./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e27d2e3e94b55a3b3138a7f2b03714931363cb725f69630c5958681cf34de99e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:14:10,776 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:14:10,835 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:14:10,840 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:14:10,841 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:14:10,841 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:14:10,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:14:10,873 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:14:10,873 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:14:10,875 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:14:10,875 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:14:10,875 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:14:10,876 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:14:10,876 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:14:10,878 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:14:10,878 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:14:10,879 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:14:10,879 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:14:10,879 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:14:10,879 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:14:10,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:14:10,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:14:10,880 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:14:10,880 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:14:10,880 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:14:10,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:14:10,880 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:14:10,880 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:14:10,880 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:14:10,881 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:14:10,881 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:14:10,881 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:14:10,881 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:14:10,881 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:14:10,881 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:14:10,881 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:14:10,881 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:14:10,882 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:14:10,882 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:14:10,882 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:14:10,882 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e27d2e3e94b55a3b3138a7f2b03714931363cb725f69630c5958681cf34de99e [2024-11-17 08:14:11,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:14:11,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:14:11,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:14:11,087 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:14:11,087 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:14:11,088 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i [2024-11-17 08:14:12,320 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:14:12,479 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:14:12,479 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i [2024-11-17 08:14:12,492 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60a1bfd45/a4a3f10335bc42a5b6c57d10d4bdd7cf/FLAG470942f90 [2024-11-17 08:14:12,868 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60a1bfd45/a4a3f10335bc42a5b6c57d10d4bdd7cf [2024-11-17 08:14:12,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:14:12,871 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:14:12,873 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:14:12,874 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:14:12,878 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:14:12,879 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:14:12" (1/1) ... [2024-11-17 08:14:12,879 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b410b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:12, skipping insertion in model container [2024-11-17 08:14:12,879 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:14:12" (1/1) ... [2024-11-17 08:14:12,911 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:14:13,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:14:13,132 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:14:13,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:14:13,184 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:14:13,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:13 WrapperNode [2024-11-17 08:14:13,185 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:14:13,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:14:13,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:14:13,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:14:13,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:13" (1/1) ... [2024-11-17 08:14:13,206 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:13" (1/1) ... [2024-11-17 08:14:13,222 INFO L138 Inliner]: procedures = 117, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2024-11-17 08:14:13,222 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:14:13,223 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:14:13,223 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:14:13,223 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:14:13,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:13" (1/1) ... [2024-11-17 08:14:13,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:13" (1/1) ... [2024-11-17 08:14:13,250 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:13" (1/1) ... [2024-11-17 08:14:13,266 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [3, 3]. 50 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 4 writes are split as follows [2, 2]. [2024-11-17 08:14:13,266 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:13" (1/1) ... [2024-11-17 08:14:13,266 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:13" (1/1) ... [2024-11-17 08:14:13,270 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:13" (1/1) ... [2024-11-17 08:14:13,271 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:13" (1/1) ... [2024-11-17 08:14:13,271 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:13" (1/1) ... [2024-11-17 08:14:13,272 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:13" (1/1) ... [2024-11-17 08:14:13,274 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:14:13,274 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:14:13,274 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:14:13,275 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:14:13,275 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:13" (1/1) ... [2024-11-17 08:14:13,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:13,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:13,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:13,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-17 08:14:13,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 08:14:13,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 08:14:13,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 08:14:13,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 08:14:13,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 08:14:13,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 08:14:13,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:14:13,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:14:13,445 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:14:13,447 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:14:13,549 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L547: havoc main_#t~ret14#1;call ULTIMATE.dealloc(main_#t~malloc8#1.base, main_#t~malloc8#1.offset);havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call ULTIMATE.dealloc(main_#t~malloc9#1.base, main_#t~malloc9#1.offset);havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset; [2024-11-17 08:14:13,568 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-17 08:14:13,568 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:14:13,577 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:14:13,577 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:14:13,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:14:13 BoogieIcfgContainer [2024-11-17 08:14:13,578 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:14:13,578 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:14:13,579 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:14:13,581 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:14:13,582 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:14:13,582 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:14:12" (1/3) ... [2024-11-17 08:14:13,583 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d6f8f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:14:13, skipping insertion in model container [2024-11-17 08:14:13,583 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:14:13,583 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:14:13" (2/3) ... [2024-11-17 08:14:13,583 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d6f8f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:14:13, skipping insertion in model container [2024-11-17 08:14:13,584 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:14:13,584 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:14:13" (3/3) ... [2024-11-17 08:14:13,585 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrspn-alloca-2.i [2024-11-17 08:14:13,628 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:14:13,629 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:14:13,629 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:14:13,629 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:14:13,630 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:14:13,630 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:14:13,630 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:14:13,630 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:14:13,633 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:13,649 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2024-11-17 08:14:13,649 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:14:13,649 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:14:13,653 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-17 08:14:13,653 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-17 08:14:13,653 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:14:13,653 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:13,655 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2024-11-17 08:14:13,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:14:13,655 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:14:13,655 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-17 08:14:13,655 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-17 08:14:13,659 INFO L745 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 12#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~post11#1, main_~i~0#1, main_#t~nondet12#1, main_#t~post13#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 10#L528true assume main_~length1~0#1 < 1;main_~length1~0#1 := 1; 7#L531true assume !(main_~length2~0#1 < 1); 4#L534true call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 6#L537-1true [2024-11-17 08:14:13,659 INFO L747 eck$LassoCheckResult]: Loop: 6#L537-1true assume true; 16#L537-2true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet10#1;call write~int#1(main_#t~nondet10#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet10#1;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 6#L537-1true [2024-11-17 08:14:13,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:13,663 INFO L85 PathProgramCache]: Analyzing trace with hash 61042717, now seen corresponding path program 1 times [2024-11-17 08:14:13,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:13,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414270836] [2024-11-17 08:14:13,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:13,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:13,753 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:14:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:13,790 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:14:13,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:13,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1792, now seen corresponding path program 1 times [2024-11-17 08:14:13,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:13,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310059235] [2024-11-17 08:14:13,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:13,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:13,805 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:14:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:13,814 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:14:13,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:13,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1467490276, now seen corresponding path program 1 times [2024-11-17 08:14:13,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:13,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282957781] [2024-11-17 08:14:13,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:13,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:14:13,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:14:13,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:14:13,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282957781] [2024-11-17 08:14:13,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282957781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:14:13,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:14:13,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 08:14:13,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733163786] [2024-11-17 08:14:13,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:14:14,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:14:14,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 08:14:14,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 08:14:14,048 INFO L87 Difference]: Start difference. First operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:14,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:14:14,087 INFO L93 Difference]: Finished difference Result 28 states and 35 transitions. [2024-11-17 08:14:14,089 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 35 transitions. [2024-11-17 08:14:14,090 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 10 [2024-11-17 08:14:14,092 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 23 states and 30 transitions. [2024-11-17 08:14:14,092 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2024-11-17 08:14:14,093 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2024-11-17 08:14:14,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 30 transitions. [2024-11-17 08:14:14,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:14:14,094 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 30 transitions. [2024-11-17 08:14:14,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 30 transitions. [2024-11-17 08:14:14,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 19. [2024-11-17 08:14:14,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 18 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:14,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2024-11-17 08:14:14,140 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2024-11-17 08:14:14,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 08:14:14,145 INFO L425 stractBuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2024-11-17 08:14:14,146 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:14:14,146 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 25 transitions. [2024-11-17 08:14:14,148 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2024-11-17 08:14:14,148 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:14:14,148 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:14:14,149 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-17 08:14:14,149 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-17 08:14:14,149 INFO L745 eck$LassoCheckResult]: Stem: 60#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 61#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~post11#1, main_~i~0#1, main_#t~nondet12#1, main_#t~post13#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 72#L528 assume !(main_~length1~0#1 < 1); 67#L531 assume !(main_~length2~0#1 < 1); 62#L534 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 63#L537-1 [2024-11-17 08:14:14,150 INFO L747 eck$LassoCheckResult]: Loop: 63#L537-1 assume true; 66#L537-2 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet10#1;call write~int#1(main_#t~nondet10#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet10#1;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 63#L537-1 [2024-11-17 08:14:14,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:14,150 INFO L85 PathProgramCache]: Analyzing trace with hash 61043678, now seen corresponding path program 1 times [2024-11-17 08:14:14,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:14,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446869479] [2024-11-17 08:14:14,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:14,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:14,173 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:14:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:14,185 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:14:14,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:14,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1792, now seen corresponding path program 2 times [2024-11-17 08:14:14,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:14,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831012994] [2024-11-17 08:14:14,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:14,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:14,195 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:14:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:14,203 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:14:14,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:14,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1466566755, now seen corresponding path program 1 times [2024-11-17 08:14:14,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:14,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067684457] [2024-11-17 08:14:14,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:14,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:14,221 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:14:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:14,231 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:14:14,461 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:14:14,462 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:14:14,462 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:14:14,462 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:14:14,463 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-17 08:14:14,463 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:14,463 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:14:14,464 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:14:14,464 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration2_Lasso [2024-11-17 08:14:14,464 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:14:14,464 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:14:14,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:14,483 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:14,485 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:14,490 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:14,493 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:14,497 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:14,499 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:14,501 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:14,505 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:14,507 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:14,510 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:14,512 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:14,680 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:14,682 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:14,685 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:14,686 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:14,950 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:14:14,953 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-17 08:14:14,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:14,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:14,956 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:14,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-17 08:14:14,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:14,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:14,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:14:14,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:14,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:14,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:14,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:14:14,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:14:14,973 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:14,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-17 08:14:14,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:15,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:15,002 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:15,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-17 08:14:15,006 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:15,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:15,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:14:15,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:15,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:15,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:15,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:14:15,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:14:15,030 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:15,049 ERROR L418 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-17 08:14:15,051 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-17 08:14:15,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:15,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:15,056 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:15,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-17 08:14:15,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:15,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:15,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:15,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:15,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:15,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:14:15,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:14:15,078 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:15,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-17 08:14:15,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:15,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:15,091 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:15,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-17 08:14:15,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:15,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:15,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:14:15,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:15,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:15,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:15,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:14:15,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:14:15,105 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:15,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-17 08:14:15,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:15,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:15,117 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:15,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-17 08:14:15,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:15,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:15,130 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:14:15,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:15,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:15,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:15,130 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:14:15,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:14:15,131 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:15,141 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-17 08:14:15,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:15,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:15,160 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:15,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-17 08:14:15,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:15,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:15,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:14:15,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:15,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:15,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:15,173 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:14:15,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:14:15,175 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:15,185 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-17 08:14:15,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:15,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:15,187 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:15,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-17 08:14:15,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:15,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:15,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:14:15,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:15,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:15,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:15,200 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:14:15,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:14:15,201 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:15,211 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-17 08:14:15,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:15,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:15,213 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:15,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-17 08:14:15,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:15,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:15,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:15,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:15,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:15,227 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:14:15,227 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:14:15,229 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:15,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-17 08:14:15,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:15,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:15,244 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:15,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-17 08:14:15,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:15,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:15,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:14:15,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:15,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:15,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:15,259 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:14:15,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:14:15,261 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:15,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-17 08:14:15,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:15,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:15,273 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:15,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-17 08:14:15,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:15,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:15,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:14:15,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:15,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:15,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:15,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:14:15,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:14:15,285 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:15,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-17 08:14:15,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:15,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:15,296 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:15,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-17 08:14:15,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:15,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:15,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:14:15,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:15,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:15,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:15,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:14:15,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:14:15,309 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:15,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-17 08:14:15,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:15,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:15,321 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:15,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-17 08:14:15,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:15,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:15,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:15,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:15,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:15,344 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:14:15,344 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:14:15,352 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-17 08:14:15,379 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2024-11-17 08:14:15,379 INFO L444 ModelExtractionUtils]: 2 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero. [2024-11-17 08:14:15,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:15,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:15,382 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:15,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-17 08:14:15,385 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-17 08:14:15,396 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-17 08:14:15,396 INFO L474 LassoAnalysis]: Proved termination. [2024-11-17 08:14:15,396 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~length1~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~length1~0#1 Supporting invariants [] [2024-11-17 08:14:15,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-17 08:14:15,420 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2024-11-17 08:14:15,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:14:15,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 08:14:15,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:14:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:14:15,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 08:14:15,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:14:15,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:14:15,479 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-17 08:14:15,480 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 25 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:15,507 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 25 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 29 transitions. Complement of second has 5 states. [2024-11-17 08:14:15,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-17 08:14:15,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:15,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2024-11-17 08:14:15,511 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-17 08:14:15,512 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:14:15,512 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-17 08:14:15,512 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:14:15,512 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 4 letters. [2024-11-17 08:14:15,512 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:14:15,513 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 29 transitions. [2024-11-17 08:14:15,514 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-17 08:14:15,515 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 21 states and 28 transitions. [2024-11-17 08:14:15,515 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-11-17 08:14:15,515 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2024-11-17 08:14:15,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 28 transitions. [2024-11-17 08:14:15,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-17 08:14:15,516 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 28 transitions. [2024-11-17 08:14:15,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 28 transitions. [2024-11-17 08:14:15,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2024-11-17 08:14:15,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.35) internal successors, (27), 19 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:15,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2024-11-17 08:14:15,518 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 27 transitions. [2024-11-17 08:14:15,518 INFO L425 stractBuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2024-11-17 08:14:15,518 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:14:15,519 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 27 transitions. [2024-11-17 08:14:15,519 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-17 08:14:15,520 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:14:15,520 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:14:15,521 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:14:15,521 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-17 08:14:15,521 INFO L745 eck$LassoCheckResult]: Stem: 165#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 166#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~post11#1, main_~i~0#1, main_#t~nondet12#1, main_#t~post13#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 179#L528 assume !(main_~length1~0#1 < 1); 180#L531 assume !(main_~length2~0#1 < 1); 184#L534 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 183#L537-1 assume true; 171#L537-2 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 182#L537 havoc main_~i~0#1;main_~i~1#1 := 0; 169#L541-1 [2024-11-17 08:14:15,521 INFO L747 eck$LassoCheckResult]: Loop: 169#L541-1 assume true; 170#L541-2 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);havoc main_#t~nondet12#1;call write~int#0(main_#t~nondet12#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet12#1;main_#t~post13#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1; 169#L541-1 [2024-11-17 08:14:15,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:15,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1781070810, now seen corresponding path program 1 times [2024-11-17 08:14:15,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:15,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428856305] [2024-11-17 08:14:15,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:15,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:15,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:14:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:15,536 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:14:15,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:15,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1568, now seen corresponding path program 1 times [2024-11-17 08:14:15,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:15,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611305546] [2024-11-17 08:14:15,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:15,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:15,540 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:14:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:15,543 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:14:15,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:15,543 INFO L85 PathProgramCache]: Analyzing trace with hash -2082902087, now seen corresponding path program 1 times [2024-11-17 08:14:15,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:15,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559280899] [2024-11-17 08:14:15,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:15,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:15,563 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:14:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:15,579 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:14:15,767 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:14:15,767 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:14:15,767 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:14:15,767 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:14:15,767 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-17 08:14:15,767 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:15,767 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:14:15,767 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:14:15,767 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration3_Lasso [2024-11-17 08:14:15,767 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:14:15,767 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:14:15,769 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:15,774 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:15,776 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:15,883 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:15,885 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:15,888 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:15,889 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:15,891 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:15,893 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:15,914 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:15,916 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:15,917 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:15,919 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:15,920 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:15,922 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:15,924 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:15,926 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:15,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-17 08:14:16,147 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:14:16,147 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-17 08:14:16,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:16,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:16,149 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:16,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-17 08:14:16,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:16,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:16,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:14:16,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:16,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:16,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:16,162 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:14:16,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:14:16,166 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:16,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-17 08:14:16,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:16,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:16,180 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:16,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-17 08:14:16,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:16,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:16,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:14:16,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:16,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:16,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:16,193 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:14:16,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:14:16,194 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:16,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-17 08:14:16,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:16,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:16,206 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:16,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-17 08:14:16,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:16,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:16,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:16,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:16,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:16,219 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:14:16,219 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:14:16,222 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:16,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-17 08:14:16,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:16,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:16,234 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:16,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-17 08:14:16,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:16,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:16,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:16,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:16,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:16,250 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:14:16,250 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:14:16,256 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:16,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-17 08:14:16,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:16,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:16,269 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:16,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-17 08:14:16,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:16,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:16,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:16,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:16,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:16,285 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:14:16,285 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:14:16,290 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:16,301 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-17 08:14:16,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:16,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:16,302 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:16,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-17 08:14:16,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:16,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:16,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:14:16,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:16,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:16,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:16,315 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:14:16,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:14:16,316 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:16,327 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-17 08:14:16,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:16,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:16,328 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:16,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-17 08:14:16,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:16,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:16,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:16,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:16,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:16,342 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:14:16,342 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:14:16,345 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:16,355 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-17 08:14:16,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:16,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:16,357 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:16,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-17 08:14:16,359 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:16,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:16,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:16,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:16,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:16,370 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:14:16,370 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:14:16,373 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:16,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-17 08:14:16,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:16,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:16,385 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:16,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-17 08:14:16,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:16,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:16,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:16,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:16,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:16,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:14:16,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:14:16,409 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-17 08:14:16,433 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2024-11-17 08:14:16,433 INFO L444 ModelExtractionUtils]: 1 out of 19 variables were initially zero. Simplification set additionally 15 variables to zero. [2024-11-17 08:14:16,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:16,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:16,435 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:16,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-17 08:14:16,436 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-17 08:14:16,447 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-17 08:14:16,448 INFO L474 LassoAnalysis]: Proved termination. [2024-11-17 08:14:16,448 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length2~0#1, ULTIMATE.start_main_~i~1#1) = 1*ULTIMATE.start_main_~length2~0#1 - 1*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2024-11-17 08:14:16,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-17 08:14:16,468 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2024-11-17 08:14:16,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:14:16,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 08:14:16,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:14:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:14:16,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 08:14:16,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:14:16,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:14:16,505 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-17 08:14:16,505 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 27 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:16,514 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 27 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 30 transitions. Complement of second has 5 states. [2024-11-17 08:14:16,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-17 08:14:16,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:16,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-11-17 08:14:16,516 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 8 letters. Loop has 2 letters. [2024-11-17 08:14:16,516 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:14:16,516 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 10 letters. Loop has 2 letters. [2024-11-17 08:14:16,517 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:14:16,517 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 8 letters. Loop has 4 letters. [2024-11-17 08:14:16,517 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:14:16,517 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 30 transitions. [2024-11-17 08:14:16,517 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-17 08:14:16,518 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 30 transitions. [2024-11-17 08:14:16,518 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-11-17 08:14:16,518 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2024-11-17 08:14:16,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 30 transitions. [2024-11-17 08:14:16,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-17 08:14:16,518 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 30 transitions. [2024-11-17 08:14:16,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 30 transitions. [2024-11-17 08:14:16,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-17 08:14:16,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 21 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:16,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2024-11-17 08:14:16,521 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 30 transitions. [2024-11-17 08:14:16,521 INFO L425 stractBuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2024-11-17 08:14:16,521 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-17 08:14:16,521 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 30 transitions. [2024-11-17 08:14:16,522 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-17 08:14:16,524 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:14:16,524 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:14:16,524 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:14:16,524 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-17 08:14:16,524 INFO L745 eck$LassoCheckResult]: Stem: 280#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 281#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~post11#1, main_~i~0#1, main_#t~nondet12#1, main_#t~post13#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 296#L528 assume !(main_~length1~0#1 < 1); 297#L531 assume !(main_~length2~0#1 < 1); 301#L534 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 300#L537-1 assume true; 288#L537-2 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 299#L537 havoc main_~i~0#1;main_~i~1#1 := 0; 284#L541-1 assume true; 286#L541-2 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 298#L541 havoc main_~i~1#1;call write~int#1(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#0(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, cstrspn_#t~mem5#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset, cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset, cstrspn_~c~0#1, cstrspn_~sc~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;havoc cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;havoc cstrspn_~c~0#1;havoc cstrspn_~sc~0#1; 295#L522 [2024-11-17 08:14:16,524 INFO L747 eck$LassoCheckResult]: Loop: 295#L522 assume true;cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int#1(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 292#L520 assume true;cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int#0(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 293#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 294#L521 assume cstrspn_~sc~0#1 == cstrspn_~c~0#1; 295#L522 [2024-11-17 08:14:16,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:16,525 INFO L85 PathProgramCache]: Analyzing trace with hash -145455305, now seen corresponding path program 1 times [2024-11-17 08:14:16,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:16,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949803780] [2024-11-17 08:14:16,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:16,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:16,536 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:14:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:16,545 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:14:16,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:16,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1321692, now seen corresponding path program 1 times [2024-11-17 08:14:16,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:16,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749418793] [2024-11-17 08:14:16,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:16,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:16,553 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:14:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:16,558 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:14:16,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:16,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1631181038, now seen corresponding path program 1 times [2024-11-17 08:14:16,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:16,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172316165] [2024-11-17 08:14:16,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:16,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:14:16,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:14:16,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:14:16,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172316165] [2024-11-17 08:14:16,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172316165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:14:16,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:14:16,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-17 08:14:16,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266465418] [2024-11-17 08:14:16,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:14:16,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-17 08:14:16,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:14:16,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 08:14:16,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-17 08:14:16,907 INFO L87 Difference]: Start difference. First operand 22 states and 30 transitions. cyclomatic complexity: 11 Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:16,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:14:16,949 INFO L93 Difference]: Finished difference Result 28 states and 35 transitions. [2024-11-17 08:14:16,949 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 35 transitions. [2024-11-17 08:14:16,949 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-17 08:14:16,950 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 23 states and 30 transitions. [2024-11-17 08:14:16,950 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2024-11-17 08:14:16,950 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2024-11-17 08:14:16,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 30 transitions. [2024-11-17 08:14:16,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-17 08:14:16,950 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 30 transitions. [2024-11-17 08:14:16,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 30 transitions. [2024-11-17 08:14:16,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2024-11-17 08:14:16,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 21 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:16,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 29 transitions. [2024-11-17 08:14:16,951 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 29 transitions. [2024-11-17 08:14:16,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 08:14:16,953 INFO L425 stractBuchiCegarLoop]: Abstraction has 22 states and 29 transitions. [2024-11-17 08:14:16,953 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-17 08:14:16,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 29 transitions. [2024-11-17 08:14:16,953 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-17 08:14:16,953 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:14:16,953 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:14:16,954 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:14:16,954 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-17 08:14:16,954 INFO L745 eck$LassoCheckResult]: Stem: 348#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 349#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~post11#1, main_~i~0#1, main_#t~nondet12#1, main_#t~post13#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 364#L528 assume !(main_~length1~0#1 < 1); 365#L531 assume !(main_~length2~0#1 < 1); 369#L534 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 368#L537-1 assume true; 356#L537-2 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 367#L537 havoc main_~i~0#1;main_~i~1#1 := 0; 352#L541-1 assume true; 353#L541-2 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);havoc main_#t~nondet12#1;call write~int#0(main_#t~nondet12#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet12#1;main_#t~post13#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1; 354#L541-1 assume true; 355#L541-2 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 366#L541 havoc main_~i~1#1;call write~int#1(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#0(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, cstrspn_#t~mem5#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset, cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset, cstrspn_~c~0#1, cstrspn_~sc~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;havoc cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;havoc cstrspn_~c~0#1;havoc cstrspn_~sc~0#1; 363#L522 [2024-11-17 08:14:16,954 INFO L747 eck$LassoCheckResult]: Loop: 363#L522 assume true;cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int#1(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 360#L520 assume true;cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int#0(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 361#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 362#L521 assume cstrspn_~sc~0#1 == cstrspn_~c~0#1; 363#L522 [2024-11-17 08:14:16,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:16,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1951437560, now seen corresponding path program 1 times [2024-11-17 08:14:16,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:16,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951184576] [2024-11-17 08:14:16,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:16,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:16,977 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:14:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:16,985 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:14:16,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:16,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1321692, now seen corresponding path program 2 times [2024-11-17 08:14:16,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:16,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96869009] [2024-11-17 08:14:16,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:16,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:16,990 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:14:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:16,992 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:14:16,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:16,993 INFO L85 PathProgramCache]: Analyzing trace with hash -479958445, now seen corresponding path program 1 times [2024-11-17 08:14:16,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:16,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996603867] [2024-11-17 08:14:16,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:16,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:14:17,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 08:14:17,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:14:17,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996603867] [2024-11-17 08:14:17,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996603867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:14:17,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:14:17,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 08:14:17,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724393267] [2024-11-17 08:14:17,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:14:17,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:14:17,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 08:14:17,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-17 08:14:17,225 INFO L87 Difference]: Start difference. First operand 22 states and 29 transitions. cyclomatic complexity: 10 Second operand has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:17,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:14:17,261 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2024-11-17 08:14:17,261 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 42 transitions. [2024-11-17 08:14:17,261 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2024-11-17 08:14:17,262 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 34 states and 42 transitions. [2024-11-17 08:14:17,262 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2024-11-17 08:14:17,262 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2024-11-17 08:14:17,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 42 transitions. [2024-11-17 08:14:17,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-17 08:14:17,262 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 42 transitions. [2024-11-17 08:14:17,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 42 transitions. [2024-11-17 08:14:17,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2024-11-17 08:14:17,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 32 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:17,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 41 transitions. [2024-11-17 08:14:17,264 INFO L240 hiAutomatonCegarLoop]: Abstraction has 33 states and 41 transitions. [2024-11-17 08:14:17,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 08:14:17,265 INFO L425 stractBuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2024-11-17 08:14:17,265 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-17 08:14:17,265 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 41 transitions. [2024-11-17 08:14:17,265 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2024-11-17 08:14:17,265 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:14:17,265 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:14:17,266 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:14:17,266 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-17 08:14:17,266 INFO L745 eck$LassoCheckResult]: Stem: 419#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 420#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~post11#1, main_~i~0#1, main_#t~nondet12#1, main_#t~post13#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 437#L528 assume !(main_~length1~0#1 < 1); 432#L531 assume !(main_~length2~0#1 < 1); 421#L534 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 422#L537-1 assume true; 428#L537-2 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 441#L537 havoc main_~i~0#1;main_~i~1#1 := 0; 423#L541-1 assume true; 424#L541-2 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);havoc main_#t~nondet12#1;call write~int#0(main_#t~nondet12#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet12#1;main_#t~post13#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1; 425#L541-1 assume true; 426#L541-2 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 439#L541 havoc main_~i~1#1;call write~int#1(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#0(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, cstrspn_#t~mem5#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset, cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset, cstrspn_~c~0#1, cstrspn_~sc~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;havoc cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;havoc cstrspn_~c~0#1;havoc cstrspn_~sc~0#1; 440#L522 assume true;cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int#1(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 436#L520 [2024-11-17 08:14:17,266 INFO L747 eck$LassoCheckResult]: Loop: 436#L520 assume true;cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int#0(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 442#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 435#L521 assume !(cstrspn_~sc~0#1 == cstrspn_~c~0#1); 436#L520 [2024-11-17 08:14:17,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:17,267 INFO L85 PathProgramCache]: Analyzing trace with hash 365022229, now seen corresponding path program 1 times [2024-11-17 08:14:17,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:17,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420895293] [2024-11-17 08:14:17,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:17,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:17,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:17,282 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:14:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:17,295 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:14:17,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:17,296 INFO L85 PathProgramCache]: Analyzing trace with hash 40680, now seen corresponding path program 1 times [2024-11-17 08:14:17,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:17,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083105627] [2024-11-17 08:14:17,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:17,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:17,301 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:14:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:17,304 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:14:17,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:17,305 INFO L85 PathProgramCache]: Analyzing trace with hash -479958444, now seen corresponding path program 1 times [2024-11-17 08:14:17,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:17,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235155873] [2024-11-17 08:14:17,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:17,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:17,318 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:14:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:17,326 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:14:17,875 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:14:17,875 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:14:17,875 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:14:17,875 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:14:17,875 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-17 08:14:17,875 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:17,875 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:14:17,875 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:14:17,875 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration6_Lasso [2024-11-17 08:14:17,875 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:14:17,875 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:14:17,876 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:17,878 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:17,880 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:17,881 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:17,882 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:18,072 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:18,074 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:18,075 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:18,077 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:18,079 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:18,080 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:18,082 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:18,083 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:18,085 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:18,086 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:18,088 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:18,089 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:18,090 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:18,092 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:18,093 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:18,095 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:18,096 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:18,098 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:18,100 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:18,101 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:18,103 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:18,105 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:18,106 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:18,108 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:18,109 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:18,110 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:18,379 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:14:18,379 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-17 08:14:18,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:18,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:18,383 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:18,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-17 08:14:18,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:18,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:18,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:14:18,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:18,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:18,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:18,395 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:14:18,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:14:18,397 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:18,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-17 08:14:18,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:18,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:18,409 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:18,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-17 08:14:18,411 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:18,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:18,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:14:18,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:18,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:18,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:18,422 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:14:18,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:14:18,423 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:18,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-17 08:14:18,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:18,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:18,435 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:18,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-17 08:14:18,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:18,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:18,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:14:18,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:18,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:18,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:18,449 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:14:18,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:14:18,450 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:18,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-17 08:14:18,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:18,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:18,462 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:18,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-17 08:14:18,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:18,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:18,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:14:18,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:18,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:18,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:18,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:14:18,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:14:18,476 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:18,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-11-17 08:14:18,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:18,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:18,488 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:18,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-17 08:14:18,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:18,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:18,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:18,502 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2024-11-17 08:14:18,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:18,515 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2024-11-17 08:14:18,515 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2024-11-17 08:14:18,537 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:18,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-11-17 08:14:18,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:18,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:18,549 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:18,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-17 08:14:18,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:18,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:18,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:18,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:18,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:18,564 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:14:18,564 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:14:18,568 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:18,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-11-17 08:14:18,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:18,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:18,580 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:18,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-17 08:14:18,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:18,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:18,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:18,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:18,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:18,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:14:18,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:14:18,597 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:18,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-11-17 08:14:18,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:18,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:18,609 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:18,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-17 08:14:18,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:18,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:18,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:14:18,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:18,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:18,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:18,621 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:14:18,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:14:18,622 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:18,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-11-17 08:14:18,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:18,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:18,635 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:18,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-17 08:14:18,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:18,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:18,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:18,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:18,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:18,652 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:14:18,653 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:14:18,659 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-17 08:14:18,675 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-17 08:14:18,675 INFO L444 ModelExtractionUtils]: 2 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2024-11-17 08:14:18,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:18,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:18,677 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:18,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-17 08:14:18,679 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-17 08:14:18,689 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-17 08:14:18,689 INFO L474 LassoAnalysis]: Proved termination. [2024-11-17 08:14:18,689 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_3, ULTIMATE.start_cstrspn_~spanp~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_3 - 1*ULTIMATE.start_cstrspn_~spanp~0#1.offset Supporting invariants [] [2024-11-17 08:14:18,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-11-17 08:14:18,716 INFO L156 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2024-11-17 08:14:18,719 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~spanp~0!offset [2024-11-17 08:14:18,720 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-17 08:14:18,720 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-17 08:14:18,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:14:18,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 08:14:18,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:14:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:14:18,798 WARN L253 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 08:14:18,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:14:18,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:14:18,824 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2024-11-17 08:14:18,824 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 13 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:18,850 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 13. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 54 transitions. Complement of second has 7 states. [2024-11-17 08:14:18,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-17 08:14:18,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:18,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2024-11-17 08:14:18,851 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 14 letters. Loop has 3 letters. [2024-11-17 08:14:18,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:14:18,851 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 17 letters. Loop has 3 letters. [2024-11-17 08:14:18,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:14:18,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 14 letters. Loop has 6 letters. [2024-11-17 08:14:18,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:14:18,852 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 54 transitions. [2024-11-17 08:14:18,852 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-17 08:14:18,853 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 26 states and 31 transitions. [2024-11-17 08:14:18,853 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2024-11-17 08:14:18,854 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2024-11-17 08:14:18,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 31 transitions. [2024-11-17 08:14:18,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-17 08:14:18,855 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 31 transitions. [2024-11-17 08:14:18,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 31 transitions. [2024-11-17 08:14:18,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2024-11-17 08:14:18,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.2) internal successors, (30), 24 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:18,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2024-11-17 08:14:18,856 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 30 transitions. [2024-11-17 08:14:18,856 INFO L425 stractBuchiCegarLoop]: Abstraction has 25 states and 30 transitions. [2024-11-17 08:14:18,856 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-17 08:14:18,856 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 30 transitions. [2024-11-17 08:14:18,856 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-17 08:14:18,856 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:14:18,856 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:14:18,856 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:14:18,856 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-17 08:14:18,857 INFO L745 eck$LassoCheckResult]: Stem: 619#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 620#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~post11#1, main_~i~0#1, main_#t~nondet12#1, main_#t~post13#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 638#L528 assume !(main_~length1~0#1 < 1); 630#L531 assume !(main_~length2~0#1 < 1); 625#L534 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 626#L537-1 assume true; 627#L537-2 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet10#1;call write~int#1(main_#t~nondet10#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet10#1;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 628#L537-1 assume true; 629#L537-2 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 641#L537 havoc main_~i~0#1;main_~i~1#1 := 0; 621#L541-1 assume true; 622#L541-2 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);havoc main_#t~nondet12#1;call write~int#0(main_#t~nondet12#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet12#1;main_#t~post13#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1; 623#L541-1 assume true; 624#L541-2 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 639#L541 havoc main_~i~1#1;call write~int#1(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#0(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, cstrspn_#t~mem5#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset, cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset, cstrspn_~c~0#1, cstrspn_~sc~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;havoc cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;havoc cstrspn_~c~0#1;havoc cstrspn_~sc~0#1; 640#L522 assume true;cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int#1(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 643#L520 assume true;cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int#0(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 634#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 635#L521 assume cstrspn_~sc~0#1 == cstrspn_~c~0#1; 636#L522 [2024-11-17 08:14:18,857 INFO L747 eck$LassoCheckResult]: Loop: 636#L522 assume true;cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int#1(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 631#L520 assume true;cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int#0(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 632#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 642#L521 assume cstrspn_~sc~0#1 == cstrspn_~c~0#1; 636#L522 [2024-11-17 08:14:18,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:18,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1385412718, now seen corresponding path program 1 times [2024-11-17 08:14:18,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:18,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993716149] [2024-11-17 08:14:18,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:18,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:18,880 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:14:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:18,892 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:14:18,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:18,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1321692, now seen corresponding path program 3 times [2024-11-17 08:14:18,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:18,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717753744] [2024-11-17 08:14:18,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:18,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:18,899 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:14:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:18,901 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:14:18,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:18,902 INFO L85 PathProgramCache]: Analyzing trace with hash 134234605, now seen corresponding path program 2 times [2024-11-17 08:14:18,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:18,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472044119] [2024-11-17 08:14:18,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:18,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:14:19,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-11-17 08:14:19,231 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 08:14:19,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:14:19,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472044119] [2024-11-17 08:14:19,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472044119] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 08:14:19,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350300112] [2024-11-17 08:14:19,231 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 08:14:19,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 08:14:19,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:19,233 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 08:14:19,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-17 08:14:19,301 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 08:14:19,301 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 08:14:19,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-17 08:14:19,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:14:19,354 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 13 treesize of output 9 [2024-11-17 08:14:19,388 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 08:14:19,388 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 08:14:19,415 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 15 treesize of output 13 [2024-11-17 08:14:19,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 12 [2024-11-17 08:14:19,452 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 08:14:19,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [350300112] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 08:14:19,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 08:14:19,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2024-11-17 08:14:19,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686443891] [2024-11-17 08:14:19,452 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 08:14:19,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:14:19,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-17 08:14:19,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-17 08:14:19,531 INFO L87 Difference]: Start difference. First operand 25 states and 30 transitions. cyclomatic complexity: 9 Second operand has 15 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 15 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:19,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:14:19,615 INFO L93 Difference]: Finished difference Result 45 states and 53 transitions. [2024-11-17 08:14:19,615 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 53 transitions. [2024-11-17 08:14:19,615 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2024-11-17 08:14:19,615 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 53 transitions. [2024-11-17 08:14:19,616 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2024-11-17 08:14:19,616 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2024-11-17 08:14:19,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 53 transitions. [2024-11-17 08:14:19,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-17 08:14:19,616 INFO L218 hiAutomatonCegarLoop]: Abstraction has 45 states and 53 transitions. [2024-11-17 08:14:19,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 53 transitions. [2024-11-17 08:14:19,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 44. [2024-11-17 08:14:19,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.1818181818181819) internal successors, (52), 43 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:19,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions. [2024-11-17 08:14:19,618 INFO L240 hiAutomatonCegarLoop]: Abstraction has 44 states and 52 transitions. [2024-11-17 08:14:19,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 08:14:19,621 INFO L425 stractBuchiCegarLoop]: Abstraction has 44 states and 52 transitions. [2024-11-17 08:14:19,622 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-17 08:14:19,622 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 52 transitions. [2024-11-17 08:14:19,622 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2024-11-17 08:14:19,622 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:14:19,622 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:14:19,622 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:14:19,622 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-17 08:14:19,623 INFO L745 eck$LassoCheckResult]: Stem: 845#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 846#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~post11#1, main_~i~0#1, main_#t~nondet12#1, main_#t~post13#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 864#L528 assume !(main_~length1~0#1 < 1); 857#L531 assume !(main_~length2~0#1 < 1); 847#L534 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 848#L537-1 assume true; 853#L537-2 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet10#1;call write~int#1(main_#t~nondet10#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet10#1;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 854#L537-1 assume true; 856#L537-2 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 871#L537 havoc main_~i~0#1;main_~i~1#1 := 0; 849#L541-1 assume true; 850#L541-2 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);havoc main_#t~nondet12#1;call write~int#0(main_#t~nondet12#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet12#1;main_#t~post13#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1; 851#L541-1 assume true; 852#L541-2 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 872#L541 havoc main_~i~1#1;call write~int#1(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#0(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, cstrspn_#t~mem5#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset, cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset, cstrspn_~c~0#1, cstrspn_~sc~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;havoc cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;havoc cstrspn_~c~0#1;havoc cstrspn_~sc~0#1; 881#L522 assume true;cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int#1(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 880#L520 assume true;cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int#0(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 869#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 861#L521 assume cstrspn_~sc~0#1 == cstrspn_~c~0#1; 862#L522 assume true;cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int#1(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 873#L520 [2024-11-17 08:14:19,623 INFO L747 eck$LassoCheckResult]: Loop: 873#L520 assume true;cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int#0(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 867#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 868#L521 assume !(cstrspn_~sc~0#1 == cstrspn_~c~0#1); 873#L520 [2024-11-17 08:14:19,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:19,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1878715, now seen corresponding path program 3 times [2024-11-17 08:14:19,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:19,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33615787] [2024-11-17 08:14:19,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:19,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:19,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:19,642 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:14:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:19,650 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:14:19,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:19,651 INFO L85 PathProgramCache]: Analyzing trace with hash 40680, now seen corresponding path program 2 times [2024-11-17 08:14:19,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:19,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120214818] [2024-11-17 08:14:19,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:19,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:19,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:19,657 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:14:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:19,660 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:14:19,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:19,660 INFO L85 PathProgramCache]: Analyzing trace with hash 134234606, now seen corresponding path program 1 times [2024-11-17 08:14:19,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:19,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182418041] [2024-11-17 08:14:19,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:19,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:19,678 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:14:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:19,705 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:14:21,298 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:14:21,298 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:14:21,298 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:14:21,298 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:14:21,298 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-17 08:14:21,298 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:21,298 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:14:21,298 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:14:21,298 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration8_Lasso [2024-11-17 08:14:21,298 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:14:21,299 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:14:21,300 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,569 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,571 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,575 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,576 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,577 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,581 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,582 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,584 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,585 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,586 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,587 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,588 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,590 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,592 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,593 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,595 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,597 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,598 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,599 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,601 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,602 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,603 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,605 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,607 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,608 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,610 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,612 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,613 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:21,880 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:14:21,880 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-17 08:14:21,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:21,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:21,882 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:21,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-17 08:14:21,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:21,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:21,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:21,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:21,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:21,895 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:14:21,895 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:14:21,898 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:21,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-11-17 08:14:21,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:21,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:21,909 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:21,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-17 08:14:21,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:21,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:21,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:21,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:21,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:21,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:14:21,922 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:14:21,925 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:21,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-11-17 08:14:21,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:21,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:21,938 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:21,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-17 08:14:21,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:21,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:21,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:21,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:21,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:21,951 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:14:21,951 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:14:21,953 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:21,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-11-17 08:14:21,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:21,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:21,965 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:21,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-17 08:14:21,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:21,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:21,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:21,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:21,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:21,980 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:14:21,980 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:14:21,983 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:21,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-11-17 08:14:21,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:21,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:21,995 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:21,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-17 08:14:21,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:22,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:22,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:22,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:22,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:22,011 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:14:22,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:14:22,018 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:22,028 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-11-17 08:14:22,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:22,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:22,030 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:22,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-17 08:14:22,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:22,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:22,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:22,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:22,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:22,043 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:14:22,043 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:14:22,047 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:22,057 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-11-17 08:14:22,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:22,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:22,059 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:22,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-17 08:14:22,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:22,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:22,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:22,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:22,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:22,072 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:14:22,072 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:14:22,074 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:22,084 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-11-17 08:14:22,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:22,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:22,086 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:22,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-17 08:14:22,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:22,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:22,100 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-11-17 08:14:22,100 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2024-11-17 08:14:22,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:22,128 INFO L401 nArgumentSynthesizer]: We have 56 Motzkin's Theorem applications. [2024-11-17 08:14:22,128 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2024-11-17 08:14:22,177 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:22,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-11-17 08:14:22,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:22,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:22,188 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:22,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-17 08:14:22,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:22,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:22,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:22,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:22,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:22,201 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:14:22,201 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:14:22,203 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:22,212 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-11-17 08:14:22,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:22,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:22,213 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:22,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-17 08:14:22,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:22,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:22,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:22,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:22,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:22,227 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:14:22,227 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:14:22,232 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-17 08:14:22,240 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-17 08:14:22,240 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-11-17 08:14:22,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:22,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:22,242 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:22,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-11-17 08:14:22,246 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-17 08:14:22,256 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-17 08:14:22,256 INFO L474 LassoAnalysis]: Proved termination. [2024-11-17 08:14:22,256 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrspn_~spanp~0#1.base)_2, ULTIMATE.start_cstrspn_~spanp~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_cstrspn_~spanp~0#1.base)_2 - 1*ULTIMATE.start_cstrspn_~spanp~0#1.offset Supporting invariants [] [2024-11-17 08:14:22,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-11-17 08:14:22,291 INFO L156 tatePredicateManager]: 13 out of 13 supporting invariants were superfluous and have been removed [2024-11-17 08:14:22,292 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~spanp~0!offset [2024-11-17 08:14:22,292 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-17 08:14:22,292 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-17 08:14:22,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:14:22,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 08:14:22,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:14:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:14:22,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 08:14:22,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:14:22,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2024-11-17 08:14:22,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:14:22,389 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-17 08:14:22,390 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 44 states and 52 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:22,398 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 44 states and 52 transitions. cyclomatic complexity: 15. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 53 states and 61 transitions. Complement of second has 5 states. [2024-11-17 08:14:22,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-17 08:14:22,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:22,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 20 transitions. [2024-11-17 08:14:22,398 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 20 letters. Loop has 3 letters. [2024-11-17 08:14:22,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:14:22,399 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-17 08:14:22,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:22,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:14:22,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 08:14:22,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:14:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:14:22,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 08:14:22,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:14:22,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:14:22,471 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-17 08:14:22,472 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 44 states and 52 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:22,487 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 44 states and 52 transitions. cyclomatic complexity: 15. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 53 states and 63 transitions. Complement of second has 5 states. [2024-11-17 08:14:22,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-17 08:14:22,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:22,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2024-11-17 08:14:22,489 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 20 letters. Loop has 3 letters. [2024-11-17 08:14:22,489 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:14:22,490 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-17 08:14:22,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:14:22,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 08:14:22,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:14:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:14:22,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 08:14:22,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:14:22,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:14:22,576 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-17 08:14:22,576 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 44 states and 52 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:22,584 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 44 states and 52 transitions. cyclomatic complexity: 15. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 58 states and 67 transitions. Complement of second has 4 states. [2024-11-17 08:14:22,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-17 08:14:22,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:22,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 25 transitions. [2024-11-17 08:14:22,585 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 20 letters. Loop has 3 letters. [2024-11-17 08:14:22,585 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:14:22,585 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 23 letters. Loop has 3 letters. [2024-11-17 08:14:22,585 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:14:22,585 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 20 letters. Loop has 6 letters. [2024-11-17 08:14:22,586 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:14:22,586 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 67 transitions. [2024-11-17 08:14:22,587 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-17 08:14:22,587 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 29 states and 34 transitions. [2024-11-17 08:14:22,587 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-11-17 08:14:22,587 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-11-17 08:14:22,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 34 transitions. [2024-11-17 08:14:22,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-17 08:14:22,587 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 34 transitions. [2024-11-17 08:14:22,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 34 transitions. [2024-11-17 08:14:22,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 23. [2024-11-17 08:14:22,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.173913043478261) internal successors, (27), 22 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:22,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2024-11-17 08:14:22,588 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 27 transitions. [2024-11-17 08:14:22,588 INFO L425 stractBuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2024-11-17 08:14:22,588 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-17 08:14:22,588 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 27 transitions. [2024-11-17 08:14:22,589 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-17 08:14:22,589 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:14:22,589 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:14:22,589 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:14:22,589 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-17 08:14:22,589 INFO L745 eck$LassoCheckResult]: Stem: 1341#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1342#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~post11#1, main_~i~0#1, main_#t~nondet12#1, main_#t~post13#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 1359#L528 assume !(main_~length1~0#1 < 1); 1352#L531 assume !(main_~length2~0#1 < 1); 1343#L534 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 1344#L537-1 assume true; 1349#L537-2 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet10#1;call write~int#1(main_#t~nondet10#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet10#1;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1350#L537-1 assume true; 1351#L537-2 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet10#1;call write~int#1(main_#t~nondet10#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet10#1;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1363#L537-1 assume true; 1361#L537-2 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 1362#L537 havoc main_~i~0#1;main_~i~1#1 := 0; 1345#L541-1 assume true; 1346#L541-2 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);havoc main_#t~nondet12#1;call write~int#0(main_#t~nondet12#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet12#1;main_#t~post13#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1; 1347#L541-1 assume true; 1348#L541-2 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 1360#L541 havoc main_~i~1#1;call write~int#1(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#0(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, cstrspn_#t~mem5#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset, cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset, cstrspn_~c~0#1, cstrspn_~sc~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;havoc cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;havoc cstrspn_~c~0#1;havoc cstrspn_~sc~0#1; 1357#L522 [2024-11-17 08:14:22,590 INFO L747 eck$LassoCheckResult]: Loop: 1357#L522 assume true;cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int#1(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 1353#L520 assume true;cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int#0(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 1354#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 1356#L521 assume cstrspn_~sc~0#1 == cstrspn_~c~0#1; 1357#L522 [2024-11-17 08:14:22,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:22,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1739262134, now seen corresponding path program 1 times [2024-11-17 08:14:22,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:22,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16316747] [2024-11-17 08:14:22,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:22,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:22,600 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:14:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:22,608 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:14:22,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:22,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1321692, now seen corresponding path program 4 times [2024-11-17 08:14:22,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:22,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976478326] [2024-11-17 08:14:22,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:22,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:22,613 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:14:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:22,615 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:14:22,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:22,615 INFO L85 PathProgramCache]: Analyzing trace with hash 351392017, now seen corresponding path program 4 times [2024-11-17 08:14:22,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:14:22,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931247546] [2024-11-17 08:14:22,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:14:22,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:14:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:22,631 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:14:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:14:22,643 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:14:23,656 INFO L204 LassoAnalysis]: Preferences: [2024-11-17 08:14:23,656 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-17 08:14:23,656 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-17 08:14:23,656 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-17 08:14:23,656 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-17 08:14:23,656 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:23,656 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-17 08:14:23,656 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-17 08:14:23,657 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration9_Lasso [2024-11-17 08:14:23,657 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-17 08:14:23,657 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-17 08:14:23,658 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,660 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,661 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,662 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,664 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,893 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,895 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,896 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,898 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,899 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,900 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,902 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,903 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,905 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,906 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,908 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,909 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,910 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,912 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,913 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,915 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,916 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,918 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,919 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,921 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,922 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,924 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,925 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,926 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,928 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:23,930 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-17 08:14:24,154 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-17 08:14:24,154 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-17 08:14:24,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:24,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:24,156 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:24,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-11-17 08:14:24,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:24,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:24,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:14:24,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:24,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:24,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:24,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:14:24,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:14:24,168 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:24,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2024-11-17 08:14:24,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:24,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:24,180 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:24,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-11-17 08:14:24,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:24,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:24,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:14:24,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:24,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:24,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:24,192 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:14:24,192 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:14:24,193 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:24,203 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2024-11-17 08:14:24,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:24,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:24,205 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:24,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-11-17 08:14:24,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:24,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:24,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:14:24,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:24,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:24,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:24,216 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:14:24,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:14:24,217 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:24,227 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-11-17 08:14:24,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:24,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:24,228 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:24,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-11-17 08:14:24,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:24,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:24,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:14:24,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:24,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:24,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:24,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:14:24,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:14:24,240 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:24,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2024-11-17 08:14:24,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:24,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:24,251 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:24,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-11-17 08:14:24,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:24,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:24,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:24,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:24,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:24,263 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:14:24,263 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:14:24,265 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:24,275 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-11-17 08:14:24,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:24,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:24,277 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:24,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-11-17 08:14:24,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:24,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:24,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:24,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:24,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:24,294 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:14:24,295 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:14:24,300 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:24,310 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2024-11-17 08:14:24,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:24,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:24,313 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:24,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-11-17 08:14:24,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:24,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:24,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:24,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:24,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:24,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:14:24,325 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:14:24,327 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:24,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2024-11-17 08:14:24,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:24,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:24,339 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:24,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-11-17 08:14:24,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:24,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:24,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-17 08:14:24,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:24,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:24,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:24,350 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-17 08:14:24,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-17 08:14:24,351 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-17 08:14:24,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2024-11-17 08:14:24,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:24,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:24,361 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:24,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-11-17 08:14:24,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-17 08:14:24,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-17 08:14:24,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-17 08:14:24,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-17 08:14:24,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-17 08:14:24,376 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-17 08:14:24,376 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-17 08:14:24,381 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-17 08:14:24,388 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-17 08:14:24,388 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-11-17 08:14:24,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:14:24,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:14:24,389 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:14:24,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-11-17 08:14:24,390 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-17 08:14:24,401 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-17 08:14:24,401 INFO L474 LassoAnalysis]: Proved termination. [2024-11-17 08:14:24,401 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_5, ULTIMATE.start_cstrspn_~p~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_5 - 1*ULTIMATE.start_cstrspn_~p~0#1.offset Supporting invariants [] [2024-11-17 08:14:24,411 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2024-11-17 08:14:24,433 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2024-11-17 08:14:24,434 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-17 08:14:24,434 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-17 08:14:24,434 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!offset [2024-11-17 08:14:24,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:14:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:14:24,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 08:14:24,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:14:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:14:24,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 08:14:24,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 08:14:24,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:14:24,543 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-11-17 08:14:24,543 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 27 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:24,560 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 27 transitions. cyclomatic complexity: 7. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 36 transitions. Complement of second has 5 states. [2024-11-17 08:14:24,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-17 08:14:24,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:14:24,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2024-11-17 08:14:24,562 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 17 letters. Loop has 4 letters. [2024-11-17 08:14:24,562 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:14:24,562 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 21 letters. Loop has 4 letters. [2024-11-17 08:14:24,562 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:14:24,562 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 17 letters. Loop has 8 letters. [2024-11-17 08:14:24,562 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-17 08:14:24,562 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 36 transitions. [2024-11-17 08:14:24,563 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-17 08:14:24,563 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 0 states and 0 transitions. [2024-11-17 08:14:24,563 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-17 08:14:24,563 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-17 08:14:24,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-17 08:14:24,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:14:24,563 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:14:24,563 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:14:24,563 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 08:14:24,563 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-17 08:14:24,563 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-17 08:14:24,563 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-17 08:14:24,563 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-17 08:14:24,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:14:24 BoogieIcfgContainer [2024-11-17 08:14:24,571 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:14:24,571 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:14:24,571 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:14:24,571 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:14:24,572 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:14:13" (3/4) ... [2024-11-17 08:14:24,573 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 08:14:24,574 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:14:24,574 INFO L158 Benchmark]: Toolchain (without parser) took 11703.10ms. Allocated memory was 134.2MB in the beginning and 251.7MB in the end (delta: 117.4MB). Free memory was 63.6MB in the beginning and 105.8MB in the end (delta: -42.2MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. [2024-11-17 08:14:24,574 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory is still 98.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:14:24,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.73ms. Allocated memory is still 134.2MB. Free memory was 63.2MB in the beginning and 44.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-17 08:14:24,575 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.42ms. Allocated memory is still 134.2MB. Free memory was 44.3MB in the beginning and 42.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:14:24,575 INFO L158 Benchmark]: Boogie Preprocessor took 51.25ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 42.4MB in the beginning and 143.4MB in the end (delta: -101.0MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2024-11-17 08:14:24,575 INFO L158 Benchmark]: IcfgBuilder took 303.44ms. Allocated memory is still 174.1MB. Free memory was 143.4MB in the beginning and 130.2MB in the end (delta: 13.1MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-11-17 08:14:24,575 INFO L158 Benchmark]: BuchiAutomizer took 10992.23ms. Allocated memory was 174.1MB in the beginning and 251.7MB in the end (delta: 77.6MB). Free memory was 130.2MB in the beginning and 105.8MB in the end (delta: 24.5MB). Peak memory consumption was 103.0MB. Max. memory is 16.1GB. [2024-11-17 08:14:24,575 INFO L158 Benchmark]: Witness Printer took 2.90ms. Allocated memory is still 251.7MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:14:24,576 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory is still 98.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.73ms. Allocated memory is still 134.2MB. Free memory was 63.2MB in the beginning and 44.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.42ms. Allocated memory is still 134.2MB. Free memory was 44.3MB in the beginning and 42.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.25ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 42.4MB in the beginning and 143.4MB in the end (delta: -101.0MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * IcfgBuilder took 303.44ms. Allocated memory is still 174.1MB. Free memory was 143.4MB in the beginning and 130.2MB in the end (delta: 13.1MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 10992.23ms. Allocated memory was 174.1MB in the beginning and 251.7MB in the end (delta: 77.6MB). Free memory was 130.2MB in the beginning and 105.8MB in the end (delta: 24.5MB). Peak memory consumption was 103.0MB. Max. memory is 16.1GB. * Witness Printer took 2.90ms. Allocated memory is still 251.7MB. Free memory is still 105.8MB. 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: ~spanp~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~spanp~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~p~0!offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 9 terminating modules (4 trivial, 4 deterministic, 1 nondeterministic). One deterministic module has affine ranking function (length1 + ((long long) -1 * i)) and consists of 3 locations. One deterministic module has affine ranking function (length2 + ((long long) -1 * i)) and consists of 3 locations. One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function null and consists of 4 locations. One nondeterministic module has affine ranking function null and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.9s and 10 iterations. TraceHistogramMax:3. Analysis of lassos took 9.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 7. Automata minimization 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 15 StatesRemovedByMinimization, 7 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 [4, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 161 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 156 mSDsluCounter, 523 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 336 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 247 IncrementalHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 187 mSDtfsCounter, 247 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc4 concLT0 SILN0 SILU0 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital162 mio100 ax111 hnf100 lsp87 ukn76 mio100 lsp35 div134 bol100 ite100 ukn100 eq171 hnf91 smp88 dnf122 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 92ms VariablesStem: 6 VariablesLoop: 6 DisjunctsStem: 2 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 56 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! [2024-11-17 08:14:24,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-11-17 08:14:24,794 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-17 08:14:24,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE