./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursified_loop-simple/recursified_nested_2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursified_loop-simple/recursified_nested_2.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 1a590e2514668f126114e4312bb6236a04cce9502b393533b5b4bfd230be904b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-12 01:01:27,598 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 01:01:27,671 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-12 01:01:27,678 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 01:01:27,679 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 01:01:27,717 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 01:01:27,720 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 01:01:27,721 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 01:01:27,722 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 01:01:27,723 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 01:01:27,723 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 01:01:27,724 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 01:01:27,724 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 01:01:27,725 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-12 01:01:27,727 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-12 01:01:27,727 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-12 01:01:27,728 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-12 01:01:27,728 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-12 01:01:27,728 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-12 01:01:27,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 01:01:27,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-12 01:01:27,730 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 01:01:27,731 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 01:01:27,731 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 01:01:27,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 01:01:27,732 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-12 01:01:27,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-12 01:01:27,732 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-12 01:01:27,733 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 01:01:27,733 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-12 01:01:27,733 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 01:01:27,734 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 01:01:27,734 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-12 01:01:27,735 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 01:01:27,735 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 01:01:27,735 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 01:01:27,736 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 01:01:27,736 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 01:01:27,737 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-12 01:01:27,738 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a590e2514668f126114e4312bb6236a04cce9502b393533b5b4bfd230be904b [2024-10-12 01:01:27,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 01:01:28,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 01:01:28,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 01:01:28,032 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 01:01:28,034 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 01:01:28,035 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursified_loop-simple/recursified_nested_2.c [2024-10-12 01:01:29,654 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 01:01:29,849 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 01:01:29,849 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursified_loop-simple/recursified_nested_2.c [2024-10-12 01:01:29,856 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/634fc3b64/4f296722733941bd8b8d966276a205d7/FLAGc0aa0f0f5 [2024-10-12 01:01:29,875 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/634fc3b64/4f296722733941bd8b8d966276a205d7 [2024-10-12 01:01:29,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 01:01:29,880 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 01:01:29,883 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 01:01:29,883 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 01:01:29,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 01:01:29,890 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:01:29" (1/1) ... [2024-10-12 01:01:29,893 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ede24c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:01:29, skipping insertion in model container [2024-10-12 01:01:29,893 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:01:29" (1/1) ... [2024-10-12 01:01:29,917 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 01:01:30,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 01:01:30,123 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 01:01:30,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 01:01:30,152 INFO L204 MainTranslator]: Completed translation [2024-10-12 01:01:30,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:01:30 WrapperNode [2024-10-12 01:01:30,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 01:01:30,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 01:01:30,154 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 01:01:30,154 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 01:01:30,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:01:30" (1/1) ... [2024-10-12 01:01:30,169 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:01:30" (1/1) ... [2024-10-12 01:01:30,185 INFO L138 Inliner]: procedures = 13, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2024-10-12 01:01:30,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 01:01:30,186 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 01:01:30,187 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 01:01:30,187 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 01:01:30,196 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:01:30" (1/1) ... [2024-10-12 01:01:30,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:01:30" (1/1) ... [2024-10-12 01:01:30,198 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:01:30" (1/1) ... [2024-10-12 01:01:30,213 INFO L175 MemorySlicer]: Split 14 memory accesses to 3 slices as follows [2, 6, 6]. 43 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 1, 1]. The 4 writes are split as follows [0, 2, 2]. [2024-10-12 01:01:30,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:01:30" (1/1) ... [2024-10-12 01:01:30,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:01:30" (1/1) ... [2024-10-12 01:01:30,226 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:01:30" (1/1) ... [2024-10-12 01:01:30,228 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:01:30" (1/1) ... [2024-10-12 01:01:30,229 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:01:30" (1/1) ... [2024-10-12 01:01:30,230 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:01:30" (1/1) ... [2024-10-12 01:01:30,232 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 01:01:30,233 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 01:01:30,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 01:01:30,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 01:01:30,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:01:30" (1/1) ... [2024-10-12 01:01:30,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:30,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:30,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:30,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-12 01:01:30,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 01:01:30,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 01:01:30,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-12 01:01:30,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-12 01:01:30,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-12 01:01:30,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-12 01:01:30,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-12 01:01:30,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-12 01:01:30,346 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_21_0 [2024-10-12 01:01:30,346 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_21_0 [2024-10-12 01:01:30,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 01:01:30,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 01:01:30,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-12 01:01:30,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-12 01:01:30,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-12 01:01:30,349 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_21_to_21_0 [2024-10-12 01:01:30,349 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_21_to_21_0 [2024-10-12 01:01:30,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-12 01:01:30,452 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 01:01:30,454 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 01:01:30,598 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-10-12 01:01:30,598 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 01:01:30,610 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 01:01:30,610 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-12 01:01:30,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:01:30 BoogieIcfgContainer [2024-10-12 01:01:30,611 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 01:01:30,612 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-12 01:01:30,612 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-12 01:01:30,615 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-12 01:01:30,615 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 01:01:30,615 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.10 01:01:29" (1/3) ... [2024-10-12 01:01:30,616 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e99d914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 01:01:30, skipping insertion in model container [2024-10-12 01:01:30,616 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 01:01:30,617 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:01:30" (2/3) ... [2024-10-12 01:01:30,617 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e99d914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 01:01:30, skipping insertion in model container [2024-10-12 01:01:30,617 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 01:01:30,617 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:01:30" (3/3) ... [2024-10-12 01:01:30,618 INFO L332 chiAutomizerObserver]: Analyzing ICFG recursified_nested_2.c [2024-10-12 01:01:30,664 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-12 01:01:30,664 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-12 01:01:30,664 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-12 01:01:30,664 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-12 01:01:30,664 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-12 01:01:30,664 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-12 01:01:30,664 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-12 01:01:30,665 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-12 01:01:30,668 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-12 01:01:30,684 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-10-12 01:01:30,684 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 01:01:30,684 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 01:01:30,690 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-12 01:01:30,690 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 01:01:30,690 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-12 01:01:30,691 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-12 01:01:30,693 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-10-12 01:01:30,693 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 01:01:30,693 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 01:01:30,694 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-12 01:01:30,694 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 01:01:30,701 INFO L745 eck$LassoCheckResult]: Stem: 19#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#1(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#2(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 21#L65true call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 22#$Ultimate##0true [2024-10-12 01:01:30,702 INFO L747 eck$LassoCheckResult]: Loop: 22#$Ultimate##0true ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#2(~a.base, ~a.offset, 4); 10#L41true assume #t~mem7 < 6;havoc #t~mem7;call write~int#1(0, ~b.base, ~b.offset, 4); 14#L47true call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 11#$Ultimate##0true ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 8#L25true assume !(#t~mem4 < 6);havoc #t~mem4; 4#L25-1true assume true; 13#func_to_recursive_line_21_to_21_0EXITtrue >#44#return; 18#L47-1true call #t~mem8 := read~int#2(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int#2(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9; 5#L52true call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);< 22#$Ultimate##0true [2024-10-12 01:01:30,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 01:01:30,707 INFO L85 PathProgramCache]: Analyzing trace with hash 40812, now seen corresponding path program 1 times [2024-10-12 01:01:30,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 01:01:30,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334501451] [2024-10-12 01:01:30,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 01:01:30,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 01:01:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 01:01:30,843 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 01:01:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 01:01:30,880 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 01:01:30,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 01:01:30,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1256528503, now seen corresponding path program 1 times [2024-10-12 01:01:30,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 01:01:30,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772858230] [2024-10-12 01:01:30,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 01:01:30,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 01:01:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:31,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 01:01:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:31,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 01:01:31,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 01:01:31,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772858230] [2024-10-12 01:01:31,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772858230] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 01:01:31,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 01:01:31,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-12 01:01:31,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812445137] [2024-10-12 01:01:31,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 01:01:31,314 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-12 01:01:31,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 01:01:31,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-12 01:01:31,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-12 01:01:31,353 INFO L87 Difference]: Start difference. First operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-12 01:01:31,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 01:01:31,478 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2024-10-12 01:01:31,480 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 31 transitions. [2024-10-12 01:01:31,485 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-10-12 01:01:31,492 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 15 states and 17 transitions. [2024-10-12 01:01:31,494 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-10-12 01:01:31,494 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-10-12 01:01:31,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 17 transitions. [2024-10-12 01:01:31,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 01:01:31,496 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-10-12 01:01:31,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 17 transitions. [2024-10-12 01:01:31,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-10-12 01:01:31,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 10 states have internal predecessors, (10), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-12 01:01:31,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2024-10-12 01:01:31,524 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-10-12 01:01:31,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-12 01:01:31,529 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-10-12 01:01:31,530 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-12 01:01:31,530 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2024-10-12 01:01:31,531 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-10-12 01:01:31,532 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 01:01:31,532 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 01:01:31,532 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-12 01:01:31,533 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 01:01:31,533 INFO L745 eck$LassoCheckResult]: Stem: 82#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 77#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#1(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#2(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 74#L65 call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 75#$Ultimate##0 [2024-10-12 01:01:31,533 INFO L747 eck$LassoCheckResult]: Loop: 75#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#2(~a.base, ~a.offset, 4); 78#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int#1(0, ~b.base, ~b.offset, 4); 70#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 79#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 76#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 71#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 79#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 76#L25 assume !(#t~mem4 < 6);havoc #t~mem4; 69#L25-1 assume true; 72#func_to_recursive_line_21_to_21_0EXIT >#50#return; 80#L25-1 assume true; 83#func_to_recursive_line_21_to_21_0EXIT >#44#return; 81#L47-1 call #t~mem8 := read~int#2(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int#2(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9; 73#L52 call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);< 75#$Ultimate##0 [2024-10-12 01:01:31,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 01:01:31,534 INFO L85 PathProgramCache]: Analyzing trace with hash 40812, now seen corresponding path program 2 times [2024-10-12 01:01:31,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 01:01:31,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804531149] [2024-10-12 01:01:31,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 01:01:31,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 01:01:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 01:01:31,556 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 01:01:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 01:01:31,579 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 01:01:31,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 01:01:31,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1085452703, now seen corresponding path program 1 times [2024-10-12 01:01:31,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 01:01:31,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842273160] [2024-10-12 01:01:31,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 01:01:31,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 01:01:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:31,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 01:01:31,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:32,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 01:01:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:32,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-12 01:01:32,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 01:01:32,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842273160] [2024-10-12 01:01:32,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842273160] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 01:01:32,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460656750] [2024-10-12 01:01:32,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 01:01:32,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 01:01:32,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:32,158 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 01:01:32,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-12 01:01:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:32,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-10-12 01:01:32,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 01:01:32,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-12 01:01:32,538 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-12 01:01:32,539 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 01:01:32,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 01:01:32,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460656750] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 01:01:32,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 01:01:32,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 22 [2024-10-12 01:01:32,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423283339] [2024-10-12 01:01:32,963 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 01:01:32,965 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-12 01:01:32,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 01:01:32,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-12 01:01:32,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=371, Unknown=0, NotChecked=0, Total=462 [2024-10-12 01:01:32,967 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. cyclomatic complexity: 4 Second operand has 22 states, 16 states have (on average 1.375) internal successors, (22), 19 states have internal predecessors, (22), 7 states have call successors, (7), 4 states have call predecessors, (7), 5 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-12 01:01:33,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 01:01:33,196 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2024-10-12 01:01:33,196 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 21 transitions. [2024-10-12 01:01:33,197 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-10-12 01:01:33,198 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 21 transitions. [2024-10-12 01:01:33,198 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2024-10-12 01:01:33,199 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2024-10-12 01:01:33,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 21 transitions. [2024-10-12 01:01:33,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 01:01:33,199 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2024-10-12 01:01:33,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 21 transitions. [2024-10-12 01:01:33,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-10-12 01:01:33,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 12 states have internal predecessors, (12), 4 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-12 01:01:33,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2024-10-12 01:01:33,202 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2024-10-12 01:01:33,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-12 01:01:33,203 INFO L425 stractBuchiCegarLoop]: Abstraction has 19 states and 21 transitions. [2024-10-12 01:01:33,203 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-12 01:01:33,203 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 21 transitions. [2024-10-12 01:01:33,204 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-10-12 01:01:33,204 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 01:01:33,204 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 01:01:33,206 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-12 01:01:33,206 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 01:01:33,206 INFO L745 eck$LassoCheckResult]: Stem: 242#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 237#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#1(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#2(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 234#L65 call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 235#$Ultimate##0 [2024-10-12 01:01:33,219 INFO L747 eck$LassoCheckResult]: Loop: 235#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#2(~a.base, ~a.offset, 4); 238#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int#1(0, ~b.base, ~b.offset, 4); 231#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 239#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 236#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 230#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 239#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 236#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 230#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 239#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 236#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 230#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 239#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 236#L25 assume !(#t~mem4 < 6);havoc #t~mem4; 229#L25-1 assume true; 232#func_to_recursive_line_21_to_21_0EXIT >#50#return; 240#L25-1 assume true; 247#func_to_recursive_line_21_to_21_0EXIT >#50#return; 246#L25-1 assume true; 245#func_to_recursive_line_21_to_21_0EXIT >#50#return; 244#L25-1 assume true; 243#func_to_recursive_line_21_to_21_0EXIT >#44#return; 241#L47-1 call #t~mem8 := read~int#2(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int#2(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9; 233#L52 call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);< 235#$Ultimate##0 [2024-10-12 01:01:33,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 01:01:33,220 INFO L85 PathProgramCache]: Analyzing trace with hash 40812, now seen corresponding path program 3 times [2024-10-12 01:01:33,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 01:01:33,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076667696] [2024-10-12 01:01:33,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 01:01:33,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 01:01:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 01:01:33,235 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 01:01:33,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 01:01:33,250 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 01:01:33,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 01:01:33,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1462582353, now seen corresponding path program 2 times [2024-10-12 01:01:33,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 01:01:33,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983937138] [2024-10-12 01:01:33,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 01:01:33,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 01:01:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:33,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 01:01:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:33,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 01:01:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:34,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 01:01:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:34,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 01:01:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:34,146 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-12 01:01:34,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 01:01:34,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983937138] [2024-10-12 01:01:34,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983937138] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 01:01:34,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603773810] [2024-10-12 01:01:34,146 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-12 01:01:34,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 01:01:34,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:34,173 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 01:01:34,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-12 01:01:34,243 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-12 01:01:34,243 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-12 01:01:34,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-10-12 01:01:34,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 01:01:34,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-12 01:01:34,591 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-12 01:01:34,591 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 01:01:35,574 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 01:01:35,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [603773810] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 01:01:35,575 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 01:01:35,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 18] total 29 [2024-10-12 01:01:35,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285511701] [2024-10-12 01:01:35,576 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 01:01:35,576 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-12 01:01:35,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 01:01:35,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-10-12 01:01:35,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=639, Unknown=0, NotChecked=0, Total=812 [2024-10-12 01:01:35,578 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. cyclomatic complexity: 4 Second operand has 29 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 24 states have internal predecessors, (27), 8 states have call successors, (8), 6 states have call predecessors, (8), 8 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2024-10-12 01:01:35,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 01:01:35,777 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2024-10-12 01:01:35,777 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 23 transitions. [2024-10-12 01:01:35,778 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-10-12 01:01:35,778 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 21 states and 23 transitions. [2024-10-12 01:01:35,779 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2024-10-12 01:01:35,781 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2024-10-12 01:01:35,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 23 transitions. [2024-10-12 01:01:35,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 01:01:35,781 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 23 transitions. [2024-10-12 01:01:35,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 23 transitions. [2024-10-12 01:01:35,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-10-12 01:01:35,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 13 states have internal predecessors, (13), 4 states have call successors, (4), 2 states have call predecessors, (4), 5 states have return successors, (6), 5 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-12 01:01:35,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2024-10-12 01:01:35,785 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 23 transitions. [2024-10-12 01:01:35,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-12 01:01:35,787 INFO L425 stractBuchiCegarLoop]: Abstraction has 21 states and 23 transitions. [2024-10-12 01:01:35,787 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-12 01:01:35,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 23 transitions. [2024-10-12 01:01:35,789 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-10-12 01:01:35,789 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 01:01:35,789 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 01:01:35,790 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-12 01:01:35,790 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 01:01:35,790 INFO L745 eck$LassoCheckResult]: Stem: 507#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 502#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#1(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#2(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 498#L65 call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 499#$Ultimate##0 [2024-10-12 01:01:35,791 INFO L747 eck$LassoCheckResult]: Loop: 499#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#2(~a.base, ~a.offset, 4); 503#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int#1(0, ~b.base, ~b.offset, 4); 495#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 504#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 500#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 494#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 504#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 500#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 494#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 504#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 500#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 494#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 504#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 500#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 494#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 504#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 500#L25 assume !(#t~mem4 < 6);havoc #t~mem4; 501#L25-1 assume true; 505#func_to_recursive_line_21_to_21_0EXIT >#50#return; 493#L25-1 assume true; 496#func_to_recursive_line_21_to_21_0EXIT >#50#return; 513#L25-1 assume true; 512#func_to_recursive_line_21_to_21_0EXIT >#50#return; 511#L25-1 assume true; 510#func_to_recursive_line_21_to_21_0EXIT >#50#return; 509#L25-1 assume true; 508#func_to_recursive_line_21_to_21_0EXIT >#44#return; 506#L47-1 call #t~mem8 := read~int#2(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int#2(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9; 497#L52 call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);< 499#$Ultimate##0 [2024-10-12 01:01:35,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 01:01:35,791 INFO L85 PathProgramCache]: Analyzing trace with hash 40812, now seen corresponding path program 4 times [2024-10-12 01:01:35,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 01:01:35,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400787350] [2024-10-12 01:01:35,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 01:01:35,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 01:01:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 01:01:35,802 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 01:01:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 01:01:35,810 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 01:01:35,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 01:01:35,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1353511273, now seen corresponding path program 3 times [2024-10-12 01:01:35,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 01:01:35,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108186536] [2024-10-12 01:01:35,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 01:01:35,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 01:01:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:36,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 01:01:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:36,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 01:01:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:36,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 01:01:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:36,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 01:01:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:36,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 01:01:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:36,750 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-12 01:01:36,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 01:01:36,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108186536] [2024-10-12 01:01:36,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108186536] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 01:01:36,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028530490] [2024-10-12 01:01:36,751 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-12 01:01:36,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 01:01:36,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:36,755 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 01:01:36,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-12 01:01:36,837 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-10-12 01:01:36,837 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-12 01:01:36,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-10-12 01:01:36,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 01:01:36,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-12 01:01:37,186 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-12 01:01:37,186 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 01:01:38,587 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 01:01:38,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028530490] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 01:01:38,588 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 01:01:38,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 22] total 34 [2024-10-12 01:01:38,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586574178] [2024-10-12 01:01:38,589 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 01:01:38,590 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-12 01:01:38,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 01:01:38,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-10-12 01:01:38,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=887, Unknown=0, NotChecked=0, Total=1122 [2024-10-12 01:01:38,591 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. cyclomatic complexity: 4 Second operand has 34 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 28 states have internal predecessors, (31), 9 states have call successors, (9), 7 states have call predecessors, (9), 10 states have return successors, (15), 9 states have call predecessors, (15), 8 states have call successors, (15) [2024-10-12 01:01:38,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 01:01:38,800 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2024-10-12 01:01:38,800 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 25 transitions. [2024-10-12 01:01:38,801 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-10-12 01:01:38,803 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 25 transitions. [2024-10-12 01:01:38,804 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2024-10-12 01:01:38,804 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2024-10-12 01:01:38,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 25 transitions. [2024-10-12 01:01:38,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 01:01:38,805 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 25 transitions. [2024-10-12 01:01:38,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 25 transitions. [2024-10-12 01:01:38,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2024-10-12 01:01:38,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 14 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 6 states have return successors, (7), 6 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-12 01:01:38,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2024-10-12 01:01:38,811 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 25 transitions. [2024-10-12 01:01:38,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 01:01:38,812 INFO L425 stractBuchiCegarLoop]: Abstraction has 23 states and 25 transitions. [2024-10-12 01:01:38,812 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-12 01:01:38,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 25 transitions. [2024-10-12 01:01:38,813 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-10-12 01:01:38,813 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 01:01:38,813 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 01:01:38,814 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-12 01:01:38,814 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 01:01:38,814 INFO L745 eck$LassoCheckResult]: Stem: 834#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 829#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#1(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#2(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 825#L65 call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 826#$Ultimate##0 [2024-10-12 01:01:38,814 INFO L747 eck$LassoCheckResult]: Loop: 826#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#2(~a.base, ~a.offset, 4); 830#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int#1(0, ~b.base, ~b.offset, 4); 821#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 831#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 827#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 822#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 831#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 827#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 822#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 831#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 827#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 822#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 831#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 827#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 822#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 831#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 827#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 822#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 831#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 827#L25 assume !(#t~mem4 < 6);havoc #t~mem4; 828#L25-1 assume true; 832#func_to_recursive_line_21_to_21_0EXIT >#50#return; 820#L25-1 assume true; 823#func_to_recursive_line_21_to_21_0EXIT >#50#return; 842#L25-1 assume true; 841#func_to_recursive_line_21_to_21_0EXIT >#50#return; 840#L25-1 assume true; 839#func_to_recursive_line_21_to_21_0EXIT >#50#return; 838#L25-1 assume true; 837#func_to_recursive_line_21_to_21_0EXIT >#50#return; 836#L25-1 assume true; 835#func_to_recursive_line_21_to_21_0EXIT >#44#return; 833#L47-1 call #t~mem8 := read~int#2(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int#2(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9; 824#L52 call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);< 826#$Ultimate##0 [2024-10-12 01:01:38,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 01:01:38,815 INFO L85 PathProgramCache]: Analyzing trace with hash 40812, now seen corresponding path program 5 times [2024-10-12 01:01:38,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 01:01:38,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213340663] [2024-10-12 01:01:38,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 01:01:38,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 01:01:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 01:01:38,822 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 01:01:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 01:01:38,830 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 01:01:38,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 01:01:38,832 INFO L85 PathProgramCache]: Analyzing trace with hash 892489151, now seen corresponding path program 4 times [2024-10-12 01:01:38,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 01:01:38,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939546818] [2024-10-12 01:01:38,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 01:01:38,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 01:01:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:39,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 01:01:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:39,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 01:01:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:39,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 01:01:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:39,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 01:01:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:40,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 01:01:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:40,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 01:01:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:40,153 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 35 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-12 01:01:40,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 01:01:40,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939546818] [2024-10-12 01:01:40,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939546818] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 01:01:40,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014190027] [2024-10-12 01:01:40,153 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-12 01:01:40,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 01:01:40,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:40,158 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 01:01:40,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-12 01:01:40,255 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-12 01:01:40,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-12 01:01:40,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-10-12 01:01:40,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 01:01:40,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-12 01:01:40,677 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-12 01:01:40,678 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 01:01:42,463 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 01:01:42,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1014190027] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 01:01:42,463 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 01:01:42,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 26] total 42 [2024-10-12 01:01:42,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495079312] [2024-10-12 01:01:42,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 01:01:42,464 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-12 01:01:42,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 01:01:42,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-10-12 01:01:42,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=339, Invalid=1383, Unknown=0, NotChecked=0, Total=1722 [2024-10-12 01:01:42,466 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. cyclomatic complexity: 4 Second operand has 42 states, 32 states have (on average 1.1875) internal successors, (38), 35 states have internal predecessors, (38), 11 states have call successors, (12), 8 states have call predecessors, (12), 13 states have return successors, (18), 12 states have call predecessors, (18), 10 states have call successors, (18) [2024-10-12 01:01:42,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 01:01:42,797 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2024-10-12 01:01:42,797 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 27 transitions. [2024-10-12 01:01:42,798 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-10-12 01:01:42,799 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 27 transitions. [2024-10-12 01:01:42,799 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2024-10-12 01:01:42,799 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2024-10-12 01:01:42,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 27 transitions. [2024-10-12 01:01:42,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 01:01:42,799 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 27 transitions. [2024-10-12 01:01:42,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 27 transitions. [2024-10-12 01:01:42,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-10-12 01:01:42,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 15 states have internal predecessors, (15), 4 states have call successors, (4), 2 states have call predecessors, (4), 7 states have return successors, (8), 7 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-12 01:01:42,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2024-10-12 01:01:42,803 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 27 transitions. [2024-10-12 01:01:42,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-12 01:01:42,806 INFO L425 stractBuchiCegarLoop]: Abstraction has 25 states and 27 transitions. [2024-10-12 01:01:42,806 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-12 01:01:42,807 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 27 transitions. [2024-10-12 01:01:42,807 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-10-12 01:01:42,807 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 01:01:42,807 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 01:01:42,808 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-12 01:01:42,808 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [7, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 01:01:42,808 INFO L745 eck$LassoCheckResult]: Stem: 1240#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 1235#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#1(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#2(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 1231#L65 call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 1232#$Ultimate##0 [2024-10-12 01:01:42,808 INFO L747 eck$LassoCheckResult]: Loop: 1232#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#2(~a.base, ~a.offset, 4); 1236#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int#1(0, ~b.base, ~b.offset, 4); 1227#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1237#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1233#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1228#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1237#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1233#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1228#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1237#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1233#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1228#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1237#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1233#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1228#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1237#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1233#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1228#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1237#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1233#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1228#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1237#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1233#L25 assume !(#t~mem4 < 6);havoc #t~mem4; 1234#L25-1 assume true; 1238#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1226#L25-1 assume true; 1229#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1250#L25-1 assume true; 1249#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1248#L25-1 assume true; 1247#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1246#L25-1 assume true; 1245#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1244#L25-1 assume true; 1243#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1242#L25-1 assume true; 1241#func_to_recursive_line_21_to_21_0EXIT >#44#return; 1239#L47-1 call #t~mem8 := read~int#2(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int#2(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9; 1230#L52 call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);< 1232#$Ultimate##0 [2024-10-12 01:01:42,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 01:01:42,809 INFO L85 PathProgramCache]: Analyzing trace with hash 40812, now seen corresponding path program 6 times [2024-10-12 01:01:42,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 01:01:42,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712518812] [2024-10-12 01:01:42,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 01:01:42,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 01:01:42,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 01:01:42,817 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 01:01:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 01:01:42,823 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 01:01:42,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 01:01:42,824 INFO L85 PathProgramCache]: Analyzing trace with hash -288932697, now seen corresponding path program 5 times [2024-10-12 01:01:42,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 01:01:42,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347593780] [2024-10-12 01:01:42,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 01:01:42,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 01:01:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 01:01:42,845 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 01:01:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 01:01:42,864 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 01:01:42,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 01:01:42,865 INFO L85 PathProgramCache]: Analyzing trace with hash -253400356, now seen corresponding path program 1 times [2024-10-12 01:01:42,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 01:01:42,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710506000] [2024-10-12 01:01:42,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 01:01:42,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 01:01:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 01:01:42,884 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 01:01:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 01:01:42,914 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 01:01:44,991 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 01:01:44,991 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 01:01:44,991 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 01:01:44,992 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 01:01:44,992 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 01:01:44,992 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:44,992 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 01:01:44,992 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 01:01:44,992 INFO L132 ssoRankerPreferences]: Filename of dumped script: recursified_nested_2.c_Iteration6_Lasso [2024-10-12 01:01:44,992 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 01:01:44,993 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 01:01:45,009 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:45,016 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:45,034 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:45,037 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:45,039 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:45,041 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:45,043 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:45,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:45,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:45,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:45,481 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:45,483 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:45,485 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:45,486 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:45,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:45,490 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:45,492 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:45,761 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 01:01:45,765 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 01:01:45,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:45,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:45,768 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:45,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-12 01:01:45,770 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 [2024-10-12 01:01:45,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:45,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 01:01:45,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:45,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:45,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:45,783 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 01:01:45,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 01:01:45,785 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:45,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-12 01:01:45,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:45,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:45,798 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:45,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-12 01:01:45,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 01:01:45,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:45,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:45,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:45,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:45,813 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 01:01:45,813 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 01:01:45,821 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:45,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-10-12 01:01:45,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:45,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:45,843 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:45,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-12 01:01:45,846 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 [2024-10-12 01:01:45,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:45,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:45,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:45,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:45,861 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 01:01:45,861 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 01:01:45,864 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:45,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-10-12 01:01:45,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:45,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:45,882 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:45,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-12 01:01:45,884 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 [2024-10-12 01:01:45,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:45,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 01:01:45,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:45,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:45,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:45,895 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 01:01:45,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 01:01:45,896 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:45,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-12 01:01:45,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:45,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:45,908 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:45,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-12 01:01:45,911 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 [2024-10-12 01:01:45,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:45,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 01:01:45,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:45,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:45,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:45,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 01:01:45,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 01:01:45,926 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:45,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-10-12 01:01:45,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:45,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:45,941 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:45,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-12 01:01:45,945 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 [2024-10-12 01:01:45,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:45,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 01:01:45,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:45,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:45,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:45,958 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 01:01:45,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 01:01:45,960 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:45,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-10-12 01:01:45,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:45,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:45,974 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:45,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-12 01:01:45,976 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 [2024-10-12 01:01:45,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:45,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:45,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:45,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:45,989 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 01:01:45,989 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 01:01:45,994 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:46,009 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-12 01:01:46,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:46,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:46,012 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:46,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-12 01:01:46,015 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 [2024-10-12 01:01:46,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:46,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:46,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:46,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:46,032 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 01:01:46,036 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 01:01:46,042 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:46,057 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-12 01:01:46,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:46,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:46,059 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:46,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-12 01:01:46,062 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 [2024-10-12 01:01:46,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:46,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:46,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:46,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:46,078 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 01:01:46,078 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 01:01:46,082 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:46,098 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-12 01:01:46,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:46,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:46,100 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:46,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-12 01:01:46,103 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 [2024-10-12 01:01:46,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:46,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:46,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:46,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:46,117 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 01:01:46,117 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 01:01:46,123 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:46,134 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-12 01:01:46,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:46,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:46,136 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:46,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-12 01:01:46,138 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 [2024-10-12 01:01:46,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:46,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:46,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:46,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:46,152 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 01:01:46,152 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 01:01:46,157 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:46,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-10-12 01:01:46,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:46,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:46,175 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:46,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-12 01:01:46,179 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 [2024-10-12 01:01:46,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:46,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:46,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:46,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:46,194 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 01:01:46,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 01:01:46,198 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:46,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-12 01:01:46,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:46,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:46,217 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:46,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-12 01:01:46,219 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 [2024-10-12 01:01:46,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:46,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:46,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:46,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:46,233 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 01:01:46,233 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 01:01:46,239 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:46,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-10-12 01:01:46,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:46,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:46,256 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:46,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-12 01:01:46,260 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 [2024-10-12 01:01:46,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:46,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:46,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:46,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:46,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 01:01:46,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 01:01:46,278 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:46,292 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-10-12 01:01:46,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:46,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:46,294 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:46,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-12 01:01:46,297 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 [2024-10-12 01:01:46,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:46,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:46,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:46,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:46,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 01:01:46,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 01:01:46,316 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 01:01:46,333 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-10-12 01:01:46,333 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-10-12 01:01:46,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:46,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:46,343 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:46,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-12 01:01:46,345 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 01:01:46,368 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-12 01:01:46,369 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 01:01:46,369 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#2 func_to_recursive_line_20_to_21_0_#in~a.base) func_to_recursive_line_20_to_21_0_#in~a.offset)_1) = -2*v_rep(select (select #memory_int#2 func_to_recursive_line_20_to_21_0_#in~a.base) func_to_recursive_line_20_to_21_0_#in~a.offset)_1 + 11 Supporting invariants [] [2024-10-12 01:01:46,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-10-12 01:01:46,418 INFO L156 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2024-10-12 01:01:46,425 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-10-12 01:01:46,426 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-10-12 01:01:46,426 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[#in~a!base,]]] [2024-10-12 01:01:46,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 01:01:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:46,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 01:01:46,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 01:01:46,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:46,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-12 01:01:46,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 01:01:46,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2024-10-12 01:01:46,880 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-10-12 01:01:46,884 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2024-10-12 01:01:46,885 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 27 transitions. cyclomatic complexity: 4 Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-12 01:01:47,031 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 27 transitions. cyclomatic complexity: 4. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 89 states and 97 transitions. Complement of second has 19 states. [2024-10-12 01:01:47,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2024-10-12 01:01:47,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-12 01:01:47,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2024-10-12 01:01:47,036 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 3 letters. Loop has 39 letters. [2024-10-12 01:01:47,037 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 01:01:47,037 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 42 letters. Loop has 39 letters. [2024-10-12 01:01:47,038 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 01:01:47,038 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 3 letters. Loop has 78 letters. [2024-10-12 01:01:47,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 01:01:47,039 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 89 states and 97 transitions. [2024-10-12 01:01:47,041 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-12 01:01:47,043 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 89 states to 45 states and 51 transitions. [2024-10-12 01:01:47,043 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-10-12 01:01:47,043 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-10-12 01:01:47,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 51 transitions. [2024-10-12 01:01:47,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 01:01:47,044 INFO L218 hiAutomatonCegarLoop]: Abstraction has 45 states and 51 transitions. [2024-10-12 01:01:47,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 51 transitions. [2024-10-12 01:01:47,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 34. [2024-10-12 01:01:47,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 7 states have call successors, (7), 5 states have call predecessors, (7), 7 states have return successors, (8), 7 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-12 01:01:47,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2024-10-12 01:01:47,048 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 38 transitions. [2024-10-12 01:01:47,048 INFO L425 stractBuchiCegarLoop]: Abstraction has 34 states and 38 transitions. [2024-10-12 01:01:47,048 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-10-12 01:01:47,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 38 transitions. [2024-10-12 01:01:47,049 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-12 01:01:47,049 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 01:01:47,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 01:01:47,049 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-12 01:01:47,049 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-12 01:01:47,050 INFO L745 eck$LassoCheckResult]: Stem: 1573#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 1564#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#1(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#2(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 1558#L65 call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 1574#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#2(~a.base, ~a.offset, 4); 1565#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int#1(0, ~b.base, ~b.offset, 4); 1562#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1568#$Ultimate##0 [2024-10-12 01:01:47,050 INFO L747 eck$LassoCheckResult]: Loop: 1568#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1560#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1561#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1568#$Ultimate##0 [2024-10-12 01:01:47,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 01:01:47,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1215830428, now seen corresponding path program 1 times [2024-10-12 01:01:47,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 01:01:47,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056366881] [2024-10-12 01:01:47,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 01:01:47,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 01:01:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 01:01:47,060 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 01:01:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 01:01:47,068 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 01:01:47,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 01:01:47,069 INFO L85 PathProgramCache]: Analyzing trace with hash 63661, now seen corresponding path program 1 times [2024-10-12 01:01:47,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 01:01:47,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733771079] [2024-10-12 01:01:47,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 01:01:47,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 01:01:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 01:01:47,078 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 01:01:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 01:01:47,084 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 01:01:47,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 01:01:47,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1345107250, now seen corresponding path program 1 times [2024-10-12 01:01:47,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 01:01:47,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539719642] [2024-10-12 01:01:47,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 01:01:47,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 01:01:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 01:01:47,094 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 01:01:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 01:01:47,102 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 01:01:47,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-10-12 01:01:48,142 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 01:01:48,142 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 01:01:48,142 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 01:01:48,142 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 01:01:48,142 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 01:01:48,142 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:48,143 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 01:01:48,143 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 01:01:48,143 INFO L132 ssoRankerPreferences]: Filename of dumped script: recursified_nested_2.c_Iteration7_Lasso [2024-10-12 01:01:48,143 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 01:01:48,143 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 01:01:48,145 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:48,148 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:48,151 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:48,153 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:48,156 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:48,158 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:48,403 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:48,405 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:48,407 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:48,409 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:48,411 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:48,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:48,416 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:48,424 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:48,426 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:48,428 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:48,430 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:48,432 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:48,433 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:48,435 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:48,437 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:48,442 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:48,444 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:48,445 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:48,446 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:48,670 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 01:01:48,670 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 01:01:48,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:48,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:48,672 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:48,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-12 01:01:48,674 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 [2024-10-12 01:01:48,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:48,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 01:01:48,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:48,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:48,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:48,686 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 01:01:48,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 01:01:48,688 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:48,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-10-12 01:01:48,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:48,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:48,706 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:48,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-12 01:01:48,708 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 [2024-10-12 01:01:48,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:48,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 01:01:48,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:48,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:48,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:48,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 01:01:48,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 01:01:48,725 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:48,740 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-10-12 01:01:48,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:48,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:48,742 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:48,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-12 01:01:48,744 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 [2024-10-12 01:01:48,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:48,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 01:01:48,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:48,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:48,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:48,755 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 01:01:48,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 01:01:48,756 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:48,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-10-12 01:01:48,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:48,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:48,768 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:48,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-12 01:01:48,770 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 [2024-10-12 01:01:48,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:48,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 01:01:48,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:48,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:48,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:48,781 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 01:01:48,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 01:01:48,782 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:48,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-10-12 01:01:48,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:48,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:48,795 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:48,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-12 01:01:48,796 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 [2024-10-12 01:01:48,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:48,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:48,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:48,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:48,808 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 01:01:48,808 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 01:01:48,810 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:48,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-10-12 01:01:48,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:48,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:48,822 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:48,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-12 01:01:48,824 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 [2024-10-12 01:01:48,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:48,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:48,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:48,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:48,835 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 01:01:48,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 01:01:48,838 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:48,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-10-12 01:01:48,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:48,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:48,850 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:48,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-12 01:01:48,852 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 [2024-10-12 01:01:48,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:48,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:48,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:48,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:48,863 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 01:01:48,863 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 01:01:48,867 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:48,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-10-12 01:01:48,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:48,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:48,880 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:48,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-12 01:01:48,882 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 [2024-10-12 01:01:48,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:48,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:48,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:48,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:48,902 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 01:01:48,902 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 01:01:48,911 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 01:01:48,927 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-10-12 01:01:48,928 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 4 variables to zero. [2024-10-12 01:01:48,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:48,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:48,930 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:48,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-12 01:01:48,932 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 01:01:48,943 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2024-10-12 01:01:48,943 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 01:01:48,943 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select old(#memory_int#1) func_to_recursive_line_21_to_21_0_#in~b.base) 0)_1) = -2*v_rep(select (select old(#memory_int#1) func_to_recursive_line_21_to_21_0_#in~b.base) 0)_1 + 11 Supporting invariants [-1*v_rep(select (select old(#memory_int#1) func_to_recursive_line_21_to_21_0_#in~b.base) 0)_1 + 1*v_rep(select (select #memory_int#1 func_to_recursive_line_21_to_21_0_#in~b.base) func_to_recursive_line_21_to_21_0_#in~b.offset)_1 >= 0, -1*v_rep(select (select old(#memory_int#1) func_to_recursive_line_21_to_21_0_#in~b.base) 0)_1 + 1*v_rep(select (select #memory_int#1 func_to_recursive_line_21_to_21_0_#in~b.base) 0)_1 >= 0] [2024-10-12 01:01:48,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-10-12 01:01:48,969 INFO L156 tatePredicateManager]: 6 out of 8 supporting invariants were superfluous and have been removed [2024-10-12 01:01:48,973 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-10-12 01:01:48,973 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int#1,GLOBAL]] [2024-10-12 01:01:48,974 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int#1,GLOBAL]],[IdentifierExpression[#in~b!base,]]] [2024-10-12 01:01:48,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 01:01:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:49,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-12 01:01:49,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 01:01:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:49,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-12 01:01:49,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 01:01:49,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2024-10-12 01:01:49,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2024-10-12 01:01:49,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 01:01:49,149 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 3 loop predicates [2024-10-12 01:01:49,149 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 38 transitions. cyclomatic complexity: 7 Second operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 01:01:49,266 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 38 transitions. cyclomatic complexity: 7. Second operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 62 states and 74 transitions. Complement of second has 17 states. [2024-10-12 01:01:49,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-12 01:01:49,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 01:01:49,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2024-10-12 01:01:49,267 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 11 transitions. Stem has 6 letters. Loop has 3 letters. [2024-10-12 01:01:49,268 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 01:01:49,268 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 11 transitions. Stem has 9 letters. Loop has 3 letters. [2024-10-12 01:01:49,268 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 01:01:49,268 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 11 transitions. Stem has 6 letters. Loop has 6 letters. [2024-10-12 01:01:49,268 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 01:01:49,268 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 74 transitions. [2024-10-12 01:01:49,269 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-12 01:01:49,271 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 45 states and 56 transitions. [2024-10-12 01:01:49,271 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-10-12 01:01:49,271 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-10-12 01:01:49,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 56 transitions. [2024-10-12 01:01:49,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 01:01:49,271 INFO L218 hiAutomatonCegarLoop]: Abstraction has 45 states and 56 transitions. [2024-10-12 01:01:49,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 56 transitions. [2024-10-12 01:01:49,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-10-12 01:01:49,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 30 states have internal predecessors, (30), 10 states have call successors, (10), 7 states have call predecessors, (10), 8 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2024-10-12 01:01:49,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions. [2024-10-12 01:01:49,276 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 56 transitions. [2024-10-12 01:01:49,276 INFO L425 stractBuchiCegarLoop]: Abstraction has 45 states and 56 transitions. [2024-10-12 01:01:49,276 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-10-12 01:01:49,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 56 transitions. [2024-10-12 01:01:49,277 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-12 01:01:49,277 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 01:01:49,277 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 01:01:49,278 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 01:01:49,278 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-12 01:01:49,278 INFO L745 eck$LassoCheckResult]: Stem: 1778#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 1768#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#1(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#2(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 1762#L65 call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 1779#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#2(~a.base, ~a.offset, 4); 1780#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int#1(0, ~b.base, ~b.offset, 4); 1782#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1801#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1800#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1759#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1776#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1767#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1758#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1776#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1767#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1758#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1776#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1767#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1758#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1776#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1767#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1758#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1776#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1767#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1758#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1776#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1795#L25 assume !(#t~mem4 < 6);havoc #t~mem4; 1757#L25-1 assume true; 1760#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1775#L25-1 assume true; 1794#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1793#L25-1 assume true; 1792#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1791#L25-1 assume true; 1790#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1789#L25-1 assume true; 1788#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1787#L25-1 assume true; 1784#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1783#L25-1 assume true; 1781#func_to_recursive_line_21_to_21_0EXIT >#44#return; 1777#L47-1 call #t~mem8 := read~int#2(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int#2(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9; 1761#L52 call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);< 1763#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#2(~a.base, ~a.offset, 4); 1769#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int#1(0, ~b.base, ~b.offset, 4); 1765#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1772#$Ultimate##0 [2024-10-12 01:01:49,279 INFO L747 eck$LassoCheckResult]: Loop: 1772#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1764#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1766#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1772#$Ultimate##0 [2024-10-12 01:01:49,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 01:01:49,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1502500908, now seen corresponding path program 2 times [2024-10-12 01:01:49,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 01:01:49,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624258365] [2024-10-12 01:01:49,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 01:01:49,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 01:01:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 01:01:49,306 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 01:01:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 01:01:49,327 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 01:01:49,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 01:01:49,327 INFO L85 PathProgramCache]: Analyzing trace with hash 63661, now seen corresponding path program 2 times [2024-10-12 01:01:49,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 01:01:49,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443401821] [2024-10-12 01:01:49,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 01:01:49,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 01:01:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 01:01:49,332 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 01:01:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 01:01:49,336 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 01:01:49,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 01:01:49,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1144574814, now seen corresponding path program 3 times [2024-10-12 01:01:49,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 01:01:49,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606663382] [2024-10-12 01:01:49,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 01:01:49,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 01:01:49,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 01:01:49,356 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 01:01:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 01:01:49,378 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 01:01:49,782 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-10-12 01:01:51,869 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 01:01:51,870 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 01:01:51,870 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 01:01:51,870 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 01:01:51,870 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 01:01:51,870 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:51,870 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 01:01:51,870 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 01:01:51,870 INFO L132 ssoRankerPreferences]: Filename of dumped script: recursified_nested_2.c_Iteration8_Lasso [2024-10-12 01:01:51,870 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 01:01:51,870 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 01:01:51,872 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:51,874 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:51,876 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:51,877 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:51,879 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:51,880 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:51,882 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:51,883 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:51,884 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:51,886 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:51,888 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:51,889 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:51,891 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:51,901 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:51,903 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:51,904 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:51,905 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:51,907 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:52,168 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:52,170 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:52,172 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:52,173 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:52,176 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:52,178 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:52,180 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:52,182 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:52,184 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 01:01:52,429 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 01:01:52,429 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 01:01:52,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:52,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:52,431 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:52,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-12 01:01:52,434 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 [2024-10-12 01:01:52,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:52,447 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 01:01:52,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:52,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:52,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:52,448 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 01:01:52,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 01:01:52,452 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:52,467 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-10-12 01:01:52,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:52,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:52,468 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:52,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-12 01:01:52,470 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 [2024-10-12 01:01:52,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:52,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 01:01:52,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:52,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:52,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:52,480 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 01:01:52,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 01:01:52,482 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:52,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-10-12 01:01:52,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:52,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:52,494 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:52,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-12 01:01:52,495 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 [2024-10-12 01:01:52,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:52,505 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 01:01:52,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:52,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:52,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:52,506 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 01:01:52,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 01:01:52,507 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:52,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-10-12 01:01:52,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:52,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:52,520 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:52,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-12 01:01:52,522 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 [2024-10-12 01:01:52,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:52,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 01:01:52,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:52,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:52,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:52,533 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 01:01:52,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 01:01:52,534 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:52,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-10-12 01:01:52,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:52,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:52,547 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:52,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-12 01:01:52,549 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 [2024-10-12 01:01:52,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:52,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 01:01:52,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:52,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:52,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:52,560 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 01:01:52,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 01:01:52,561 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:52,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-10-12 01:01:52,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:52,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:52,575 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:52,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-12 01:01:52,578 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 [2024-10-12 01:01:52,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:52,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 01:01:52,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:52,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:52,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:52,591 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 01:01:52,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 01:01:52,592 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:52,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-10-12 01:01:52,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:52,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:52,604 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:52,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-12 01:01:52,605 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 [2024-10-12 01:01:52,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:52,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 01:01:52,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:52,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:52,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:52,616 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 01:01:52,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 01:01:52,617 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:52,628 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-10-12 01:01:52,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:52,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:52,629 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:52,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-12 01:01:52,631 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 [2024-10-12 01:01:52,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:52,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 01:01:52,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:52,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:52,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:52,642 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 01:01:52,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 01:01:52,643 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:52,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-10-12 01:01:52,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:52,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:52,655 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:52,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-10-12 01:01:52,657 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 [2024-10-12 01:01:52,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:52,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 01:01:52,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:52,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:52,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:52,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 01:01:52,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 01:01:52,668 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:52,679 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-10-12 01:01:52,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:52,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:52,681 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:52,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-10-12 01:01:52,685 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 [2024-10-12 01:01:52,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:52,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 01:01:52,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:52,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:52,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:52,697 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 01:01:52,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 01:01:52,698 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:52,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-10-12 01:01:52,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:52,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:52,710 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:52,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-10-12 01:01:52,712 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 [2024-10-12 01:01:52,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:52,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:52,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:52,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:52,724 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 01:01:52,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 01:01:52,728 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:52,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-10-12 01:01:52,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:52,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:52,749 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:52,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-10-12 01:01:52,752 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 [2024-10-12 01:01:52,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:52,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:52,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:52,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:52,767 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 01:01:52,767 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 01:01:52,770 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:52,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-10-12 01:01:52,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:52,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:52,782 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:52,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-10-12 01:01:52,784 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 [2024-10-12 01:01:52,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:52,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 01:01:52,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:52,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:52,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:52,795 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 01:01:52,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 01:01:52,796 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:52,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-10-12 01:01:52,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:52,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:52,809 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:52,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-10-12 01:01:52,812 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 [2024-10-12 01:01:52,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:52,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 01:01:52,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:52,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:52,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:52,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 01:01:52,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 01:01:52,824 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:52,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-10-12 01:01:52,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:52,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:52,836 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:52,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-10-12 01:01:52,838 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 [2024-10-12 01:01:52,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:52,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 01:01:52,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:52,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:52,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:52,849 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 01:01:52,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 01:01:52,850 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:52,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2024-10-12 01:01:52,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:52,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:52,862 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:52,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-10-12 01:01:52,865 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 [2024-10-12 01:01:52,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:52,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 01:01:52,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:52,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:52,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:52,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 01:01:52,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 01:01:52,877 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:52,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2024-10-12 01:01:52,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:52,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:52,889 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:52,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-10-12 01:01:52,891 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 [2024-10-12 01:01:52,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:52,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:52,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:52,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:52,903 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 01:01:52,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 01:01:52,907 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:52,917 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2024-10-12 01:01:52,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:52,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:52,919 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:52,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-10-12 01:01:52,921 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 [2024-10-12 01:01:52,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:52,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:52,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:52,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:52,932 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 01:01:52,932 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 01:01:52,936 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:52,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2024-10-12 01:01:52,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:52,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:52,953 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:52,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-10-12 01:01:52,956 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 [2024-10-12 01:01:52,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:52,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:52,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:52,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:52,971 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 01:01:52,971 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 01:01:52,975 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:52,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2024-10-12 01:01:52,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:52,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:52,987 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:52,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-10-12 01:01:52,989 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 [2024-10-12 01:01:52,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:52,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:52,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:52,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:53,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 01:01:53,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 01:01:53,004 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:53,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2024-10-12 01:01:53,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:53,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:53,016 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:53,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-10-12 01:01:53,018 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 [2024-10-12 01:01:53,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:53,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:53,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:53,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:53,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 01:01:53,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 01:01:53,033 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:53,048 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-10-12 01:01:53,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:53,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:53,050 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:53,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-10-12 01:01:53,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 01:01:53,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:53,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:53,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:53,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:53,063 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 01:01:53,063 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 01:01:53,066 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:53,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2024-10-12 01:01:53,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:53,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:53,078 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:53,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-10-12 01:01:53,080 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 [2024-10-12 01:01:53,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:53,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:53,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:53,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:53,092 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 01:01:53,092 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 01:01:53,096 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:53,107 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2024-10-12 01:01:53,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:53,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:53,109 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:53,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-10-12 01:01:53,110 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 [2024-10-12 01:01:53,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:53,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:53,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:53,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:53,122 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 01:01:53,122 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 01:01:53,125 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:53,135 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2024-10-12 01:01:53,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:53,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:53,137 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:53,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-10-12 01:01:53,139 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 [2024-10-12 01:01:53,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:53,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:53,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:53,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:53,150 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 01:01:53,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 01:01:53,152 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 01:01:53,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2024-10-12 01:01:53,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:53,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:53,165 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:53,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-10-12 01:01:53,166 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 [2024-10-12 01:01:53,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 01:01:53,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 01:01:53,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 01:01:53,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 01:01:53,182 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 01:01:53,182 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 01:01:53,192 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 01:01:53,218 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-10-12 01:01:53,218 INFO L444 ModelExtractionUtils]: 1 out of 16 variables were initially zero. Simplification set additionally 12 variables to zero. [2024-10-12 01:01:53,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 01:01:53,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 01:01:53,220 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 01:01:53,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-10-12 01:01:53,221 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 01:01:53,232 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-12 01:01:53,232 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 01:01:53,232 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 func_to_recursive_line_21_to_21_0_#in~b.base) 0)_2) = -2*v_rep(select (select #memory_int#1 func_to_recursive_line_21_to_21_0_#in~b.base) 0)_2 + 11 Supporting invariants [] [2024-10-12 01:01:53,243 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-10-12 01:01:53,254 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2024-10-12 01:01:53,255 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-10-12 01:01:53,256 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-10-12 01:01:53,256 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[#in~b!base,]]] [2024-10-12 01:01:53,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 01:01:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:53,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-10-12 01:01:53,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 01:01:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:53,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-12 01:01:53,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 01:01:53,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2024-10-12 01:01:53,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 01:01:53,809 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 3 loop predicates [2024-10-12 01:01:53,809 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 56 transitions. cyclomatic complexity: 15 Second operand has 9 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-12 01:01:53,979 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 56 transitions. cyclomatic complexity: 15. Second operand has 9 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 52 states and 63 transitions. Complement of second has 18 states. [2024-10-12 01:01:53,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 5 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-12 01:01:53,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-12 01:01:53,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2024-10-12 01:01:53,982 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 11 transitions. Stem has 45 letters. Loop has 3 letters. [2024-10-12 01:01:53,982 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 01:01:53,982 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-12 01:01:54,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 01:01:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:54,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-10-12 01:01:54,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 01:01:54,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2024-10-12 01:01:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:54,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-12 01:01:54,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 01:01:54,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2024-10-12 01:01:54,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 01:01:54,550 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.6 stem predicates 3 loop predicates [2024-10-12 01:01:54,550 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 56 transitions. cyclomatic complexity: 15 Second operand has 9 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-12 01:01:54,731 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 56 transitions. cyclomatic complexity: 15. Second operand has 9 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 52 states and 63 transitions. Complement of second has 18 states. [2024-10-12 01:01:54,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 5 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-12 01:01:54,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-12 01:01:54,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2024-10-12 01:01:54,733 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 11 transitions. Stem has 45 letters. Loop has 3 letters. [2024-10-12 01:01:54,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 01:01:54,733 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-12 01:01:54,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 01:01:54,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:54,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-10-12 01:01:54,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 01:01:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 01:01:55,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-12 01:01:55,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 01:01:55,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2024-10-12 01:01:55,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 01:01:55,284 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.6 stem predicates 3 loop predicates [2024-10-12 01:01:55,285 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 56 transitions. cyclomatic complexity: 15 Second operand has 9 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-12 01:01:55,491 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 56 transitions. cyclomatic complexity: 15. Second operand has 9 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 67 states and 78 transitions. Complement of second has 22 states. [2024-10-12 01:01:55,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-12 01:01:55,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 5 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-12 01:01:55,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 21 transitions. [2024-10-12 01:01:55,493 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 21 transitions. Stem has 45 letters. Loop has 3 letters. [2024-10-12 01:01:55,493 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 01:01:55,494 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 21 transitions. Stem has 48 letters. Loop has 3 letters. [2024-10-12 01:01:55,494 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 01:01:55,494 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 21 transitions. Stem has 45 letters. Loop has 6 letters. [2024-10-12 01:01:55,494 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 01:01:55,495 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 78 transitions. [2024-10-12 01:01:55,496 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-12 01:01:55,496 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 0 states and 0 transitions. [2024-10-12 01:01:55,496 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-12 01:01:55,496 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-12 01:01:55,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-12 01:01:55,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 01:01:55,497 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 01:01:55,497 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 01:01:55,497 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 01:01:55,497 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-10-12 01:01:55,497 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-12 01:01:55,497 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-12 01:01:55,497 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-12 01:01:55,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 01:01:55 BoogieIcfgContainer [2024-10-12 01:01:55,503 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-12 01:01:55,503 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 01:01:55,503 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 01:01:55,503 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 01:01:55,504 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:01:30" (3/4) ... [2024-10-12 01:01:55,505 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-12 01:01:55,506 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 01:01:55,506 INFO L158 Benchmark]: Toolchain (without parser) took 25626.50ms. Allocated memory was 176.2MB in the beginning and 453.0MB in the end (delta: 276.8MB). Free memory was 108.6MB in the beginning and 263.3MB in the end (delta: -154.7MB). Peak memory consumption was 125.2MB. Max. memory is 16.1GB. [2024-10-12 01:01:55,506 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 176.2MB. Free memory was 133.9MB in the beginning and 133.7MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 01:01:55,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.14ms. Allocated memory is still 176.2MB. Free memory was 108.3MB in the beginning and 96.8MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-12 01:01:55,507 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.78ms. Allocated memory is still 176.2MB. Free memory was 96.6MB in the beginning and 95.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 01:01:55,507 INFO L158 Benchmark]: Boogie Preprocessor took 45.90ms. Allocated memory is still 176.2MB. Free memory was 95.2MB in the beginning and 93.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 01:01:55,507 INFO L158 Benchmark]: RCFGBuilder took 377.77ms. Allocated memory is still 176.2MB. Free memory was 93.3MB in the beginning and 139.3MB in the end (delta: -46.0MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2024-10-12 01:01:55,507 INFO L158 Benchmark]: BuchiAutomizer took 24891.11ms. Allocated memory was 176.2MB in the beginning and 453.0MB in the end (delta: 276.8MB). Free memory was 139.3MB in the beginning and 264.3MB in the end (delta: -125.0MB). Peak memory consumption was 153.8MB. Max. memory is 16.1GB. [2024-10-12 01:01:55,507 INFO L158 Benchmark]: Witness Printer took 2.44ms. Allocated memory is still 453.0MB. Free memory is still 263.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 01:01:55,509 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 176.2MB. Free memory was 133.9MB in the beginning and 133.7MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.14ms. Allocated memory is still 176.2MB. Free memory was 108.3MB in the beginning and 96.8MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.78ms. Allocated memory is still 176.2MB. Free memory was 96.6MB in the beginning and 95.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.90ms. Allocated memory is still 176.2MB. Free memory was 95.2MB in the beginning and 93.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 377.77ms. Allocated memory is still 176.2MB. Free memory was 93.3MB in the beginning and 139.3MB in the end (delta: -46.0MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 24891.11ms. Allocated memory was 176.2MB in the beginning and 453.0MB in the end (delta: 276.8MB). Free memory was 139.3MB in the beginning and 264.3MB in the end (delta: -125.0MB). Peak memory consumption was 153.8MB. Max. memory is 16.1GB. * Witness Printer took 2.44ms. Allocated memory is still 453.0MB. Free memory is still 263.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[#in~a!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int#1,GLOBAL]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int#1,GLOBAL]],[IdentifierExpression[#in~b!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[#in~b!base,]]] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 8 terminating modules (5 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 6 locations. One deterministic module has affine ranking function null and consists of 8 locations. One nondeterministic module has affine ranking function null and consists of 10 locations. 5 modules have a trivial ranking function, the largest among these consists of 42 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 24.8s and 9 iterations. TraceHistogramMax:7. Analysis of lassos took 20.3s. Construction of modules took 0.6s. Büchi inclusion checks took 3.7s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 11 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 99/99 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 228 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 227 mSDsluCounter, 483 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 381 mSDsCounter, 242 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 664 IncrementalHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 242 mSolverCounterUnsat, 102 mSDtfsCounter, 664 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI5 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital201 mio100 ax100 hnf100 lsp93 ukn72 mio100 lsp25 div100 bol100 ite100 ukn100 eq217 hnf86 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-12 01:01:55,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-12 01:01:55,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-12 01:01:55,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-12 01:01:56,132 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-12 01:01:56,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE