./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-dietlibc/strrchr.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-dietlibc/strrchr.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b850f5453e922b3972aa9b5b79a1b07337c08d581cc5e6a2a56803408dc479cf --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 07:05:14,158 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 07:05:14,195 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2025-01-10 07:05:14,198 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 07:05:14,199 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 07:05:14,218 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 07:05:14,218 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 07:05:14,218 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 07:05:14,219 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 07:05:14,219 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 07:05:14,219 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 07:05:14,219 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 07:05:14,219 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 07:05:14,219 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-01-10 07:05:14,219 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-01-10 07:05:14,219 INFO L153 SettingsManager]: * Use old map elimination=false [2025-01-10 07:05:14,219 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-01-10 07:05:14,220 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-01-10 07:05:14,220 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-01-10 07:05:14,220 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 07:05:14,220 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-01-10 07:05:14,220 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 07:05:14,220 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 07:05:14,220 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-01-10 07:05:14,220 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-01-10 07:05:14,220 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-01-10 07:05:14,220 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 07:05:14,221 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 07:05:14,221 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-01-10 07:05:14,221 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 07:05:14,221 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 07:05:14,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 07:05:14,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 07:05:14,221 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 07:05:14,221 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 07:05:14,221 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-01-10 07:05:14,221 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b850f5453e922b3972aa9b5b79a1b07337c08d581cc5e6a2a56803408dc479cf [2025-01-10 07:05:14,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 07:05:14,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 07:05:14,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 07:05:14,442 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 07:05:14,442 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 07:05:14,443 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-dietlibc/strrchr.i [2025-01-10 07:05:15,743 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/abbf9b2c4/d628ea82c4da41febf1d2b639598f93f/FLAG7e233afa2 [2025-01-10 07:05:16,047 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 07:05:16,047 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/strrchr.i [2025-01-10 07:05:16,061 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/abbf9b2c4/d628ea82c4da41febf1d2b639598f93f/FLAG7e233afa2 [2025-01-10 07:05:16,340 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/abbf9b2c4/d628ea82c4da41febf1d2b639598f93f [2025-01-10 07:05:16,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 07:05:16,343 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 07:05:16,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 07:05:16,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 07:05:16,347 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 07:05:16,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:05:16" (1/1) ... [2025-01-10 07:05:16,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cee22fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:05:16, skipping insertion in model container [2025-01-10 07:05:16,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:05:16" (1/1) ... [2025-01-10 07:05:16,369 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 07:05:16,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:05:16,595 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 07:05:16,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:05:16,636 INFO L204 MainTranslator]: Completed translation [2025-01-10 07:05:16,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:05:16 WrapperNode [2025-01-10 07:05:16,636 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 07:05:16,637 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 07:05:16,637 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 07:05:16,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 07:05:16,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:05:16" (1/1) ... [2025-01-10 07:05:16,648 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:05:16" (1/1) ... [2025-01-10 07:05:16,658 INFO L138 Inliner]: procedures = 114, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 98 [2025-01-10 07:05:16,659 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 07:05:16,659 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 07:05:16,659 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 07:05:16,659 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 07:05:16,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:05:16" (1/1) ... [2025-01-10 07:05:16,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:05:16" (1/1) ... [2025-01-10 07:05:16,667 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:05:16" (1/1) ... [2025-01-10 07:05:16,677 INFO L175 MemorySlicer]: Split 10 memory accesses to 1 slices as follows [10]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2025-01-10 07:05:16,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:05:16" (1/1) ... [2025-01-10 07:05:16,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:05:16" (1/1) ... [2025-01-10 07:05:16,683 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:05:16" (1/1) ... [2025-01-10 07:05:16,687 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:05:16" (1/1) ... [2025-01-10 07:05:16,689 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:05:16" (1/1) ... [2025-01-10 07:05:16,690 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:05:16" (1/1) ... [2025-01-10 07:05:16,692 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:05:16" (1/1) ... [2025-01-10 07:05:16,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 07:05:16,694 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 07:05:16,694 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 07:05:16,695 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 07:05:16,695 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:05:16" (1/1) ... [2025-01-10 07:05:16,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:16,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:16,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:16,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-01-10 07:05:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-10 07:05:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-10 07:05:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-10 07:05:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-10 07:05:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 07:05:16,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 07:05:16,819 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 07:05:16,820 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 07:05:16,936 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2025-01-10 07:05:16,937 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 07:05:16,947 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 07:05:16,947 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-10 07:05:16,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:05:16 BoogieIcfgContainer [2025-01-10 07:05:16,947 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 07:05:16,948 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-01-10 07:05:16,948 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-01-10 07:05:16,953 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-01-10 07:05:16,954 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:05:16,954 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.01 07:05:16" (1/3) ... [2025-01-10 07:05:16,955 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3adaebd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:05:16, skipping insertion in model container [2025-01-10 07:05:16,956 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:05:16,956 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:05:16" (2/3) ... [2025-01-10 07:05:16,956 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3adaebd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:05:16, skipping insertion in model container [2025-01-10 07:05:16,956 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:05:16,956 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:05:16" (3/3) ... [2025-01-10 07:05:16,957 INFO L363 chiAutomizerObserver]: Analyzing ICFG strrchr.i [2025-01-10 07:05:16,991 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-01-10 07:05:16,992 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-01-10 07:05:16,992 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-01-10 07:05:16,992 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-01-10 07:05:16,992 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-01-10 07:05:16,992 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-01-10 07:05:16,992 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-01-10 07:05:16,992 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-01-10 07:05:16,995 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.55) internal successors, (31), 20 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:05:17,009 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2025-01-10 07:05:17,009 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:05:17,009 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:05:17,012 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-01-10 07:05:17,012 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-01-10 07:05:17,012 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-01-10 07:05:17,013 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.55) internal successors, (31), 20 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:05:17,014 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2025-01-10 07:05:17,014 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:05:17,014 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:05:17,014 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-01-10 07:05:17,014 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-01-10 07:05:17,019 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~nondet16#1, main_#t~post17#1, main_~i~0#1, main_#t~nondet18#1, main_#t~ret19#1.base, main_#t~ret19#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~the_int~0#1;havoc main_#t~nondet14#1;main_~in_len~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1;" "assume !(main_~in_len~0#1 < 1);call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;main_~i~0#1 := 0;" [2025-01-10 07:05:17,019 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~in_len~0#1 - 1;havoc main_#t~nondet16#1;call write~int#0(main_#t~nondet16#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1;main_#t~post17#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1;" [2025-01-10 07:05:17,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:05:17,022 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2025-01-10 07:05:17,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:05:17,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874815667] [2025-01-10 07:05:17,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:05:17,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:05:17,076 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-01-10 07:05:17,093 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-01-10 07:05:17,095 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:05:17,096 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:05:17,096 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:05:17,099 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-01-10 07:05:17,102 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-01-10 07:05:17,102 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:05:17,102 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:05:17,113 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:05:17,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:05:17,115 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2025-01-10 07:05:17,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:05:17,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287549058] [2025-01-10 07:05:17,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:05:17,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:05:17,122 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-01-10 07:05:17,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-01-10 07:05:17,130 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:05:17,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:05:17,130 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:05:17,134 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-01-10 07:05:17,137 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-01-10 07:05:17,137 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:05:17,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:05:17,139 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:05:17,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:05:17,140 INFO L85 PathProgramCache]: Analyzing trace with hash 925671, now seen corresponding path program 1 times [2025-01-10 07:05:17,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:05:17,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39294684] [2025-01-10 07:05:17,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:05:17,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:05:17,148 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:05:17,163 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:05:17,163 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:05:17,163 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:05:17,163 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:05:17,166 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:05:17,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:05:17,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:05:17,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:05:17,174 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:05:17,360 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:05:17,361 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:05:17,361 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:05:17,361 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:05:17,361 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-01-10 07:05:17,361 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:17,361 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:05:17,361 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:05:17,361 INFO L132 ssoRankerPreferences]: Filename of dumped script: strrchr.i_Iteration1_Lasso [2025-01-10 07:05:17,362 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:05:17,362 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:05:17,372 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:17,377 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:17,379 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:17,382 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:17,384 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:17,386 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:17,388 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:17,390 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:17,524 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:17,526 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:17,699 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:05:17,701 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-01-10 07:05:17,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:17,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:17,711 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:17,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-01-10 07:05:17,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:17,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:17,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:05:17,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:17,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:17,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:17,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:05:17,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:05:17,744 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:17,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2025-01-10 07:05:17,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:17,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:17,758 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:17,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-01-10 07:05:17,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:17,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:17,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:05:17,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:17,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:17,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:17,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:05:17,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:05:17,775 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:17,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2025-01-10 07:05:17,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:17,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:17,787 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:17,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-01-10 07:05:17,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:17,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:17,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:05:17,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:17,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:17,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:17,801 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:05:17,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:05:17,802 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:17,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2025-01-10 07:05:17,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:17,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:17,815 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:17,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-01-10 07:05:17,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:17,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:17,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:05:17,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:17,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:17,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:17,831 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:05:17,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:05:17,833 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:17,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2025-01-10 07:05:17,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:17,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:17,840 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:17,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-01-10 07:05:17,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:17,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:17,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:05:17,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:17,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:17,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:17,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:05:17,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:05:17,859 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:17,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2025-01-10 07:05:17,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:17,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:17,866 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:17,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-01-10 07:05:17,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:17,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:17,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:05:17,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:17,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:17,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:17,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:05:17,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:05:17,881 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:17,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2025-01-10 07:05:17,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:17,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:17,889 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:17,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-01-10 07:05:17,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:17,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:17,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:05:17,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:17,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:17,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:17,902 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:05:17,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:05:17,903 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:17,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2025-01-10 07:05:17,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:17,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:17,911 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:17,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-01-10 07:05:17,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:17,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:17,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:17,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:17,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:17,938 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:05:17,939 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-01-10 07:05:17,948 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:17,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2025-01-10 07:05:17,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:17,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:17,956 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:17,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-01-10 07:05:17,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:17,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:17,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:05:17,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:17,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:17,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:17,974 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:05:17,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:05:17,977 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:17,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2025-01-10 07:05:17,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:17,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:17,986 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:17,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-01-10 07:05:17,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:18,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:18,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:18,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:18,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:18,006 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:05:18,006 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-01-10 07:05:18,013 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:18,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2025-01-10 07:05:18,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:18,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:18,023 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:18,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-01-10 07:05:18,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:18,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:18,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:18,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:18,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:18,043 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:05:18,043 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-01-10 07:05:18,049 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:18,057 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-01-10 07:05:18,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:18,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:18,062 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:18,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-01-10 07:05:18,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:18,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:18,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:18,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:18,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:18,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:05:18,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-01-10 07:05:18,093 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-01-10 07:05:18,124 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2025-01-10 07:05:18,126 INFO L444 ModelExtractionUtils]: 3 out of 19 variables were initially zero. Simplification set additionally 13 variables to zero. [2025-01-10 07:05:18,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:18,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:18,130 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:18,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-01-10 07:05:18,136 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-01-10 07:05:18,149 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-01-10 07:05:18,150 INFO L474 LassoAnalysis]: Proved termination. [2025-01-10 07:05:18,150 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~in_len~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~in_len~0#1 Supporting invariants [] [2025-01-10 07:05:18,160 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2025-01-10 07:05:18,167 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2025-01-10 07:05:18,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:05:18,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-01-10 07:05:18,192 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-01-10 07:05:18,192 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:05:18,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:05:18,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 07:05:18,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:05:18,201 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-01-10 07:05:18,203 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-01-10 07:05:18,203 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:05:18,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:05:18,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 07:05:18,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:05:18,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:05:18,220 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 [2025-01-10 07:05:18,222 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.55) internal successors, (31), 20 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:05:18,250 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.55) internal successors, (31), 20 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 26 states and 37 transitions. Complement of second has 3 states. [2025-01-10 07:05:18,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2025-01-10 07:05:18,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:05:18,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions. [2025-01-10 07:05:18,259 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 3 letters. Loop has 1 letters. [2025-01-10 07:05:18,260 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:05:18,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 4 letters. Loop has 1 letters. [2025-01-10 07:05:18,260 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:05:18,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 3 letters. Loop has 2 letters. [2025-01-10 07:05:18,260 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:05:18,261 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 37 transitions. [2025-01-10 07:05:18,261 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2025-01-10 07:05:18,263 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 19 states and 25 transitions. [2025-01-10 07:05:18,264 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2025-01-10 07:05:18,264 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2025-01-10 07:05:18,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 25 transitions. [2025-01-10 07:05:18,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 07:05:18,265 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2025-01-10 07:05:18,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 25 transitions. [2025-01-10 07:05:18,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2025-01-10 07:05:18,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:05:18,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2025-01-10 07:05:18,280 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2025-01-10 07:05:18,280 INFO L432 stractBuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2025-01-10 07:05:18,280 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-01-10 07:05:18,280 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2025-01-10 07:05:18,281 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2025-01-10 07:05:18,281 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:05:18,281 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:05:18,281 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-01-10 07:05:18,281 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:05:18,281 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~nondet16#1, main_#t~post17#1, main_~i~0#1, main_#t~nondet18#1, main_#t~ret19#1.base, main_#t~ret19#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~the_int~0#1;havoc main_#t~nondet14#1;main_~in_len~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1;" "assume !(main_~in_len~0#1 < 1);call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;main_~i~0#1 := 0;" "assume !(main_~i~0#1 < main_~in_len~0#1 - 1);havoc main_~i~0#1;call write~int#0(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet18#1;main_~the_int~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~the_int~0#1;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_#t~mem5#1, strrchr_#t~mem6#1, strrchr_#t~pre7#1.base, strrchr_#t~pre7#1.offset, strrchr_#t~mem8#1, strrchr_#t~mem9#1, strrchr_#t~pre10#1.base, strrchr_#t~pre10#1.offset, strrchr_#t~mem11#1, strrchr_#t~mem12#1, strrchr_#t~pre13#1.base, strrchr_#t~pre13#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256);" [2025-01-10 07:05:18,282 INFO L754 eck$LassoCheckResult]: Loop: "call strrchr_#t~mem2#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset;" "call strrchr_#t~mem3#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset;call strrchr_#t~mem5#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume strrchr_#t~mem5#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem5#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset;" "call strrchr_#t~mem6#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume !(0 == strrchr_#t~mem6#1);havoc strrchr_#t~mem6#1;strrchr_#t~pre7#1.base, strrchr_#t~pre7#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre7#1.base, strrchr_#t~pre7#1.offset;call strrchr_#t~mem8#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume strrchr_#t~mem8#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem8#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset;" "call strrchr_#t~mem9#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume !(0 == strrchr_#t~mem9#1);havoc strrchr_#t~mem9#1;strrchr_#t~pre10#1.base, strrchr_#t~pre10#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre10#1.base, strrchr_#t~pre10#1.offset;call strrchr_#t~mem11#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume strrchr_#t~mem11#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem11#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset;" "call strrchr_#t~mem12#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume !(0 == strrchr_#t~mem12#1);havoc strrchr_#t~mem12#1;strrchr_#t~pre13#1.base, strrchr_#t~pre13#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre13#1.base, strrchr_#t~pre13#1.offset;" [2025-01-10 07:05:18,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:05:18,282 INFO L85 PathProgramCache]: Analyzing trace with hash 925673, now seen corresponding path program 1 times [2025-01-10 07:05:18,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:05:18,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282348237] [2025-01-10 07:05:18,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:05:18,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:05:18,294 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:05:18,304 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:05:18,304 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:05:18,304 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:05:18,304 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:05:18,306 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:05:18,317 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:05:18,317 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:05:18,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:05:18,322 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:05:18,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:05:18,322 INFO L85 PathProgramCache]: Analyzing trace with hash -551618552, now seen corresponding path program 1 times [2025-01-10 07:05:18,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:05:18,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135875245] [2025-01-10 07:05:18,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:05:18,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:05:18,328 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 07:05:18,344 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 07:05:18,344 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:05:18,344 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:05:18,344 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:05:18,350 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 07:05:18,356 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 07:05:18,361 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:05:18,361 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:05:18,363 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:05:18,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:05:18,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1916399904, now seen corresponding path program 1 times [2025-01-10 07:05:18,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:05:18,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126264284] [2025-01-10 07:05:18,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:05:18,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:05:18,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-10 07:05:18,394 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-10 07:05:18,394 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:05:18,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:05:18,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2025-01-10 07:05:18,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:05:18,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:05:18,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126264284] [2025-01-10 07:05:18,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126264284] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 07:05:18,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 07:05:18,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-10 07:05:18,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096820121] [2025-01-10 07:05:18,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 07:05:18,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:05:18,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 07:05:18,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-10 07:05:18,964 INFO L87 Difference]: Start difference. First operand 18 states and 24 transitions. cyclomatic complexity: 8 Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 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) [2025-01-10 07:05:19,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:05:19,002 INFO L93 Difference]: Finished difference Result 22 states and 28 transitions. [2025-01-10 07:05:19,002 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 28 transitions. [2025-01-10 07:05:19,003 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2025-01-10 07:05:19,003 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 18 states and 23 transitions. [2025-01-10 07:05:19,003 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2025-01-10 07:05:19,003 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2025-01-10 07:05:19,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2025-01-10 07:05:19,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 07:05:19,003 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2025-01-10 07:05:19,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2025-01-10 07:05:19,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2025-01-10 07:05:19,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:05:19,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2025-01-10 07:05:19,005 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2025-01-10 07:05:19,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 07:05:19,005 INFO L432 stractBuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2025-01-10 07:05:19,006 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-01-10 07:05:19,006 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2025-01-10 07:05:19,006 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2025-01-10 07:05:19,006 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:05:19,006 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:05:19,006 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-01-10 07:05:19,006 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:05:19,007 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~nondet16#1, main_#t~post17#1, main_~i~0#1, main_#t~nondet18#1, main_#t~ret19#1.base, main_#t~ret19#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~the_int~0#1;havoc main_#t~nondet14#1;main_~in_len~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1;" "assume !(main_~in_len~0#1 < 1);call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~in_len~0#1 - 1;havoc main_#t~nondet16#1;call write~int#0(main_#t~nondet16#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1;main_#t~post17#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1;" "assume !(main_~i~0#1 < main_~in_len~0#1 - 1);havoc main_~i~0#1;call write~int#0(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet18#1;main_~the_int~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~the_int~0#1;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_#t~mem5#1, strrchr_#t~mem6#1, strrchr_#t~pre7#1.base, strrchr_#t~pre7#1.offset, strrchr_#t~mem8#1, strrchr_#t~mem9#1, strrchr_#t~pre10#1.base, strrchr_#t~pre10#1.offset, strrchr_#t~mem11#1, strrchr_#t~mem12#1, strrchr_#t~pre13#1.base, strrchr_#t~pre13#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256);" [2025-01-10 07:05:19,007 INFO L754 eck$LassoCheckResult]: Loop: "call strrchr_#t~mem2#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset;" "call strrchr_#t~mem3#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset;call strrchr_#t~mem5#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume strrchr_#t~mem5#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem5#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset;" "call strrchr_#t~mem6#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume !(0 == strrchr_#t~mem6#1);havoc strrchr_#t~mem6#1;strrchr_#t~pre7#1.base, strrchr_#t~pre7#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre7#1.base, strrchr_#t~pre7#1.offset;call strrchr_#t~mem8#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume strrchr_#t~mem8#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem8#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset;" "call strrchr_#t~mem9#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume !(0 == strrchr_#t~mem9#1);havoc strrchr_#t~mem9#1;strrchr_#t~pre10#1.base, strrchr_#t~pre10#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre10#1.base, strrchr_#t~pre10#1.offset;call strrchr_#t~mem11#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume strrchr_#t~mem11#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem11#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset;" "call strrchr_#t~mem12#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume !(0 == strrchr_#t~mem12#1);havoc strrchr_#t~mem12#1;strrchr_#t~pre13#1.base, strrchr_#t~pre13#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre13#1.base, strrchr_#t~pre13#1.offset;" [2025-01-10 07:05:19,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:05:19,007 INFO L85 PathProgramCache]: Analyzing trace with hash 28695814, now seen corresponding path program 1 times [2025-01-10 07:05:19,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:05:19,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721984539] [2025-01-10 07:05:19,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:05:19,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:05:19,011 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 07:05:19,016 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 07:05:19,016 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:05:19,016 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:05:19,016 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:05:19,018 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 07:05:19,021 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 07:05:19,021 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:05:19,021 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:05:19,023 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:05:19,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:05:19,024 INFO L85 PathProgramCache]: Analyzing trace with hash -551618552, now seen corresponding path program 2 times [2025-01-10 07:05:19,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:05:19,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325967339] [2025-01-10 07:05:19,024 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:05:19,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:05:19,028 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 13 statements into 1 equivalence classes. [2025-01-10 07:05:19,031 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 07:05:19,031 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 07:05:19,031 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:05:19,032 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:05:19,033 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 07:05:19,036 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 07:05:19,036 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:05:19,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:05:19,038 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:05:19,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:05:19,038 INFO L85 PathProgramCache]: Analyzing trace with hash -336778461, now seen corresponding path program 1 times [2025-01-10 07:05:19,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:05:19,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454538049] [2025-01-10 07:05:19,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:05:19,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:05:19,044 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 07:05:19,052 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 07:05:19,052 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:05:19,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:05:19,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:05:19,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:05:19,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454538049] [2025-01-10 07:05:19,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454538049] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 07:05:19,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799442245] [2025-01-10 07:05:19,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:05:19,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 07:05:19,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:19,283 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 07:05:19,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-01-10 07:05:19,318 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 07:05:19,334 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 07:05:19,334 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:05:19,334 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:05:19,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 40 conjuncts are in the unsatisfiable core [2025-01-10 07:05:19,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:05:19,389 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 [2025-01-10 07:05:19,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:05:19,482 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 07:05:19,686 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-10 07:05:19,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 134 treesize of output 128 [2025-01-10 07:05:19,701 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 31 treesize of output 27 [2025-01-10 07:05:19,728 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-10 07:05:19,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 123 treesize of output 113 [2025-01-10 07:05:19,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:05:19,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799442245] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 07:05:19,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 07:05:19,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 11] total 23 [2025-01-10 07:05:19,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182967883] [2025-01-10 07:05:19,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 07:05:19,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:05:19,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-01-10 07:05:20,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2025-01-10 07:05:20,000 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. cyclomatic complexity: 7 Second operand has 23 states, 23 states have (on average 1.9565217391304348) internal successors, (45), 23 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:05:20,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:05:20,330 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2025-01-10 07:05:20,330 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 36 transitions. [2025-01-10 07:05:20,330 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2025-01-10 07:05:20,331 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 19 states and 24 transitions. [2025-01-10 07:05:20,331 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2025-01-10 07:05:20,331 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2025-01-10 07:05:20,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 24 transitions. [2025-01-10 07:05:20,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 07:05:20,331 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2025-01-10 07:05:20,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 24 transitions. [2025-01-10 07:05:20,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2025-01-10 07:05:20,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:05:20,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2025-01-10 07:05:20,332 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2025-01-10 07:05:20,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 07:05:20,333 INFO L432 stractBuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2025-01-10 07:05:20,333 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-01-10 07:05:20,333 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2025-01-10 07:05:20,333 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2025-01-10 07:05:20,333 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:05:20,333 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:05:20,334 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] [2025-01-10 07:05:20,334 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:05:20,334 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~nondet16#1, main_#t~post17#1, main_~i~0#1, main_#t~nondet18#1, main_#t~ret19#1.base, main_#t~ret19#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~the_int~0#1;havoc main_#t~nondet14#1;main_~in_len~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1;" "assume !(main_~in_len~0#1 < 1);call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~in_len~0#1 - 1;havoc main_#t~nondet16#1;call write~int#0(main_#t~nondet16#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1;main_#t~post17#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1;" "assume main_~i~0#1 < main_~in_len~0#1 - 1;havoc main_#t~nondet16#1;call write~int#0(main_#t~nondet16#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1;main_#t~post17#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1;" "assume !(main_~i~0#1 < main_~in_len~0#1 - 1);havoc main_~i~0#1;call write~int#0(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet18#1;main_~the_int~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~the_int~0#1;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_#t~mem5#1, strrchr_#t~mem6#1, strrchr_#t~pre7#1.base, strrchr_#t~pre7#1.offset, strrchr_#t~mem8#1, strrchr_#t~mem9#1, strrchr_#t~pre10#1.base, strrchr_#t~pre10#1.offset, strrchr_#t~mem11#1, strrchr_#t~mem12#1, strrchr_#t~pre13#1.base, strrchr_#t~pre13#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256);" [2025-01-10 07:05:20,334 INFO L754 eck$LassoCheckResult]: Loop: "call strrchr_#t~mem2#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset;" "call strrchr_#t~mem3#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset;call strrchr_#t~mem5#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume strrchr_#t~mem5#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem5#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset;" "call strrchr_#t~mem6#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume !(0 == strrchr_#t~mem6#1);havoc strrchr_#t~mem6#1;strrchr_#t~pre7#1.base, strrchr_#t~pre7#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre7#1.base, strrchr_#t~pre7#1.offset;call strrchr_#t~mem8#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume strrchr_#t~mem8#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem8#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset;" "call strrchr_#t~mem9#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume !(0 == strrchr_#t~mem9#1);havoc strrchr_#t~mem9#1;strrchr_#t~pre10#1.base, strrchr_#t~pre10#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre10#1.base, strrchr_#t~pre10#1.offset;call strrchr_#t~mem11#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume strrchr_#t~mem11#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem11#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset;" "call strrchr_#t~mem12#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume !(0 == strrchr_#t~mem12#1);havoc strrchr_#t~mem12#1;strrchr_#t~pre13#1.base, strrchr_#t~pre13#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre13#1.base, strrchr_#t~pre13#1.offset;" [2025-01-10 07:05:20,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:05:20,334 INFO L85 PathProgramCache]: Analyzing trace with hash 889570185, now seen corresponding path program 2 times [2025-01-10 07:05:20,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:05:20,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946519852] [2025-01-10 07:05:20,334 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:05:20,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:05:20,339 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 6 statements into 2 equivalence classes. [2025-01-10 07:05:20,344 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 07:05:20,344 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 07:05:20,344 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:05:20,344 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:05:20,345 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 07:05:20,349 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 07:05:20,349 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:05:20,349 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:05:20,351 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:05:20,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:05:20,351 INFO L85 PathProgramCache]: Analyzing trace with hash -551618552, now seen corresponding path program 3 times [2025-01-10 07:05:20,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:05:20,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815306478] [2025-01-10 07:05:20,352 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 07:05:20,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:05:20,355 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 13 statements into 1 equivalence classes. [2025-01-10 07:05:20,359 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 07:05:20,359 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-01-10 07:05:20,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:05:20,359 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:05:20,360 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 07:05:20,363 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 07:05:20,363 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:05:20,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:05:20,365 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:05:20,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:05:20,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1465831040, now seen corresponding path program 2 times [2025-01-10 07:05:20,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:05:20,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106654754] [2025-01-10 07:05:20,366 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:05:20,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:05:20,385 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 19 statements into 2 equivalence classes. [2025-01-10 07:05:20,398 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 07:05:20,399 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 07:05:20,399 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:05:20,592 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:05:20,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:05:20,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106654754] [2025-01-10 07:05:20,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106654754] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 07:05:20,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978268495] [2025-01-10 07:05:20,592 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:05:20,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 07:05:20,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:20,595 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 07:05:20,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-01-10 07:05:20,638 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 19 statements into 2 equivalence classes. [2025-01-10 07:05:20,655 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 07:05:20,656 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 07:05:20,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:05:20,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 48 conjuncts are in the unsatisfiable core [2025-01-10 07:05:20,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:05:20,705 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 14 treesize of output 10 [2025-01-10 07:05:21,181 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:05:21,182 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 07:05:21,475 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-10 07:05:21,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 130 treesize of output 122 [2025-01-10 07:05:21,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2025-01-10 07:05:21,507 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-10 07:05:21,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 124 treesize of output 94 [2025-01-10 07:05:21,613 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:05:21,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978268495] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 07:05:21,614 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 07:05:21,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 14] total 30 [2025-01-10 07:05:21,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835595153] [2025-01-10 07:05:21,614 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 07:05:21,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:05:21,802 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-01-10 07:05:21,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=768, Unknown=1, NotChecked=0, Total=870 [2025-01-10 07:05:21,802 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. cyclomatic complexity: 7 Second operand has 30 states, 30 states have (on average 1.6) internal successors, (48), 30 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:05:23,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:05:23,023 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2025-01-10 07:05:23,023 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 48 transitions. [2025-01-10 07:05:23,023 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2025-01-10 07:05:23,024 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 20 states and 25 transitions. [2025-01-10 07:05:23,024 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2025-01-10 07:05:23,024 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2025-01-10 07:05:23,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2025-01-10 07:05:23,024 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 07:05:23,024 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2025-01-10 07:05:23,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2025-01-10 07:05:23,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2025-01-10 07:05:23,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 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) [2025-01-10 07:05:23,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2025-01-10 07:05:23,025 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2025-01-10 07:05:23,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-10 07:05:23,030 INFO L432 stractBuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2025-01-10 07:05:23,030 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-01-10 07:05:23,030 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2025-01-10 07:05:23,031 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2025-01-10 07:05:23,031 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:05:23,031 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:05:23,031 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 1, 1, 1, 1] [2025-01-10 07:05:23,031 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:05:23,031 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~nondet16#1, main_#t~post17#1, main_~i~0#1, main_#t~nondet18#1, main_#t~ret19#1.base, main_#t~ret19#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~the_int~0#1;havoc main_#t~nondet14#1;main_~in_len~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1;" "assume !(main_~in_len~0#1 < 1);call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~in_len~0#1 - 1;havoc main_#t~nondet16#1;call write~int#0(main_#t~nondet16#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1;main_#t~post17#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1;" "assume main_~i~0#1 < main_~in_len~0#1 - 1;havoc main_#t~nondet16#1;call write~int#0(main_#t~nondet16#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1;main_#t~post17#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1;" "assume main_~i~0#1 < main_~in_len~0#1 - 1;havoc main_#t~nondet16#1;call write~int#0(main_#t~nondet16#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1;main_#t~post17#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1;" "assume !(main_~i~0#1 < main_~in_len~0#1 - 1);havoc main_~i~0#1;call write~int#0(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet18#1;main_~the_int~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~the_int~0#1;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_#t~mem5#1, strrchr_#t~mem6#1, strrchr_#t~pre7#1.base, strrchr_#t~pre7#1.offset, strrchr_#t~mem8#1, strrchr_#t~mem9#1, strrchr_#t~pre10#1.base, strrchr_#t~pre10#1.offset, strrchr_#t~mem11#1, strrchr_#t~mem12#1, strrchr_#t~pre13#1.base, strrchr_#t~pre13#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256);" [2025-01-10 07:05:23,031 INFO L754 eck$LassoCheckResult]: Loop: "call strrchr_#t~mem2#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset;" "call strrchr_#t~mem3#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset;call strrchr_#t~mem5#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume strrchr_#t~mem5#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem5#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset;" "call strrchr_#t~mem6#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume !(0 == strrchr_#t~mem6#1);havoc strrchr_#t~mem6#1;strrchr_#t~pre7#1.base, strrchr_#t~pre7#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre7#1.base, strrchr_#t~pre7#1.offset;call strrchr_#t~mem8#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume strrchr_#t~mem8#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem8#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset;" "call strrchr_#t~mem9#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume !(0 == strrchr_#t~mem9#1);havoc strrchr_#t~mem9#1;strrchr_#t~pre10#1.base, strrchr_#t~pre10#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre10#1.base, strrchr_#t~pre10#1.offset;call strrchr_#t~mem11#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume strrchr_#t~mem11#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem11#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset;" "call strrchr_#t~mem12#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume !(0 == strrchr_#t~mem12#1);havoc strrchr_#t~mem12#1;strrchr_#t~pre13#1.base, strrchr_#t~pre13#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre13#1.base, strrchr_#t~pre13#1.offset;" [2025-01-10 07:05:23,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:05:23,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1806871910, now seen corresponding path program 3 times [2025-01-10 07:05:23,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:05:23,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455762745] [2025-01-10 07:05:23,032 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 07:05:23,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:05:23,037 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 7 statements into 3 equivalence classes. [2025-01-10 07:05:23,048 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:05:23,048 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-10 07:05:23,048 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:05:23,049 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:05:23,050 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:05:23,054 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:05:23,054 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:05:23,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:05:23,056 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:05:23,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:05:23,056 INFO L85 PathProgramCache]: Analyzing trace with hash -551618552, now seen corresponding path program 4 times [2025-01-10 07:05:23,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:05:23,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176920665] [2025-01-10 07:05:23,056 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 07:05:23,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:05:23,059 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 13 statements into 2 equivalence classes. [2025-01-10 07:05:23,061 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 07:05:23,061 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 07:05:23,061 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:05:23,061 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:05:23,062 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 07:05:23,063 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 07:05:23,063 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:05:23,063 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:05:23,064 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:05:23,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:05:23,065 INFO L85 PathProgramCache]: Analyzing trace with hash -2106722621, now seen corresponding path program 3 times [2025-01-10 07:05:23,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:05:23,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718507879] [2025-01-10 07:05:23,065 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 07:05:23,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:05:23,073 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 20 statements into 3 equivalence classes. [2025-01-10 07:05:23,097 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 20 of 20 statements. [2025-01-10 07:05:23,097 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-10 07:05:23,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:05:23,485 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:05:23,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:05:23,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718507879] [2025-01-10 07:05:23,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718507879] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 07:05:23,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376179248] [2025-01-10 07:05:23,485 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 07:05:23,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 07:05:23,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:23,491 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 07:05:23,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-01-10 07:05:23,532 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 20 statements into 3 equivalence classes. [2025-01-10 07:05:23,550 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 20 of 20 statements. [2025-01-10 07:05:23,550 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-10 07:05:23,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:05:23,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 62 conjuncts are in the unsatisfiable core [2025-01-10 07:05:23,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:05:23,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-01-10 07:05:23,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-01-10 07:05:23,596 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 11 treesize of output 7 [2025-01-10 07:05:23,886 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:05:23,886 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 07:05:24,162 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 111 treesize of output 101 [2025-01-10 07:05:24,179 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-10 07:05:24,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 4066 treesize of output 3742 [2025-01-10 07:05:24,402 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:05:24,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376179248] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 07:05:24,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 07:05:24,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 27 [2025-01-10 07:05:24,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005481931] [2025-01-10 07:05:24,403 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 07:05:24,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:05:24,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-01-10 07:05:24,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=615, Unknown=0, NotChecked=0, Total=702 [2025-01-10 07:05:24,622 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. cyclomatic complexity: 7 Second operand has 27 states, 27 states have (on average 1.4444444444444444) internal successors, (39), 27 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:05:24,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:05:24,918 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions. [2025-01-10 07:05:24,918 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 52 transitions. [2025-01-10 07:05:24,919 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2025-01-10 07:05:24,923 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 42 states and 52 transitions. [2025-01-10 07:05:24,923 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2025-01-10 07:05:24,923 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2025-01-10 07:05:24,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 52 transitions. [2025-01-10 07:05:24,923 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 07:05:24,923 INFO L218 hiAutomatonCegarLoop]: Abstraction has 42 states and 52 transitions. [2025-01-10 07:05:24,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 52 transitions. [2025-01-10 07:05:24,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 32. [2025-01-10 07:05:24,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.28125) internal successors, (41), 31 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) [2025-01-10 07:05:24,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 41 transitions. [2025-01-10 07:05:24,924 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 41 transitions. [2025-01-10 07:05:24,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-10 07:05:24,929 INFO L432 stractBuchiCegarLoop]: Abstraction has 32 states and 41 transitions. [2025-01-10 07:05:24,929 INFO L338 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-01-10 07:05:24,929 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 41 transitions. [2025-01-10 07:05:24,930 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2025-01-10 07:05:24,930 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:05:24,930 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:05:24,931 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 1, 1, 1, 1] [2025-01-10 07:05:24,931 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:05:24,931 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~nondet16#1, main_#t~post17#1, main_~i~0#1, main_#t~nondet18#1, main_#t~ret19#1.base, main_#t~ret19#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~the_int~0#1;havoc main_#t~nondet14#1;main_~in_len~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1;" "assume !(main_~in_len~0#1 < 1);call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~in_len~0#1 - 1;havoc main_#t~nondet16#1;call write~int#0(main_#t~nondet16#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1;main_#t~post17#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1;" "assume main_~i~0#1 < main_~in_len~0#1 - 1;havoc main_#t~nondet16#1;call write~int#0(main_#t~nondet16#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1;main_#t~post17#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1;" "assume main_~i~0#1 < main_~in_len~0#1 - 1;havoc main_#t~nondet16#1;call write~int#0(main_#t~nondet16#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1;main_#t~post17#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1;" "assume main_~i~0#1 < main_~in_len~0#1 - 1;havoc main_#t~nondet16#1;call write~int#0(main_#t~nondet16#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1;main_#t~post17#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1;" "assume !(main_~i~0#1 < main_~in_len~0#1 - 1);havoc main_~i~0#1;call write~int#0(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet18#1;main_~the_int~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~the_int~0#1;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_#t~mem5#1, strrchr_#t~mem6#1, strrchr_#t~pre7#1.base, strrchr_#t~pre7#1.offset, strrchr_#t~mem8#1, strrchr_#t~mem9#1, strrchr_#t~pre10#1.base, strrchr_#t~pre10#1.offset, strrchr_#t~mem11#1, strrchr_#t~mem12#1, strrchr_#t~pre13#1.base, strrchr_#t~pre13#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256);" [2025-01-10 07:05:24,931 INFO L754 eck$LassoCheckResult]: Loop: "call strrchr_#t~mem2#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset;" "call strrchr_#t~mem3#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset;call strrchr_#t~mem5#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume strrchr_#t~mem5#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem5#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset;" "call strrchr_#t~mem6#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume !(0 == strrchr_#t~mem6#1);havoc strrchr_#t~mem6#1;strrchr_#t~pre7#1.base, strrchr_#t~pre7#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre7#1.base, strrchr_#t~pre7#1.offset;call strrchr_#t~mem8#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume strrchr_#t~mem8#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem8#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset;" "call strrchr_#t~mem9#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume !(0 == strrchr_#t~mem9#1);havoc strrchr_#t~mem9#1;strrchr_#t~pre10#1.base, strrchr_#t~pre10#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre10#1.base, strrchr_#t~pre10#1.offset;call strrchr_#t~mem11#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume strrchr_#t~mem11#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem11#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset;" "call strrchr_#t~mem12#1 := read~int#0(strrchr_~t#1.base, strrchr_~t#1.offset, 1);" "assume !(0 == strrchr_#t~mem12#1);havoc strrchr_#t~mem12#1;strrchr_#t~pre13#1.base, strrchr_#t~pre13#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre13#1.base, strrchr_#t~pre13#1.offset;" [2025-01-10 07:05:24,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:05:24,931 INFO L85 PathProgramCache]: Analyzing trace with hash 178454313, now seen corresponding path program 4 times [2025-01-10 07:05:24,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:05:24,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29524096] [2025-01-10 07:05:24,932 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 07:05:24,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:05:24,936 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 8 statements into 2 equivalence classes. [2025-01-10 07:05:24,944 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:05:24,945 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 07:05:24,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:05:24,946 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:05:24,947 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:05:24,949 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:05:24,950 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:05:24,950 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:05:24,953 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:05:24,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:05:24,954 INFO L85 PathProgramCache]: Analyzing trace with hash -551618552, now seen corresponding path program 5 times [2025-01-10 07:05:24,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:05:24,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066996145] [2025-01-10 07:05:24,954 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 07:05:24,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:05:24,957 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 13 statements into 1 equivalence classes. [2025-01-10 07:05:24,960 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 07:05:24,962 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 07:05:24,962 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:05:24,962 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:05:24,963 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 07:05:24,964 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 07:05:24,964 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:05:24,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:05:24,966 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:05:24,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:05:24,968 INFO L85 PathProgramCache]: Analyzing trace with hash -499525152, now seen corresponding path program 4 times [2025-01-10 07:05:24,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:05:24,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689271710] [2025-01-10 07:05:24,969 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 07:05:24,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:05:24,973 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 21 statements into 2 equivalence classes. [2025-01-10 07:05:24,985 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 21 of 21 statements. [2025-01-10 07:05:24,987 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 07:05:24,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:05:24,987 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:05:24,989 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-10 07:05:25,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-10 07:05:25,004 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:05:25,004 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:05:25,008 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:05:26,014 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:05:26,015 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:05:26,015 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:05:26,015 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:05:26,015 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-01-10 07:05:26,015 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:26,015 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:05:26,015 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:05:26,015 INFO L132 ssoRankerPreferences]: Filename of dumped script: strrchr.i_Iteration6_Lasso [2025-01-10 07:05:26,015 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:05:26,015 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:05:26,018 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,024 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,030 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,033 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,042 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,053 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,062 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,074 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,079 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,088 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,091 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,100 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,106 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,115 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,119 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,120 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,122 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,123 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,124 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,363 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,368 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,370 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,371 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,381 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,390 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,397 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,403 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,417 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,423 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,429 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,440 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:05:26,675 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:05:26,675 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-01-10 07:05:26,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:26,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:26,681 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:26,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-01-10 07:05:26,683 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:26,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:26,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:05:26,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:26,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:26,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:26,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:05:26,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:05:26,696 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:26,702 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2025-01-10 07:05:26,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:26,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:26,704 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:26,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2025-01-10 07:05:26,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:26,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:26,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:05:26,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:26,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:26,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:26,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:05:26,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:05:26,719 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:26,725 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2025-01-10 07:05:26,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:26,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:26,728 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:26,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2025-01-10 07:05:26,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:26,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:26,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:05:26,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:26,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:26,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:26,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:05:26,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:05:26,742 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:26,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2025-01-10 07:05:26,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:26,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:26,750 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:26,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2025-01-10 07:05:26,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:26,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:26,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:05:26,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:26,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:26,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:26,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:05:26,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:05:26,769 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:26,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2025-01-10 07:05:26,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:26,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:26,777 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:26,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2025-01-10 07:05:26,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:26,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:26,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:05:26,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:26,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:26,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:26,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:05:26,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:05:26,794 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:26,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2025-01-10 07:05:26,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:26,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:26,803 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:26,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2025-01-10 07:05:26,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:26,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:26,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:05:26,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:26,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:26,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:26,816 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:05:26,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:05:26,817 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:26,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2025-01-10 07:05:26,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:26,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:26,825 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:26,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2025-01-10 07:05:26,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:26,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:26,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:05:26,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:26,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:26,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:26,838 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:05:26,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:05:26,839 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:26,845 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2025-01-10 07:05:26,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:26,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:26,847 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:26,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2025-01-10 07:05:26,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:26,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:26,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:05:26,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:26,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:26,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:26,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:05:26,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:05:26,868 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:26,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2025-01-10 07:05:26,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:26,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:26,877 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:26,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2025-01-10 07:05:26,880 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:26,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:26,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:05:26,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:26,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:26,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:26,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:05:26,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:05:26,897 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:26,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2025-01-10 07:05:26,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:26,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:26,905 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:26,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2025-01-10 07:05:26,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:26,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:26,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:05:26,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:26,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:26,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:26,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:05:26,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:05:26,919 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:26,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2025-01-10 07:05:26,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:26,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:26,928 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:26,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2025-01-10 07:05:26,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:26,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:26,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:05:26,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:26,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:26,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:26,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:05:26,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:05:26,943 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:26,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2025-01-10 07:05:26,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:26,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:26,952 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:26,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2025-01-10 07:05:26,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:26,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:26,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:05:26,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:26,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:26,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:26,965 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:05:26,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:05:26,966 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:26,971 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2025-01-10 07:05:26,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:26,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:26,980 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:26,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2025-01-10 07:05:26,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:26,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:26,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:05:26,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:26,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:26,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:26,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:05:26,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:05:26,993 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:26,998 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2025-01-10 07:05:26,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:26,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:27,000 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:27,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2025-01-10 07:05:27,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:27,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:27,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:05:27,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:27,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:27,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:27,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:05:27,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:05:27,014 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:27,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2025-01-10 07:05:27,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:27,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:27,022 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:27,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2025-01-10 07:05:27,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:27,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:27,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:05:27,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:27,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:27,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:27,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:05:27,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:05:27,036 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:27,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2025-01-10 07:05:27,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:27,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:27,044 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:27,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2025-01-10 07:05:27,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:27,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:27,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:05:27,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:27,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:27,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:27,057 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:05:27,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:05:27,058 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:27,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2025-01-10 07:05:27,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:27,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:27,066 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:27,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2025-01-10 07:05:27,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:27,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:27,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:05:27,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:27,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:27,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:27,080 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:05:27,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:05:27,081 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:27,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2025-01-10 07:05:27,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:27,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:27,088 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:27,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2025-01-10 07:05:27,092 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 [2025-01-10 07:05:27,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:27,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:05:27,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:27,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:27,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:27,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:05:27,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:05:27,103 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:27,110 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2025-01-10 07:05:27,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:27,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:27,113 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:27,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2025-01-10 07:05:27,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:27,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:27,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:05:27,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:27,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:27,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:27,126 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:05:27,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:05:27,128 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:27,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2025-01-10 07:05:27,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:27,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:27,136 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:27,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2025-01-10 07:05:27,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:27,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:27,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:27,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:27,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:27,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:05:27,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-01-10 07:05:27,151 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:27,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2025-01-10 07:05:27,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:27,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:27,159 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:27,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2025-01-10 07:05:27,162 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 [2025-01-10 07:05:27,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:27,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:05:27,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:27,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:27,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:27,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:05:27,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:05:27,178 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:27,184 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2025-01-10 07:05:27,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:27,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:27,187 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:27,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2025-01-10 07:05:27,190 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 [2025-01-10 07:05:27,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:27,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:05:27,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:27,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:27,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:27,200 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:05:27,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:05:27,201 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:27,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2025-01-10 07:05:27,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:27,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:27,209 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:27,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2025-01-10 07:05:27,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:27,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:27,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:27,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:27,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:27,224 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:05:27,224 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-01-10 07:05:27,229 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:27,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2025-01-10 07:05:27,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:27,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:27,236 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:27,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2025-01-10 07:05:27,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:27,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:27,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:27,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:27,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:27,255 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:05:27,255 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-01-10 07:05:27,261 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:27,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2025-01-10 07:05:27,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:27,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:27,270 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:27,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2025-01-10 07:05:27,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:27,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:27,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:27,286 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-01-10 07:05:27,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:27,295 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2025-01-10 07:05:27,295 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2025-01-10 07:05:27,311 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:05:27,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2025-01-10 07:05:27,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:27,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:27,320 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:27,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2025-01-10 07:05:27,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:05:27,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:05:27,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:05:27,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:05:27,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:05:27,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:05:27,343 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-01-10 07:05:27,356 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-01-10 07:05:27,375 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2025-01-10 07:05:27,375 INFO L444 ModelExtractionUtils]: 1 out of 16 variables were initially zero. Simplification set additionally 12 variables to zero. [2025-01-10 07:05:27,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:05:27,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:05:27,377 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:05:27,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2025-01-10 07:05:27,380 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-01-10 07:05:27,390 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-01-10 07:05:27,391 INFO L474 LassoAnalysis]: Proved termination. [2025-01-10 07:05:27,391 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc15#1.base)_2, ULTIMATE.start_strrchr_~t#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc15#1.base)_2 - 1*ULTIMATE.start_strrchr_~t#1.offset Supporting invariants [] [2025-01-10 07:05:27,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2025-01-10 07:05:27,426 INFO L156 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2025-01-10 07:05:27,428 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~t!offset [2025-01-10 07:05:27,429 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2025-01-10 07:05:27,429 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2025-01-10 07:05:27,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:05:27,452 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:05:27,462 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:05:27,462 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:05:27,462 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:05:27,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 07:05:27,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:05:27,490 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 07:05:27,497 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 07:05:27,497 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:05:27,497 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:05:27,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-10 07:05:27,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:05:27,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:05:27,596 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2025-01-10 07:05:27,596 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 41 transitions. cyclomatic complexity: 11 Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:05:27,658 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 41 transitions. cyclomatic complexity: 11. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 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 49 states and 67 transitions. Complement of second has 7 states. [2025-01-10 07:05:27,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2025-01-10 07:05:27,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:05:27,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2025-01-10 07:05:27,659 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 8 letters. Loop has 13 letters. [2025-01-10 07:05:27,659 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:05:27,659 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 21 letters. Loop has 13 letters. [2025-01-10 07:05:27,659 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:05:27,659 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 8 letters. Loop has 26 letters. [2025-01-10 07:05:27,659 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:05:27,659 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 67 transitions. [2025-01-10 07:05:27,661 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-01-10 07:05:27,661 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 0 states and 0 transitions. [2025-01-10 07:05:27,661 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-01-10 07:05:27,661 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-01-10 07:05:27,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-01-10 07:05:27,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 07:05:27,661 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 07:05:27,661 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 07:05:27,661 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 07:05:27,661 INFO L338 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2025-01-10 07:05:27,661 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-01-10 07:05:27,661 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-01-10 07:05:27,661 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-01-10 07:05:27,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.01 07:05:27 BoogieIcfgContainer [2025-01-10 07:05:27,667 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-01-10 07:05:27,667 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 07:05:27,667 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 07:05:27,667 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 07:05:27,668 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:05:16" (3/4) ... [2025-01-10 07:05:27,669 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-10 07:05:27,669 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 07:05:27,670 INFO L158 Benchmark]: Toolchain (without parser) took 11327.15ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 112.4MB in the beginning and 80.6MB in the end (delta: 31.7MB). Peak memory consumption was 109.0MB. Max. memory is 16.1GB. [2025-01-10 07:05:27,670 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:05:27,670 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.94ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 95.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 07:05:27,670 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.63ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 94.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:05:27,670 INFO L158 Benchmark]: Boogie Preprocessor took 34.71ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 92.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:05:27,671 INFO L158 Benchmark]: RCFGBuilder took 252.85ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 78.5MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 07:05:27,671 INFO L158 Benchmark]: BuchiAutomizer took 10718.92ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 78.5MB in the beginning and 80.7MB in the end (delta: -2.2MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. [2025-01-10 07:05:27,671 INFO L158 Benchmark]: Witness Printer took 2.38ms. Allocated memory is still 218.1MB. Free memory was 80.7MB in the beginning and 80.6MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:05:27,672 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.94ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 95.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.63ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 94.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.71ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 92.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 252.85ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 78.5MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 10718.92ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 78.5MB in the beginning and 80.7MB in the end (delta: -2.2MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. * Witness Printer took 2.38ms. Allocated memory is still 218.1MB. Free memory was 80.7MB in the beginning and 80.6MB in the end (delta: 42.1kB). 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: ~t!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (4 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long) -1 * i) + in_len) and consists of 2 locations. One deterministic module has affine ranking function null and consists of 5 locations. 4 modules have a trivial ranking function, the largest among these consists of 30 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.6s and 7 iterations. TraceHistogramMax:4. Analysis of lassos took 8.3s. Construction of modules took 0.9s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 113 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 112 mSDsluCounter, 306 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 252 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1128 IncrementalHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 54 mSDtfsCounter, 1128 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc4 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital134 mio100 ax100 hnf100 lsp104 ukn71 mio100 lsp44 div143 bol100 ite100 ukn100 eq173 hnf91 smp85 dnf113 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 43ms VariablesStem: 6 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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! [2025-01-10 07:05:27,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2025-01-10 07:05:27,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-01-10 07:05:28,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-01-10 07:05:28,288 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-01-10 07:05:28,494 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE