INFO L240 hiAutomatonCegarLoop]: Abstraction has 132 states and 153 transitions. [2024-11-12 21:02:59,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 21:02:59,849 INFO L426 stractBuchiCegarLoop]: Abstraction has 132 states and 153 transitions. [2024-11-12 21:02:59,850 INFO L333 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-11-12 21:02:59,850 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states and 153 transitions. [2024-11-12 21:02:59,851 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 15 [2024-11-12 21:02:59,851 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:02:59,851 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:02:59,852 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:02:59,852 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-12 21:02:59,852 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);~N~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~2#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet1#1, init_nondet_#t~post2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !(init_nondet_~i~0#1 < ~N~0);" "havoc init_nondet_#t~nondet1#1, init_nondet_#t~post2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;havoc init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem3#1, rangesum_#t~post4#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume !(rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2));" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume !(rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2));" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2);call rangesum_#t~mem3#1 := read~int#1(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem3#1;havoc rangesum_#t~mem3#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1;" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !(rangesum_~i~1#1 < ~N~0);" "assume !(0 != rangesum_~cnt~0#1);rangesum_#res#1 := 0;" "main_#t~ret6#1 := rangesum_#res#1;havoc rangesum_#t~mem3#1, rangesum_#t~post4#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;havoc rangesum_#in~x#1.base, rangesum_#in~x#1.offset;assume { :end_inline_rangesum } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem3#1, rangesum_#t~post4#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume !(rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2));" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume !(rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2));" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2);call rangesum_#t~mem3#1 := read~int#1(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem3#1;havoc rangesum_#t~mem3#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1;" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !(rangesum_~i~1#1 < ~N~0);" "assume !(0 != rangesum_~cnt~0#1);rangesum_#res#1 := 0;" "main_#t~ret9#1 := rangesum_#res#1;havoc rangesum_#t~mem3#1, rangesum_#t~post4#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;havoc rangesum_#in~x#1.base, rangesum_#in~x#1.offset;assume { :end_inline_rangesum } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~2#1 := 0;" [2024-11-12 21:02:59,852 INFO L749 eck$LassoCheckResult]: Loop: "assume !!(main_~i~2#1 < ~N~0 - 1);call main_#t~mem11#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~2#1), 4);call write~int#1(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~2#1, 4);havoc main_#t~mem11#1;" "main_#t~post12#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1;" [2024-11-12 21:02:59,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:02:59,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1886582872, now seen corresponding path program 1 times [2024-11-12 21:02:59,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:02:59,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033498778] [2024-11-12 21:02:59,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:59,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:02:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:02:59,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2024-11-12 21:02:59,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:02:59,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033498778] [2024-11-12 21:02:59,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033498778] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:02:59,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511298419] [2024-11-12 21:02:59,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:02:59,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:02:59,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:02:59,960 INFO L229 MonitoredProcess]: Starting monitored process 82 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:02:59,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2024-11-12 21:02:59,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (82)] Waiting until timeout for monitored process [2024-11-12 21:03:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:03:00,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 21:03:00,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:03:00,074 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:03:00,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1511298419] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:03:00,092 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:03:00,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2024-11-12 21:03:00,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753286302] [2024-11-12 21:03:00,093 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:03:00,093 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 21:03:00,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:03:00,093 INFO L85 PathProgramCache]: Analyzing trace with hash 3427, now seen corresponding path program 2 times [2024-11-12 21:03:00,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:03:00,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830955566] [2024-11-12 21:03:00,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:03:00,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:03:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:03:00,097 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:03:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:03:00,099 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:03:00,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:03:00,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 21:03:00,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 21:03:00,161 INFO L87 Difference]: Start difference. First operand 132 states and 153 transitions. cyclomatic complexity: 33 Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:03:00,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:03:00,193 INFO L93 Difference]: Finished difference Result 144 states and 165 transitions. [2024-11-12 21:03:00,193 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 144 states and 165 transitions. [2024-11-12 21:03:00,194 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 18 [2024-11-12 21:03:00,195 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 144 states to 144 states and 165 transitions. [2024-11-12 21:03:00,195 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 89 [2024-11-12 21:03:00,195 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 89 [2024-11-12 21:03:00,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 144 states and 165 transitions. [2024-11-12 21:03:00,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:03:00,195 INFO L218 hiAutomatonCegarLoop]: Abstraction has 144 states and 165 transitions. [2024-11-12 21:03:00,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states and 165 transitions. [2024-11-12 21:03:00,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 132. [2024-11-12 21:03:00,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 132 states have (on average 1.1136363636363635) internal successors, (147), 131 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:03:00,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 147 transitions. [2024-11-12 21:03:00,198 INFO L240 hiAutomatonCegarLoop]: Abstraction has 132 states and 147 transitions. [2024-11-12 21:03:00,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 21:03:00,199 INFO L426 stractBuchiCegarLoop]: Abstraction has 132 states and 147 transitions. [2024-11-12 21:03:00,199 INFO L333 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2024-11-12 21:03:00,199 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states and 147 transitions. [2024-11-12 21:03:00,200 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 15 [2024-11-12 21:03:00,200 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:03:00,200 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:03:00,201 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:03:00,201 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-12 21:03:00,201 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);~N~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~2#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;" "assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet1#1, init_nondet_#t~post2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !!(init_nondet_~i~0#1 < ~N~0);havoc init_nondet_#t~nondet1#1;call write~int#1(init_nondet_#t~nondet1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet1#1;" "init_nondet_#t~post2#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post2#1;havoc init_nondet_#t~post2#1;" "assume !(init_nondet_~i~0#1 < ~N~0);" "havoc init_nondet_#t~nondet1#1, init_nondet_#t~post2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;havoc init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem3#1, rangesum_#t~post4#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume !(rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2));" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume !(rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2));" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2);call rangesum_#t~mem3#1 := read~int#1(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem3#1;havoc rangesum_#t~mem3#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1;" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !(rangesum_~i~1#1 < ~N~0);" "assume 0 != rangesum_~cnt~0#1;rangesum_#res#1 := (if (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 <= 2147483647 then (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 else (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 - 4294967296);" "main_#t~ret6#1 := rangesum_#res#1;havoc rangesum_#t~mem3#1, rangesum_#t~post4#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;havoc rangesum_#in~x#1.base, rangesum_#in~x#1.offset;assume { :end_inline_rangesum } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem3#1, rangesum_#t~post4#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume !(rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2));" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume !(rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2));" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !!(rangesum_~i~1#1 < ~N~0);" "assume rangesum_~i~1#1 > (if ~N~0 < 0 && 0 != ~N~0 % 2 then 1 + ~N~0 / 2 else ~N~0 / 2);call rangesum_#t~mem3#1 := read~int#1(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem3#1;havoc rangesum_#t~mem3#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1;" "rangesum_#t~post4#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post4#1;havoc rangesum_#t~post4#1;" "assume !(rangesum_~i~1#1 < ~N~0);" "assume 0 != rangesum_~cnt~0#1;rangesum_#res#1 := (if (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 <= 2147483647 then (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 else (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 - 4294967296);" "main_#t~ret9#1 := rangesum_#res#1;havoc rangesum_#t~mem3#1, rangesum_#t~post4#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;havoc rangesum_#in~x#1.base, rangesum_#in~x#1.offset;assume { :end_inline_rangesum } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~2#1 := 0;" [2024-11-12 21:03:00,202 INFO L749 eck$LassoCheckResult]: Loop: "assume !!(main_~i~2#1 < ~N~0 - 1);call main_#t~mem11#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~2#1), 4);call write~int#1(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~2#1, 4);havoc main_#t~mem11#1;" "main_#t~post12#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1;" [2024-11-12 21:03:00,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:03:00,202 INFO L85 PathProgramCache]: Analyzing trace with hash -875465684, now seen corresponding path program 1 times [2024-11-12 21:03:00,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:03:00,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236073117] [2024-11-12 21:03:00,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:03:00,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:03:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 21:03:00,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [495002943] [2024-11-12 21:03:00,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:03:00,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:03:00,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:03:00,267 INFO L229 MonitoredProcess]: Starting monitored process 83 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:03:00,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (83)] Waiting until timeout for monitored process [2024-11-12 21:03:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:03:00,370 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:03:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:03:00,412 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:03:00,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:03:00,414 INFO L85 PathProgramCache]: Analyzing trace with hash 3427, now seen corresponding path program 3 times [2024-11-12 21:03:00,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:03:00,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17954143] [2024-11-12 21:03:00,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:03:00,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:03:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:03:00,418 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:03:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:03:00,422 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:03:00,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:03:00,422 INFO L85 PathProgramCache]: Analyzing trace with hash 491070158, now seen corresponding path program 1 times [2024-11-12 21:03:00,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:03:00,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899193467] [2024-11-12 21:03:00,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:03:00,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:03:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 21:03:00,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [13750606] [2024-11-12 21:03:00,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:03:00,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:03:00,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:03:00,485 INFO L229 MonitoredProcess]: Starting monitored process 84 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:03:00,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (84)] Waiting until timeout for monitored process [2024-11-12 21:03:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:03:00,589 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:03:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:03:00,630 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:03:27,988 WARN L286 SmtUtils]: Spent 24.11s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-12 21:03:40,022 WARN L286 SmtUtils]: Spent 12.03s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-12 21:03:52,050 WARN L286 SmtUtils]: Spent 12.03s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-12 21:04:16,493 WARN L286 SmtUtils]: Spent 24.44s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)