./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/string-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c00e63dc 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/loops/string-1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash 7c71ebd98a3b6e7de0397eeeb86fda8d96b2d4c8ea0b8e1766ce392ff80613de --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 19:30:55,733 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 19:30:55,789 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-06 19:30:55,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 19:30:55,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 19:30:55,797 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 19:30:55,817 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 19:30:55,818 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 19:30:55,818 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 19:30:55,819 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 19:30:55,819 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 19:30:55,820 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 19:30:55,820 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 19:30:55,820 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 19:30:55,820 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 19:30:55,820 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 19:30:55,821 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 19:30:55,821 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 19:30:55,821 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 19:30:55,821 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 19:30:55,821 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 19:30:55,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 19:30:55,821 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 19:30:55,821 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 19:30:55,821 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 19:30:55,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 19:30:55,822 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 19:30:55,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 19:30:55,822 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 19:30:55,822 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 19:30:55,822 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 19:30:55,822 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 19:30:55,822 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 19:30:55,822 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 19:30:55,822 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 19:30:55,822 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 19:30:55,823 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 19:30:55,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 19:30:55,823 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 19:30:55,823 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 19:30:55,823 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c71ebd98a3b6e7de0397eeeb86fda8d96b2d4c8ea0b8e1766ce392ff80613de [2025-02-06 19:30:56,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 19:30:56,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 19:30:56,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 19:30:56,037 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 19:30:56,037 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 19:30:56,038 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/string-1.i [2025-02-06 19:30:57,157 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d93ed50fc/f9ae3482a88b4eceb8ce92e6ef589ae6/FLAG3c76b4fd2 [2025-02-06 19:30:57,417 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 19:30:57,418 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/loops/string-1.i [2025-02-06 19:30:57,424 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d93ed50fc/f9ae3482a88b4eceb8ce92e6ef589ae6/FLAG3c76b4fd2 [2025-02-06 19:30:57,436 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d93ed50fc/f9ae3482a88b4eceb8ce92e6ef589ae6 [2025-02-06 19:30:57,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 19:30:57,439 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 19:30:57,439 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 19:30:57,440 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 19:30:57,442 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 19:30:57,443 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:30:57" (1/1) ... [2025-02-06 19:30:57,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be81718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:30:57, skipping insertion in model container [2025-02-06 19:30:57,444 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:30:57" (1/1) ... [2025-02-06 19:30:57,454 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 19:30:57,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:30:57,590 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 19:30:57,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:30:57,613 INFO L204 MainTranslator]: Completed translation [2025-02-06 19:30:57,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:30:57 WrapperNode [2025-02-06 19:30:57,614 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 19:30:57,615 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 19:30:57,615 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 19:30:57,615 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 19:30:57,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:30:57" (1/1) ... [2025-02-06 19:30:57,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:30:57" (1/1) ... [2025-02-06 19:30:57,636 INFO L138 Inliner]: procedures = 17, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 112 [2025-02-06 19:30:57,637 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 19:30:57,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 19:30:57,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 19:30:57,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 19:30:57,643 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:30:57" (1/1) ... [2025-02-06 19:30:57,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:30:57" (1/1) ... [2025-02-06 19:30:57,645 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:30:57" (1/1) ... [2025-02-06 19:30:57,655 INFO L175 MemorySlicer]: Split 10 memory accesses to 3 slices as follows [2, 4, 4]. 40 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2025-02-06 19:30:57,655 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:30:57" (1/1) ... [2025-02-06 19:30:57,655 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:30:57" (1/1) ... [2025-02-06 19:30:57,659 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:30:57" (1/1) ... [2025-02-06 19:30:57,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:30:57" (1/1) ... [2025-02-06 19:30:57,660 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:30:57" (1/1) ... [2025-02-06 19:30:57,661 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:30:57" (1/1) ... [2025-02-06 19:30:57,662 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 19:30:57,665 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 19:30:57,665 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 19:30:57,666 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 19:30:57,666 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:30:57" (1/1) ... [2025-02-06 19:30:57,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:30:57,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:30:57,694 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) [2025-02-06 19:30:57,699 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 [2025-02-06 19:30:57,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 19:30:57,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 19:30:57,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 19:30:57,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 19:30:57,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 19:30:57,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 19:30:57,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 19:30:57,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 19:30:57,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 19:30:57,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 19:30:57,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 19:30:57,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 19:30:57,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 19:30:57,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 19:30:57,774 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 19:30:57,775 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 19:30:57,921 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L30: call ULTIMATE.dealloc(main_~#string_A~0#1.base, main_~#string_A~0#1.offset);havoc main_~#string_A~0#1.base, main_~#string_A~0#1.offset;call ULTIMATE.dealloc(main_~#string_B~0#1.base, main_~#string_B~0#1.offset);havoc main_~#string_B~0#1.base, main_~#string_B~0#1.offset; [2025-02-06 19:30:57,934 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2025-02-06 19:30:57,934 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 19:30:57,944 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 19:30:57,945 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 19:30:57,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:30:57 BoogieIcfgContainer [2025-02-06 19:30:57,945 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 19:30:57,947 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 19:30:57,947 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 19:30:57,952 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 19:30:57,952 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:30:57,953 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 07:30:57" (1/3) ... [2025-02-06 19:30:57,955 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23b58612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:30:57, skipping insertion in model container [2025-02-06 19:30:57,956 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:30:57,956 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:30:57" (2/3) ... [2025-02-06 19:30:57,956 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23b58612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:30:57, skipping insertion in model container [2025-02-06 19:30:57,956 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:30:57,956 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:30:57" (3/3) ... [2025-02-06 19:30:57,957 INFO L363 chiAutomizerObserver]: Analyzing ICFG string-1.i [2025-02-06 19:30:57,999 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 19:30:57,999 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 19:30:57,999 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 19:30:57,999 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 19:30:57,999 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 19:30:57,999 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 19:30:57,999 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 19:30:57,999 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 19:30:58,004 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.619047619047619) internal successors, (34), 21 states have internal predecessors, (34), 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) [2025-02-06 19:30:58,016 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 8 [2025-02-06 19:30:58,017 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:30:58,017 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:30:58,021 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-02-06 19:30:58,022 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-02-06 19:30:58,022 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 19:30:58,022 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.619047619047619) internal successors, (34), 21 states have internal predecessors, (34), 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) [2025-02-06 19:30:58,024 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 8 [2025-02-06 19:30:58,024 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:30:58,025 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:30:58,025 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-02-06 19:30:58,026 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-02-06 19:30:58,029 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" [2025-02-06 19:30:58,030 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" [2025-02-06 19:30:58,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:30:58,034 INFO L85 PathProgramCache]: Analyzing trace with hash 2496, now seen corresponding path program 1 times [2025-02-06 19:30:58,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:30:58,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269810729] [2025-02-06 19:30:58,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:30:58,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:30:58,094 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:30:58,108 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:30:58,109 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:30:58,109 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:30:58,110 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:30:58,113 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:30:58,117 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:30:58,118 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:30:58,118 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:30:58,130 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:30:58,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:30:58,133 INFO L85 PathProgramCache]: Analyzing trace with hash 77, now seen corresponding path program 1 times [2025-02-06 19:30:58,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:30:58,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16232533] [2025-02-06 19:30:58,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:30:58,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:30:58,137 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-06 19:30:58,140 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-06 19:30:58,141 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:30:58,141 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:30:58,141 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:30:58,142 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-06 19:30:58,145 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-06 19:30:58,145 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:30:58,145 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:30:58,147 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:30:58,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:30:58,148 INFO L85 PathProgramCache]: Analyzing trace with hash 77422, now seen corresponding path program 1 times [2025-02-06 19:30:58,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:30:58,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417758664] [2025-02-06 19:30:58,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:30:58,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:30:58,154 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:30:58,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:30:58,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:30:58,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:30:58,173 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:30:58,177 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:30:58,189 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:30:58,189 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:30:58,189 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:30:58,191 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:30:58,488 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:30:58,489 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:30:58,489 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:30:58,489 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:30:58,489 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:30:58,489 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:30:58,489 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:30:58,489 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:30:58,489 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration1_Lasso [2025-02-06 19:30:58,489 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:30:58,489 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:30:58,503 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:30:58,510 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:30:58,512 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:30:58,516 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:30:58,519 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:30:58,521 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:30:58,524 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:30:58,539 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:30:58,541 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:30:58,544 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:30:58,546 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:30:58,549 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:30:58,551 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:30:58,554 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:30:58,556 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:30:58,558 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:30:58,560 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:30:58,562 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:30:58,564 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:30:58,566 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:30:58,741 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:30:58,927 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:30:58,929 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:30:58,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:30:58,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:30:58,932 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) [2025-02-06 19:30:58,933 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 [2025-02-06 19:30:58,934 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 [2025-02-06 19:30:58,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:30:58,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:30:58,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:30:58,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:30:58,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:30:58,948 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:30:58,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:30:58,949 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:30:58,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2025-02-06 19:30:58,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:30:58,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:30:58,957 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) [2025-02-06 19:30:58,958 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 [2025-02-06 19:30:58,960 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 [2025-02-06 19:30:58,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:30:58,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:30:58,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:30:58,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:30:58,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:30:58,971 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:30:58,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:30:58,972 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:30:58,977 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-02-06 19:30:58,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:30:58,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:30:58,979 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) [2025-02-06 19:30:58,980 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 [2025-02-06 19:30:58,980 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 [2025-02-06 19:30:58,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:30:58,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:30:58,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:30:58,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:30:58,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:30:58,993 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:30:58,995 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:30:59,001 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-02-06 19:30:59,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:30:59,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:30:59,003 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) [2025-02-06 19:30:59,005 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 [2025-02-06 19:30:59,006 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:30:59,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:30:59,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:30:59,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:30:59,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:30:59,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:30:59,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:30:59,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:30:59,018 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:30:59,024 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 [2025-02-06 19:30:59,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:30:59,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:30:59,026 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) [2025-02-06 19:30:59,027 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 [2025-02-06 19:30:59,029 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 [2025-02-06 19:30:59,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:30:59,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:30:59,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:30:59,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:30:59,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:30:59,040 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:30:59,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:30:59,041 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:30:59,046 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 [2025-02-06 19:30:59,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:30:59,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:30:59,049 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) [2025-02-06 19:30:59,050 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 [2025-02-06 19:30:59,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:30:59,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:30:59,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:30:59,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:30:59,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:30:59,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:30:59,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:30:59,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:30:59,063 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:30:59,069 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2025-02-06 19:30:59,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:30:59,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:30:59,071 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) [2025-02-06 19:30:59,071 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 [2025-02-06 19:30:59,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:30:59,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:30:59,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:30:59,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:30:59,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:30:59,085 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:30:59,085 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:30:59,088 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:30:59,094 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 [2025-02-06 19:30:59,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:30:59,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:30:59,096 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) [2025-02-06 19:30:59,096 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 [2025-02-06 19:30:59,098 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 [2025-02-06 19:30:59,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:30:59,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:30:59,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:30:59,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:30:59,110 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:30:59,110 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:30:59,112 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:30:59,118 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 [2025-02-06 19:30:59,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:30:59,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:30:59,121 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) [2025-02-06 19:30:59,121 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 [2025-02-06 19:30:59,122 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 [2025-02-06 19:30:59,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:30:59,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:30:59,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:30:59,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:30:59,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:30:59,133 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:30:59,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:30:59,134 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:30:59,139 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2025-02-06 19:30:59,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:30:59,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:30:59,141 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) [2025-02-06 19:30:59,141 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 [2025-02-06 19:30:59,142 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 [2025-02-06 19:30:59,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:30:59,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:30:59,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:30:59,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:30:59,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:30:59,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:30:59,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:30:59,153 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:30:59,158 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-02-06 19:30:59,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:30:59,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:30:59,161 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) [2025-02-06 19:30:59,162 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 [2025-02-06 19:30:59,163 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 [2025-02-06 19:30:59,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:30:59,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:30:59,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:30:59,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:30:59,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:30:59,173 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:30:59,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:30:59,174 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:30:59,180 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 [2025-02-06 19:30:59,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:30:59,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:30:59,182 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) [2025-02-06 19:30:59,183 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 [2025-02-06 19:30:59,185 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 [2025-02-06 19:30:59,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:30:59,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:30:59,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:30:59,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:30:59,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:30:59,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:30:59,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:30:59,197 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:30:59,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2025-02-06 19:30:59,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:30:59,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:30:59,205 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) [2025-02-06 19:30:59,206 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 [2025-02-06 19:30:59,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:30:59,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:30:59,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:30:59,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:30:59,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:30:59,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:30:59,221 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:30:59,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:30:59,222 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:30:59,227 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2025-02-06 19:30:59,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:30:59,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:30:59,229 INFO L229 MonitoredProcess]: Starting monitored process 15 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) [2025-02-06 19:30:59,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-02-06 19:30:59,230 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 [2025-02-06 19:30:59,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:30:59,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:30:59,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:30:59,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:30:59,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:30:59,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:30:59,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:30:59,241 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:30:59,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2025-02-06 19:30:59,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:30:59,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:30:59,248 INFO L229 MonitoredProcess]: Starting monitored process 16 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) [2025-02-06 19:30:59,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-02-06 19:30:59,249 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 [2025-02-06 19:30:59,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:30:59,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:30:59,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:30:59,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:30:59,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:30:59,259 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:30:59,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:30:59,261 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:30:59,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2025-02-06 19:30:59,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:30:59,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:30:59,271 INFO L229 MonitoredProcess]: Starting monitored process 17 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) [2025-02-06 19:30:59,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-02-06 19:30:59,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:30:59,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:30:59,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:30:59,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:30:59,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:30:59,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:30:59,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:30:59,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:30:59,286 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:30:59,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2025-02-06 19:30:59,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:30:59,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:30:59,294 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) [2025-02-06 19:30:59,295 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 [2025-02-06 19:30:59,296 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 [2025-02-06 19:30:59,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:30:59,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:30:59,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:30:59,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:30:59,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:30:59,307 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:30:59,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:30:59,308 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:30:59,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2025-02-06 19:30:59,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:30:59,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:30:59,316 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) [2025-02-06 19:30:59,318 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 [2025-02-06 19:30:59,319 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 [2025-02-06 19:30:59,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:30:59,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:30:59,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:30:59,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:30:59,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:30:59,329 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:30:59,329 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:30:59,330 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:30:59,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2025-02-06 19:30:59,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:30:59,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:30:59,339 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) [2025-02-06 19:30:59,340 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 [2025-02-06 19:30:59,341 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 [2025-02-06 19:30:59,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:30:59,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:30:59,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:30:59,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:30:59,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:30:59,351 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:30:59,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:30:59,352 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:30:59,357 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 [2025-02-06 19:30:59,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:30:59,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:30:59,359 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) [2025-02-06 19:30:59,360 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 [2025-02-06 19:30:59,364 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 [2025-02-06 19:30:59,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:30:59,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:30:59,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:30:59,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:30:59,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:30:59,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:30:59,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:30:59,375 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:30:59,380 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 [2025-02-06 19:30:59,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:30:59,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:30:59,382 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) [2025-02-06 19:30:59,384 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 [2025-02-06 19:30:59,384 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 [2025-02-06 19:30:59,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:30:59,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:30:59,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:30:59,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:30:59,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:30:59,397 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:30:59,400 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:30:59,405 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 [2025-02-06 19:30:59,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:30:59,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:30:59,410 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) [2025-02-06 19:30:59,412 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 [2025-02-06 19:30:59,413 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 [2025-02-06 19:30:59,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:30:59,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:30:59,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:30:59,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:30:59,426 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:30:59,426 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:30:59,431 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:30:59,453 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2025-02-06 19:30:59,455 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2025-02-06 19:30:59,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:30:59,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:30:59,458 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) [2025-02-06 19:30:59,460 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 [2025-02-06 19:30:59,461 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:30:59,472 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-06 19:30:59,472 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:30:59,473 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#string_A~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 9*v_rep(select #length ULTIMATE.start_main_~#string_A~0#1.base)_1 - 2*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2025-02-06 19:30:59,479 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 [2025-02-06 19:30:59,494 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2025-02-06 19:30:59,501 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2025-02-06 19:30:59,502 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2025-02-06 19:30:59,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:30:59,520 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:30:59,525 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:30:59,525 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:30:59,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:30:59,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 19:30:59,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:30:59,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-06 19:30:59,539 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-06 19:30:59,540 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:30:59,540 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:30:59,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 19:30:59,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:30:59,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:30:59,582 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 [2025-02-06 19:30:59,583 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 [2025-02-06 19:30:59,584 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.619047619047619) internal successors, (34), 21 states have internal predecessors, (34), 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 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2025-02-06 19:30:59,617 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.619047619047619) internal successors, (34), 21 states have internal predecessors, (34), 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 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 23 states and 36 transitions. Complement of second has 3 states. [2025-02-06 19:30:59,618 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 [2025-02-06 19:30:59,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2025-02-06 19:30:59,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2025-02-06 19:30:59,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 2 letters. Loop has 1 letters. [2025-02-06 19:30:59,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:30:59,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 3 letters. Loop has 1 letters. [2025-02-06 19:30:59,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:30:59,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 2 letters. Loop has 2 letters. [2025-02-06 19:30:59,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:30:59,625 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 36 transitions. [2025-02-06 19:30:59,626 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 7 [2025-02-06 19:30:59,627 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 15 states and 23 transitions. [2025-02-06 19:30:59,628 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2025-02-06 19:30:59,628 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2025-02-06 19:30:59,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 23 transitions. [2025-02-06 19:30:59,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:30:59,629 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 23 transitions. [2025-02-06 19:30:59,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 23 transitions. [2025-02-06 19:30:59,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2025-02-06 19:30:59,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 14 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) [2025-02-06 19:30:59,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 23 transitions. [2025-02-06 19:30:59,647 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 23 transitions. [2025-02-06 19:30:59,647 INFO L432 stractBuchiCegarLoop]: Abstraction has 15 states and 23 transitions. [2025-02-06 19:30:59,647 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 19:30:59,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 23 transitions. [2025-02-06 19:30:59,647 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 7 [2025-02-06 19:30:59,647 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:30:59,647 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:30:59,647 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-02-06 19:30:59,647 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-02-06 19:30:59,648 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" [2025-02-06 19:30:59,648 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" [2025-02-06 19:30:59,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:30:59,648 INFO L85 PathProgramCache]: Analyzing trace with hash 2400095, now seen corresponding path program 1 times [2025-02-06 19:30:59,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:30:59,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080175396] [2025-02-06 19:30:59,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:30:59,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:30:59,656 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 19:30:59,663 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 19:30:59,663 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:30:59,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:30:59,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:30:59,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:30:59,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080175396] [2025-02-06 19:30:59,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080175396] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:30:59,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:30:59,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:30:59,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917404143] [2025-02-06 19:30:59,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:30:59,719 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 19:30:59,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:30:59,720 INFO L85 PathProgramCache]: Analyzing trace with hash 70, now seen corresponding path program 1 times [2025-02-06 19:30:59,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:30:59,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661819811] [2025-02-06 19:30:59,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:30:59,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:30:59,722 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-06 19:30:59,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-06 19:30:59,728 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:30:59,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:30:59,728 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:30:59,729 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-06 19:30:59,731 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-06 19:30:59,731 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:30:59,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:30:59,732 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:30:59,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:30:59,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:30:59,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:30:59,774 INFO L87 Difference]: Start difference. First operand 15 states and 23 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2025-02-06 19:30:59,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:30:59,796 INFO L93 Difference]: Finished difference Result 18 states and 24 transitions. [2025-02-06 19:30:59,796 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 24 transitions. [2025-02-06 19:30:59,797 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 7 [2025-02-06 19:30:59,798 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 24 transitions. [2025-02-06 19:30:59,798 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2025-02-06 19:30:59,798 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2025-02-06 19:30:59,798 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 24 transitions. [2025-02-06 19:30:59,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:30:59,798 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2025-02-06 19:30:59,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 24 transitions. [2025-02-06 19:30:59,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2025-02-06 19:30:59,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:30:59,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2025-02-06 19:30:59,800 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2025-02-06 19:30:59,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:30:59,800 INFO L432 stractBuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2025-02-06 19:30:59,801 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-06 19:30:59,801 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2025-02-06 19:30:59,801 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 7 [2025-02-06 19:30:59,801 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:30:59,801 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:30:59,801 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-02-06 19:30:59,801 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-02-06 19:30:59,802 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" [2025-02-06 19:30:59,802 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" [2025-02-06 19:30:59,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:30:59,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1988443846, now seen corresponding path program 1 times [2025-02-06 19:30:59,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:30:59,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141517250] [2025-02-06 19:30:59,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:30:59,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:30:59,806 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 19:30:59,811 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 19:30:59,811 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:30:59,811 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:30:59,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:30:59,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:30:59,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141517250] [2025-02-06 19:30:59,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141517250] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 19:30:59,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612634531] [2025-02-06 19:30:59,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:30:59,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 19:30:59,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:30:59,855 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 19:30:59,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-02-06 19:30:59,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 19:30:59,891 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 19:30:59,891 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:30:59,891 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:30:59,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 19:30:59,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:30:59,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:30:59,908 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 19:30:59,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:30:59,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612634531] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 19:30:59,922 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 19:30:59,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-02-06 19:30:59,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531408857] [2025-02-06 19:30:59,922 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 19:30:59,922 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 19:30:59,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:30:59,923 INFO L85 PathProgramCache]: Analyzing trace with hash 70, now seen corresponding path program 2 times [2025-02-06 19:30:59,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:30:59,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679953115] [2025-02-06 19:30:59,923 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:30:59,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:30:59,926 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 1 statements into 1 equivalence classes. [2025-02-06 19:30:59,927 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-06 19:30:59,927 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:30:59,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:30:59,927 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:30:59,928 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-06 19:30:59,929 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-06 19:30:59,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:30:59,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:30:59,930 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:30:59,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:30:59,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 19:30:59,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 19:30:59,965 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. cyclomatic complexity: 10 Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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) [2025-02-06 19:31:00,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:31:00,004 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2025-02-06 19:31:00,004 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2025-02-06 19:31:00,006 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 7 [2025-02-06 19:31:00,007 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 39 transitions. [2025-02-06 19:31:00,007 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2025-02-06 19:31:00,007 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2025-02-06 19:31:00,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 39 transitions. [2025-02-06 19:31:00,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:31:00,007 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 39 transitions. [2025-02-06 19:31:00,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 39 transitions. [2025-02-06 19:31:00,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 22. [2025-02-06 19:31:00,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:31:00,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2025-02-06 19:31:00,008 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 27 transitions. [2025-02-06 19:31:00,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 19:31:00,010 INFO L432 stractBuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2025-02-06 19:31:00,010 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-02-06 19:31:00,010 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2025-02-06 19:31:00,010 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 7 [2025-02-06 19:31:00,010 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:31:00,010 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:31:00,011 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2025-02-06 19:31:00,011 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-02-06 19:31:00,011 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" [2025-02-06 19:31:00,011 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" [2025-02-06 19:31:00,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:00,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1167440609, now seen corresponding path program 2 times [2025-02-06 19:31:00,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:00,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735486288] [2025-02-06 19:31:00,011 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:31:00,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:00,021 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 12 statements into 2 equivalence classes. [2025-02-06 19:31:00,040 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 19:31:00,044 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 19:31:00,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:00,147 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 19:31:00,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:31:00,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735486288] [2025-02-06 19:31:00,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735486288] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 19:31:00,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137205189] [2025-02-06 19:31:00,148 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:31:00,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 19:31:00,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:00,150 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 19:31:00,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-02-06 19:31:00,183 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 12 statements into 2 equivalence classes. [2025-02-06 19:31:00,198 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 19:31:00,198 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 19:31:00,198 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:00,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 19:31:00,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:00,211 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 19:31:00,212 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 19:31:00,236 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 19:31:00,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137205189] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 19:31:00,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 19:31:00,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2025-02-06 19:31:00,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051530381] [2025-02-06 19:31:00,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 19:31:00,237 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 19:31:00,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:00,237 INFO L85 PathProgramCache]: Analyzing trace with hash 70, now seen corresponding path program 3 times [2025-02-06 19:31:00,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:00,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974796859] [2025-02-06 19:31:00,238 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:31:00,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:00,240 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 1 statements into 1 equivalence classes. [2025-02-06 19:31:00,242 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-06 19:31:00,242 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-06 19:31:00,242 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:00,242 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:00,243 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-06 19:31:00,244 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-06 19:31:00,244 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:00,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:00,245 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:00,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:31:00,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 19:31:00,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-02-06 19:31:00,275 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. cyclomatic complexity: 10 Second operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 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) [2025-02-06 19:31:00,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:31:00,315 INFO L93 Difference]: Finished difference Result 34 states and 44 transitions. [2025-02-06 19:31:00,315 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 44 transitions. [2025-02-06 19:31:00,316 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 7 [2025-02-06 19:31:00,316 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 34 states and 44 transitions. [2025-02-06 19:31:00,316 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2025-02-06 19:31:00,316 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2025-02-06 19:31:00,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 44 transitions. [2025-02-06 19:31:00,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:31:00,317 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 44 transitions. [2025-02-06 19:31:00,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 44 transitions. [2025-02-06 19:31:00,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 24. [2025-02-06 19:31:00,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 23 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:31:00,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2025-02-06 19:31:00,318 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 29 transitions. [2025-02-06 19:31:00,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 19:31:00,319 INFO L432 stractBuchiCegarLoop]: Abstraction has 24 states and 29 transitions. [2025-02-06 19:31:00,319 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-02-06 19:31:00,319 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 29 transitions. [2025-02-06 19:31:00,330 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 7 [2025-02-06 19:31:00,330 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:31:00,330 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:31:00,330 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1] [2025-02-06 19:31:00,330 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-02-06 19:31:00,330 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" [2025-02-06 19:31:00,330 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" [2025-02-06 19:31:00,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:00,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1849500026, now seen corresponding path program 3 times [2025-02-06 19:31:00,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:00,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429065780] [2025-02-06 19:31:00,332 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:31:00,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:00,339 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 14 statements into 4 equivalence classes. [2025-02-06 19:31:00,362 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 14 of 14 statements. [2025-02-06 19:31:00,362 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-02-06 19:31:00,362 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:00,362 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:00,364 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-06 19:31:00,385 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-06 19:31:00,385 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:00,385 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:00,390 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:00,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:00,391 INFO L85 PathProgramCache]: Analyzing trace with hash 70, now seen corresponding path program 4 times [2025-02-06 19:31:00,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:00,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939793276] [2025-02-06 19:31:00,391 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 19:31:00,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:00,396 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 1 statements into 2 equivalence classes. [2025-02-06 19:31:00,398 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 1 of 1 statements. [2025-02-06 19:31:00,398 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 19:31:00,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:00,398 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:00,399 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-06 19:31:00,401 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-06 19:31:00,401 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:00,401 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:00,402 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:00,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:00,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1499925997, now seen corresponding path program 4 times [2025-02-06 19:31:00,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:00,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222736704] [2025-02-06 19:31:00,403 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 19:31:00,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:00,413 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 15 statements into 2 equivalence classes. [2025-02-06 19:31:00,427 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 14 of 15 statements. [2025-02-06 19:31:00,427 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-02-06 19:31:00,427 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:00,529 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 19:31:00,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:31:00,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222736704] [2025-02-06 19:31:00,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222736704] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 19:31:00,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656773118] [2025-02-06 19:31:00,529 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 19:31:00,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 19:31:00,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:00,532 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 19:31:00,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-02-06 19:31:00,574 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 15 statements into 2 equivalence classes. [2025-02-06 19:31:00,589 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 14 of 15 statements. [2025-02-06 19:31:00,589 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-02-06 19:31:00,589 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:00,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 19:31:00,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:00,609 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 19:31:00,609 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 19:31:00,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [656773118] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:31:00,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 19:31:00,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2025-02-06 19:31:00,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209885679] [2025-02-06 19:31:00,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:31:00,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:31:00,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 19:31:00,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2025-02-06 19:31:00,643 INFO L87 Difference]: Start difference. First operand 24 states and 29 transitions. cyclomatic complexity: 10 Second operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 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) [2025-02-06 19:31:00,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:31:00,693 INFO L93 Difference]: Finished difference Result 36 states and 45 transitions. [2025-02-06 19:31:00,693 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 45 transitions. [2025-02-06 19:31:00,694 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2025-02-06 19:31:00,694 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 36 states and 45 transitions. [2025-02-06 19:31:00,696 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2025-02-06 19:31:00,696 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2025-02-06 19:31:00,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 45 transitions. [2025-02-06 19:31:00,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:31:00,697 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 45 transitions. [2025-02-06 19:31:00,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 45 transitions. [2025-02-06 19:31:00,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 24. [2025-02-06 19:31:00,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.125) internal successors, (27), 23 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:31:00,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2025-02-06 19:31:00,698 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 27 transitions. [2025-02-06 19:31:00,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 19:31:00,699 INFO L432 stractBuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2025-02-06 19:31:00,699 INFO L338 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-02-06 19:31:00,700 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 27 transitions. [2025-02-06 19:31:00,700 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2025-02-06 19:31:00,700 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:31:00,700 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:31:00,700 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1] [2025-02-06 19:31:00,700 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 19:31:00,700 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" [2025-02-06 19:31:00,700 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" [2025-02-06 19:31:00,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:00,701 INFO L85 PathProgramCache]: Analyzing trace with hash -746934343, now seen corresponding path program 1 times [2025-02-06 19:31:00,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:00,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122928638] [2025-02-06 19:31:00,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:31:00,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:00,710 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 19:31:00,725 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 19:31:00,725 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:00,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:00,725 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:00,727 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 19:31:00,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 19:31:00,736 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:00,736 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:00,743 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:00,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:00,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1952, now seen corresponding path program 1 times [2025-02-06 19:31:00,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:00,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582232961] [2025-02-06 19:31:00,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:31:00,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:00,746 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:00,746 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:00,746 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:00,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:00,746 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:00,747 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:00,748 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:00,748 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:00,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:00,749 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:00,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:00,749 INFO L85 PathProgramCache]: Analyzing trace with hash -544364200, now seen corresponding path program 1 times [2025-02-06 19:31:00,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:00,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555934006] [2025-02-06 19:31:00,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:31:00,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:00,758 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-06 19:31:00,771 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-06 19:31:00,771 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:00,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:00,772 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:00,775 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-06 19:31:00,788 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-06 19:31:00,789 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:00,789 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:00,796 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:03,557 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:31:03,557 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:31:03,557 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:31:03,557 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:31:03,557 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:31:03,558 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:03,558 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:31:03,558 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:31:03,558 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration6_Lasso [2025-02-06 19:31:03,558 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:31:03,558 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:31:03,559 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:03,561 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:03,562 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:03,564 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:03,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:03,803 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:03,805 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:03,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:03,807 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:03,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:03,816 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:03,820 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:03,821 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:03,824 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:03,825 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:03,827 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:03,828 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:03,831 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:03,832 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:03,836 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:03,837 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:04,021 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:31:04,022 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:31:04,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:04,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:04,026 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) [2025-02-06 19:31:04,027 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 [2025-02-06 19:31:04,028 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 [2025-02-06 19:31:04,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:04,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:04,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:04,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:04,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:04,039 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:04,039 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:04,040 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:04,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:04,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:04,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:04,047 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) [2025-02-06 19:31:04,047 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 [2025-02-06 19:31:04,048 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 [2025-02-06 19:31:04,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:04,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:04,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:04,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:04,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:04,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:04,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:04,060 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:04,065 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 [2025-02-06 19:31:04,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:04,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:04,067 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) [2025-02-06 19:31:04,068 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 [2025-02-06 19:31:04,069 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 [2025-02-06 19:31:04,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:04,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:04,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:04,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:04,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:04,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:04,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:04,080 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:04,085 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 [2025-02-06 19:31:04,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:04,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:04,087 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) [2025-02-06 19:31:04,088 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 [2025-02-06 19:31:04,089 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 [2025-02-06 19:31:04,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:04,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:04,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:04,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:04,100 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:04,100 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:04,102 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:04,107 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2025-02-06 19:31:04,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:04,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:04,109 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) [2025-02-06 19:31:04,110 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 [2025-02-06 19:31:04,111 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 [2025-02-06 19:31:04,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:04,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:04,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:04,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:04,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:04,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:04,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:04,122 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:04,128 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 [2025-02-06 19:31:04,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:04,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:04,130 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) [2025-02-06 19:31:04,132 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 [2025-02-06 19:31:04,133 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 [2025-02-06 19:31:04,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:04,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:04,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:04,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:04,144 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:04,144 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:04,146 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:04,152 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 [2025-02-06 19:31:04,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:04,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:04,154 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) [2025-02-06 19:31:04,156 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 [2025-02-06 19:31:04,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:31:04,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:04,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:04,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:04,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:04,168 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:04,168 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:04,170 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:04,176 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 [2025-02-06 19:31:04,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:04,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:04,179 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) [2025-02-06 19:31:04,180 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 [2025-02-06 19:31:04,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:31:04,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:04,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:04,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:04,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:04,192 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:04,192 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:04,195 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:04,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:04,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:04,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:04,203 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) [2025-02-06 19:31:04,204 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 [2025-02-06 19:31:04,205 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 [2025-02-06 19:31:04,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:04,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:04,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:04,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:04,217 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:04,217 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:04,219 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:04,224 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 [2025-02-06 19:31:04,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:04,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:04,226 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) [2025-02-06 19:31:04,227 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 [2025-02-06 19:31:04,231 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 [2025-02-06 19:31:04,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:04,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:04,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:04,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:04,243 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:04,243 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:04,246 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:04,251 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2025-02-06 19:31:04,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:04,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:04,253 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) [2025-02-06 19:31:04,254 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 [2025-02-06 19:31:04,255 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 [2025-02-06 19:31:04,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:04,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:04,265 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-02-06 19:31:04,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:04,267 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2025-02-06 19:31:04,267 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2025-02-06 19:31:04,274 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:04,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:04,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:04,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:04,282 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) [2025-02-06 19:31:04,282 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 [2025-02-06 19:31:04,283 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 [2025-02-06 19:31:04,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:04,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:04,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:04,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:04,298 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:04,298 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:04,300 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:04,306 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2025-02-06 19:31:04,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:04,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:04,308 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) [2025-02-06 19:31:04,309 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 [2025-02-06 19:31:04,309 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 [2025-02-06 19:31:04,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:04,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:04,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:04,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:04,322 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:04,322 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:04,326 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:31:04,345 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2025-02-06 19:31:04,345 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2025-02-06 19:31:04,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:04,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:04,347 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) [2025-02-06 19:31:04,348 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 [2025-02-06 19:31:04,349 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:31:04,359 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-06 19:31:04,360 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:31:04,360 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#string_A~0#1.base)_2, ULTIMATE.start_main_~nc_A~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~#string_A~0#1.base)_2 - 1*ULTIMATE.start_main_~nc_A~0#1 Supporting invariants [1*ULTIMATE.start_main_~#string_A~0#1.offset >= 0] [2025-02-06 19:31:04,366 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2025-02-06 19:31:04,385 INFO L156 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2025-02-06 19:31:04,386 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2025-02-06 19:31:04,387 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2025-02-06 19:31:04,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:04,414 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 19:31:04,428 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 19:31:04,428 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:04,428 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:04,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 19:31:04,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:04,515 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:04,517 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:04,517 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:04,517 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:04,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 19:31:04,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:04,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:31:04,534 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2025-02-06 19:31:04,534 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 27 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:31:04,572 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 27 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 39 transitions. Complement of second has 5 states. [2025-02-06 19:31:04,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2025-02-06 19:31:04,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:31:04,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2025-02-06 19:31:04,573 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 16 letters. Loop has 2 letters. [2025-02-06 19:31:04,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:31:04,573 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 18 letters. Loop has 2 letters. [2025-02-06 19:31:04,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:31:04,574 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 16 letters. Loop has 4 letters. [2025-02-06 19:31:04,574 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:31:04,574 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 39 transitions. [2025-02-06 19:31:04,574 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2025-02-06 19:31:04,574 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 26 states and 30 transitions. [2025-02-06 19:31:04,574 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2025-02-06 19:31:04,574 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2025-02-06 19:31:04,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 30 transitions. [2025-02-06 19:31:04,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:31:04,575 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 30 transitions. [2025-02-06 19:31:04,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 30 transitions. [2025-02-06 19:31:04,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2025-02-06 19:31:04,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:31:04,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2025-02-06 19:31:04,579 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 30 transitions. [2025-02-06 19:31:04,579 INFO L432 stractBuchiCegarLoop]: Abstraction has 26 states and 30 transitions. [2025-02-06 19:31:04,579 INFO L338 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2025-02-06 19:31:04,580 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 30 transitions. [2025-02-06 19:31:04,580 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2025-02-06 19:31:04,580 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:31:04,580 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:31:04,580 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:31:04,580 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 19:31:04,580 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" [2025-02-06 19:31:04,580 INFO L754 eck$LassoCheckResult]: Loop: "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" [2025-02-06 19:31:04,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:04,581 INFO L85 PathProgramCache]: Analyzing trace with hash 304578979, now seen corresponding path program 1 times [2025-02-06 19:31:04,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:04,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260363667] [2025-02-06 19:31:04,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:31:04,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:04,587 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 19:31:04,595 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 19:31:04,596 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:04,596 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:04,596 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:04,598 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 19:31:04,604 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 19:31:04,604 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:04,604 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:04,606 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:04,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:04,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1728, now seen corresponding path program 1 times [2025-02-06 19:31:04,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:04,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132328738] [2025-02-06 19:31:04,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:31:04,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:04,609 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:04,609 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:04,610 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:04,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:04,610 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:04,610 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:04,610 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:04,611 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:04,611 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:04,611 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:04,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:04,614 INFO L85 PathProgramCache]: Analyzing trace with hash 642623458, now seen corresponding path program 1 times [2025-02-06 19:31:04,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:04,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479313158] [2025-02-06 19:31:04,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:31:04,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:04,623 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 19:31:04,635 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 19:31:04,635 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:04,635 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:04,635 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:04,638 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 19:31:04,650 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 19:31:04,650 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:04,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:04,653 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:04,906 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2025-02-06 19:31:07,800 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:31:07,801 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:31:07,801 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:31:07,801 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:31:07,801 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:31:07,801 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:07,801 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:31:07,801 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:31:07,801 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration7_Lasso [2025-02-06 19:31:07,801 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:31:07,801 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:31:07,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:07,804 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:07,805 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:07,807 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:07,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:07,810 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:07,811 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:07,821 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:07,823 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:07,824 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:08,024 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:08,025 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:08,026 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:08,027 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:08,029 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:08,030 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:08,031 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:08,032 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:08,033 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:08,035 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:08,196 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:31:08,196 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:31:08,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:08,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:08,198 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) [2025-02-06 19:31:08,199 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 [2025-02-06 19:31:08,200 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 [2025-02-06 19:31:08,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:08,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:08,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:08,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:08,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:08,209 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:08,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:08,210 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:08,216 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2025-02-06 19:31:08,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:08,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:08,218 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) [2025-02-06 19:31:08,219 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 [2025-02-06 19:31:08,220 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 [2025-02-06 19:31:08,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:08,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:08,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:08,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:08,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:08,230 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:08,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:08,230 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:08,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2025-02-06 19:31:08,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:08,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:08,237 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) [2025-02-06 19:31:08,238 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 [2025-02-06 19:31:08,239 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 [2025-02-06 19:31:08,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:08,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:08,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:08,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:08,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:08,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:08,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:08,250 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:08,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2025-02-06 19:31:08,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:08,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:08,258 INFO L229 MonitoredProcess]: Starting monitored process 45 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) [2025-02-06 19:31:08,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2025-02-06 19:31:08,261 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 [2025-02-06 19:31:08,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:08,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:08,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:08,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:08,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:08,270 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:08,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:08,271 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:08,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:08,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:08,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:08,278 INFO L229 MonitoredProcess]: Starting monitored process 46 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) [2025-02-06 19:31:08,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2025-02-06 19:31:08,280 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 [2025-02-06 19:31:08,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:08,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:08,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:08,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:08,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:08,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:08,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:08,290 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:08,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:08,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:08,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:08,298 INFO L229 MonitoredProcess]: Starting monitored process 47 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) [2025-02-06 19:31:08,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2025-02-06 19:31:08,299 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 [2025-02-06 19:31:08,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:08,309 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:08,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:08,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:08,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:08,309 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:08,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:08,310 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:08,315 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2025-02-06 19:31:08,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:08,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:08,317 INFO L229 MonitoredProcess]: Starting monitored process 48 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) [2025-02-06 19:31:08,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2025-02-06 19:31:08,319 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 [2025-02-06 19:31:08,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:08,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:08,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:08,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:08,329 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:08,329 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:08,331 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:08,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2025-02-06 19:31:08,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:08,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:08,339 INFO L229 MonitoredProcess]: Starting monitored process 49 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) [2025-02-06 19:31:08,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2025-02-06 19:31:08,341 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 [2025-02-06 19:31:08,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:08,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:08,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:08,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:08,351 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:08,351 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:08,353 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:08,358 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2025-02-06 19:31:08,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:08,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:08,359 INFO L229 MonitoredProcess]: Starting monitored process 50 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) [2025-02-06 19:31:08,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2025-02-06 19:31:08,361 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 [2025-02-06 19:31:08,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:08,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:08,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:08,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:08,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:08,371 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:08,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:08,372 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:08,377 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2025-02-06 19:31:08,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:08,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:08,379 INFO L229 MonitoredProcess]: Starting monitored process 51 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) [2025-02-06 19:31:08,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2025-02-06 19:31:08,380 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 [2025-02-06 19:31:08,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:08,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:08,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:08,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:08,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:08,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:08,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:08,391 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:08,396 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2025-02-06 19:31:08,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:08,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:08,398 INFO L229 MonitoredProcess]: Starting monitored process 52 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) [2025-02-06 19:31:08,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2025-02-06 19:31:08,400 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 [2025-02-06 19:31:08,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:08,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:08,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:08,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:08,411 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:08,411 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:08,414 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:08,420 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2025-02-06 19:31:08,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:08,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:08,422 INFO L229 MonitoredProcess]: Starting monitored process 53 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) [2025-02-06 19:31:08,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2025-02-06 19:31:08,424 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 [2025-02-06 19:31:08,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:08,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:08,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:08,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:08,436 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:08,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:08,439 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:08,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:08,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:08,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:08,449 INFO L229 MonitoredProcess]: Starting monitored process 54 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) [2025-02-06 19:31:08,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2025-02-06 19:31:08,451 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 [2025-02-06 19:31:08,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:08,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:08,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:08,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:08,462 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:08,462 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:08,464 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:08,470 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:08,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:08,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:08,472 INFO L229 MonitoredProcess]: Starting monitored process 55 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) [2025-02-06 19:31:08,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2025-02-06 19:31:08,473 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 [2025-02-06 19:31:08,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:08,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:08,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:08,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:08,483 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:08,483 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:08,488 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:08,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:08,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:08,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:08,495 INFO L229 MonitoredProcess]: Starting monitored process 56 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) [2025-02-06 19:31:08,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2025-02-06 19:31:08,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:31:08,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:08,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:08,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:08,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:08,506 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:08,506 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:08,509 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:08,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:08,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:08,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:08,515 INFO L229 MonitoredProcess]: Starting monitored process 57 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) [2025-02-06 19:31:08,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2025-02-06 19:31:08,516 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 [2025-02-06 19:31:08,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:08,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:08,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:08,525 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-02-06 19:31:08,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:08,526 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2025-02-06 19:31:08,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:08,527 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:08,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2025-02-06 19:31:08,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:08,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:08,535 INFO L229 MonitoredProcess]: Starting monitored process 58 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) [2025-02-06 19:31:08,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2025-02-06 19:31:08,537 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 [2025-02-06 19:31:08,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:08,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:08,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:08,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:08,547 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:08,547 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:08,549 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:08,554 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2025-02-06 19:31:08,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:08,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:08,556 INFO L229 MonitoredProcess]: Starting monitored process 59 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) [2025-02-06 19:31:08,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2025-02-06 19:31:08,559 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 [2025-02-06 19:31:08,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:08,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:08,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:08,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:08,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:08,570 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:08,571 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:08,576 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2025-02-06 19:31:08,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:08,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:08,578 INFO L229 MonitoredProcess]: Starting monitored process 60 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) [2025-02-06 19:31:08,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2025-02-06 19:31:08,579 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 [2025-02-06 19:31:08,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:08,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:08,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:08,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:08,589 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:08,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:08,592 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:08,598 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2025-02-06 19:31:08,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:08,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:08,600 INFO L229 MonitoredProcess]: Starting monitored process 61 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) [2025-02-06 19:31:08,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2025-02-06 19:31:08,612 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 [2025-02-06 19:31:08,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:08,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:08,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:08,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:08,623 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:08,623 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:08,625 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:08,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2025-02-06 19:31:08,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:08,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:08,631 INFO L229 MonitoredProcess]: Starting monitored process 62 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) [2025-02-06 19:31:08,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2025-02-06 19:31:08,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:31:08,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:08,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:08,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:08,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:08,643 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:08,643 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:08,645 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:08,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:08,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:08,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:08,653 INFO L229 MonitoredProcess]: Starting monitored process 63 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) [2025-02-06 19:31:08,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2025-02-06 19:31:08,656 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 [2025-02-06 19:31:08,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:08,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:08,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:08,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:08,667 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:08,667 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:08,670 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:08,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:08,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:08,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:08,681 INFO L229 MonitoredProcess]: Starting monitored process 64 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) [2025-02-06 19:31:08,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2025-02-06 19:31:08,682 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 [2025-02-06 19:31:08,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:08,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:08,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:08,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:08,693 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:08,693 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:08,695 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:08,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2025-02-06 19:31:08,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:08,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:08,703 INFO L229 MonitoredProcess]: Starting monitored process 65 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) [2025-02-06 19:31:08,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2025-02-06 19:31:08,705 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 [2025-02-06 19:31:08,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:08,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:08,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:08,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:08,715 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:08,715 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:08,717 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:08,725 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2025-02-06 19:31:08,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:08,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:08,727 INFO L229 MonitoredProcess]: Starting monitored process 66 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) [2025-02-06 19:31:08,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2025-02-06 19:31:08,728 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 [2025-02-06 19:31:08,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:08,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:08,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:08,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:08,740 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:08,740 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:08,745 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:31:08,752 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2025-02-06 19:31:08,752 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2025-02-06 19:31:08,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:08,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:08,754 INFO L229 MonitoredProcess]: Starting monitored process 67 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) [2025-02-06 19:31:08,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2025-02-06 19:31:08,755 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:31:08,766 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-06 19:31:08,766 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:31:08,766 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#string_B~0#1.base)_3, ULTIMATE.start_main_~nc_B~0#1, ULTIMATE.start_main_~#string_B~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~#string_B~0#1.base)_3 - 1*ULTIMATE.start_main_~nc_B~0#1 - 1*ULTIMATE.start_main_~#string_B~0#1.offset Supporting invariants [] [2025-02-06 19:31:08,771 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2025-02-06 19:31:08,790 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2025-02-06 19:31:08,792 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2025-02-06 19:31:08,792 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2025-02-06 19:31:08,792 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#string_B~0!offset [2025-02-06 19:31:08,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:08,812 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 19:31:08,827 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 19:31:08,827 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:08,827 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:08,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 19:31:08,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:08,844 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:08,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:08,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:08,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:08,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 19:31:08,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:08,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:31:08,855 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-02-06 19:31:08,855 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 30 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:31:08,875 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 30 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 38 transitions. Complement of second has 4 states. [2025-02-06 19:31:08,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-02-06 19:31:08,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:31:08,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2025-02-06 19:31:08,877 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 19 letters. Loop has 2 letters. [2025-02-06 19:31:08,877 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:31:08,877 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 21 letters. Loop has 2 letters. [2025-02-06 19:31:08,877 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:31:08,877 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 19 letters. Loop has 4 letters. [2025-02-06 19:31:08,877 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:31:08,877 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2025-02-06 19:31:08,877 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 19:31:08,877 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 28 states and 33 transitions. [2025-02-06 19:31:08,878 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2025-02-06 19:31:08,878 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2025-02-06 19:31:08,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 33 transitions. [2025-02-06 19:31:08,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:31:08,878 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 33 transitions. [2025-02-06 19:31:08,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 33 transitions. [2025-02-06 19:31:08,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2025-02-06 19:31:08,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 27 states have internal predecessors, (33), 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) [2025-02-06 19:31:08,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2025-02-06 19:31:08,879 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 33 transitions. [2025-02-06 19:31:08,879 INFO L432 stractBuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2025-02-06 19:31:08,879 INFO L338 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2025-02-06 19:31:08,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 33 transitions. [2025-02-06 19:31:08,879 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 19:31:08,879 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:31:08,879 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:31:08,879 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:31:08,879 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 19:31:08,881 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1;" "assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1;" [2025-02-06 19:31:08,881 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" [2025-02-06 19:31:08,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:08,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1553509294, now seen corresponding path program 1 times [2025-02-06 19:31:08,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:08,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317497302] [2025-02-06 19:31:08,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:31:08,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:08,887 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-06 19:31:08,894 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-06 19:31:08,894 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:08,894 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:08,894 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:08,896 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-06 19:31:08,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-06 19:31:08,904 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:08,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:08,906 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:08,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:08,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1407, now seen corresponding path program 1 times [2025-02-06 19:31:08,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:08,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052116072] [2025-02-06 19:31:08,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:31:08,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:08,913 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:08,914 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:08,914 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:08,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:08,914 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:08,919 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:08,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:08,923 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:08,924 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:08,925 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:08,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:08,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1726187920, now seen corresponding path program 1 times [2025-02-06 19:31:08,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:08,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672955835] [2025-02-06 19:31:08,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:31:08,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:08,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2025-02-06 19:31:08,951 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-06 19:31:08,958 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-06 19:31:08,961 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:08,961 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:09,017 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-02-06 19:31:09,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:31:09,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672955835] [2025-02-06 19:31:09,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672955835] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:31:09,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:31:09,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 19:31:09,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261224816] [2025-02-06 19:31:09,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:31:09,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:31:09,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 19:31:09,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 19:31:09,075 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:31:09,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:31:09,086 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2025-02-06 19:31:09,086 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 43 transitions. [2025-02-06 19:31:09,086 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 19:31:09,086 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 29 states and 33 transitions. [2025-02-06 19:31:09,086 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2025-02-06 19:31:09,086 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2025-02-06 19:31:09,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 33 transitions. [2025-02-06 19:31:09,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:31:09,087 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 33 transitions. [2025-02-06 19:31:09,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 33 transitions. [2025-02-06 19:31:09,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2025-02-06 19:31:09,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 27 states have internal predecessors, (32), 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) [2025-02-06 19:31:09,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2025-02-06 19:31:09,088 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 32 transitions. [2025-02-06 19:31:09,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 19:31:09,088 INFO L432 stractBuchiCegarLoop]: Abstraction has 28 states and 32 transitions. [2025-02-06 19:31:09,088 INFO L338 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2025-02-06 19:31:09,088 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 32 transitions. [2025-02-06 19:31:09,089 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 19:31:09,089 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:31:09,089 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:31:09,089 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:31:09,089 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 19:31:09,089 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1;" "assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1;" [2025-02-06 19:31:09,089 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" [2025-02-06 19:31:09,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:09,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1533388111, now seen corresponding path program 1 times [2025-02-06 19:31:09,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:09,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556444290] [2025-02-06 19:31:09,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:31:09,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:09,098 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-06 19:31:09,103 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-06 19:31:09,103 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:09,104 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:09,160 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-02-06 19:31:09,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:31:09,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556444290] [2025-02-06 19:31:09,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556444290] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 19:31:09,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759241052] [2025-02-06 19:31:09,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:31:09,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 19:31:09,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:09,162 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 19:31:09,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Waiting until timeout for monitored process [2025-02-06 19:31:09,212 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-06 19:31:09,230 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-06 19:31:09,230 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:09,230 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:09,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 19:31:09,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:09,251 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-02-06 19:31:09,251 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 19:31:09,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759241052] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:31:09,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 19:31:09,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2025-02-06 19:31:09,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151864865] [2025-02-06 19:31:09,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:31:09,253 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 19:31:09,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:09,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1407, now seen corresponding path program 2 times [2025-02-06 19:31:09,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:09,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897851073] [2025-02-06 19:31:09,253 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:31:09,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:09,255 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:09,257 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:09,257 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:31:09,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:09,257 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:09,259 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:09,260 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:09,260 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:09,260 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:09,261 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:09,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:31:09,339 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 19:31:09,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-02-06 19:31:09,339 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. cyclomatic complexity: 7 Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:31:09,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:31:09,358 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2025-02-06 19:31:09,358 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 35 transitions. [2025-02-06 19:31:09,358 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 19:31:09,358 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 30 states and 33 transitions. [2025-02-06 19:31:09,358 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2025-02-06 19:31:09,359 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2025-02-06 19:31:09,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 33 transitions. [2025-02-06 19:31:09,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:31:09,359 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 33 transitions. [2025-02-06 19:31:09,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 33 transitions. [2025-02-06 19:31:09,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2025-02-06 19:31:09,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 27 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) [2025-02-06 19:31:09,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2025-02-06 19:31:09,360 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 31 transitions. [2025-02-06 19:31:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 19:31:09,361 INFO L432 stractBuchiCegarLoop]: Abstraction has 28 states and 31 transitions. [2025-02-06 19:31:09,361 INFO L338 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2025-02-06 19:31:09,361 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 31 transitions. [2025-02-06 19:31:09,361 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 19:31:09,361 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:31:09,361 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:31:09,362 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:31:09,362 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 19:31:09,362 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1;" "assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1;" [2025-02-06 19:31:09,362 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" [2025-02-06 19:31:09,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:09,363 INFO L85 PathProgramCache]: Analyzing trace with hash -412156846, now seen corresponding path program 1 times [2025-02-06 19:31:09,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:09,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720354177] [2025-02-06 19:31:09,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:31:09,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:09,370 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-06 19:31:09,383 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-06 19:31:09,384 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:09,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:09,384 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:09,386 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-06 19:31:09,398 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-06 19:31:09,399 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:09,399 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:09,406 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:09,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:09,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1407, now seen corresponding path program 3 times [2025-02-06 19:31:09,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:09,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672932364] [2025-02-06 19:31:09,406 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:31:09,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:09,408 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:09,409 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:09,409 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-06 19:31:09,409 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:09,409 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:09,410 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:09,411 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:09,411 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:09,411 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:09,412 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:09,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:09,413 INFO L85 PathProgramCache]: Analyzing trace with hash -945737328, now seen corresponding path program 1 times [2025-02-06 19:31:09,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:09,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016588710] [2025-02-06 19:31:09,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:31:09,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:09,419 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 19:31:09,429 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 19:31:09,429 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:09,429 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:09,429 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:09,431 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 19:31:09,439 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 19:31:09,439 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:09,439 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:09,443 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:12,329 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:31:12,329 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:31:12,329 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:31:12,329 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:31:12,329 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:31:12,329 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:12,329 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:31:12,330 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:31:12,330 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration10_Lasso [2025-02-06 19:31:12,330 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:31:12,330 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:31:12,331 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:12,333 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:12,336 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:12,337 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:12,339 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:12,340 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:12,341 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:12,342 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:12,343 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:12,351 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:12,352 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:12,353 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:12,354 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:12,355 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:12,659 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:12,661 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:12,662 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:12,875 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:31:12,875 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:31:12,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:12,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:12,878 INFO L229 MonitoredProcess]: Starting monitored process 69 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) [2025-02-06 19:31:12,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2025-02-06 19:31:12,880 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 [2025-02-06 19:31:12,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:12,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:12,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:12,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:12,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:12,890 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:12,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:12,891 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:12,896 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2025-02-06 19:31:12,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:12,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:12,897 INFO L229 MonitoredProcess]: Starting monitored process 70 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) [2025-02-06 19:31:12,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2025-02-06 19:31:12,907 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 [2025-02-06 19:31:12,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:12,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:12,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:12,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:12,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:12,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:12,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:12,917 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:12,922 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2025-02-06 19:31:12,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:12,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:12,924 INFO L229 MonitoredProcess]: Starting monitored process 71 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) [2025-02-06 19:31:12,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2025-02-06 19:31:12,925 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 [2025-02-06 19:31:12,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:12,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:12,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:12,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:12,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:12,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:12,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:12,935 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:12,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:12,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:12,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:12,942 INFO L229 MonitoredProcess]: Starting monitored process 72 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) [2025-02-06 19:31:12,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2025-02-06 19:31:12,944 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 [2025-02-06 19:31:12,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:12,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:12,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:12,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:12,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:12,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:12,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:12,955 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:12,960 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2025-02-06 19:31:12,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:12,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:12,962 INFO L229 MonitoredProcess]: Starting monitored process 73 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) [2025-02-06 19:31:12,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2025-02-06 19:31:12,964 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 [2025-02-06 19:31:12,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:12,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:12,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:12,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:12,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:12,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:12,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:12,976 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:12,981 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2025-02-06 19:31:12,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:12,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:12,983 INFO L229 MonitoredProcess]: Starting monitored process 74 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) [2025-02-06 19:31:12,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2025-02-06 19:31:12,984 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 [2025-02-06 19:31:12,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:12,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:12,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:12,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:12,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:12,994 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:12,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:12,995 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:13,000 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2025-02-06 19:31:13,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:13,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:13,002 INFO L229 MonitoredProcess]: Starting monitored process 75 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) [2025-02-06 19:31:13,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2025-02-06 19:31:13,003 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 [2025-02-06 19:31:13,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:13,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:13,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:13,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:13,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:13,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:13,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:13,014 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:13,020 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2025-02-06 19:31:13,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:13,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:13,021 INFO L229 MonitoredProcess]: Starting monitored process 76 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) [2025-02-06 19:31:13,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2025-02-06 19:31:13,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:31:13,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:13,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:13,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:13,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:13,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:13,033 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:13,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:13,034 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:13,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2025-02-06 19:31:13,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:13,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:13,042 INFO L229 MonitoredProcess]: Starting monitored process 77 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) [2025-02-06 19:31:13,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2025-02-06 19:31:13,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:31:13,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:13,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:13,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:13,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:13,055 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:13,055 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:13,058 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:13,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:13,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:13,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:13,065 INFO L229 MonitoredProcess]: Starting monitored process 78 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) [2025-02-06 19:31:13,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2025-02-06 19:31:13,067 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 [2025-02-06 19:31:13,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:13,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:13,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:13,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:13,077 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:13,077 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:13,079 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:13,084 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2025-02-06 19:31:13,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:13,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:13,086 INFO L229 MonitoredProcess]: Starting monitored process 79 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) [2025-02-06 19:31:13,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2025-02-06 19:31:13,087 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 [2025-02-06 19:31:13,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:13,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:13,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:13,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:13,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:13,097 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:13,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:13,098 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:13,103 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2025-02-06 19:31:13,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:13,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:13,105 INFO L229 MonitoredProcess]: Starting monitored process 80 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) [2025-02-06 19:31:13,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2025-02-06 19:31:13,107 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 [2025-02-06 19:31:13,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:13,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:13,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:13,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:13,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:13,117 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:13,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:13,118 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:13,124 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2025-02-06 19:31:13,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:13,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:13,125 INFO L229 MonitoredProcess]: Starting monitored process 81 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) [2025-02-06 19:31:13,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2025-02-06 19:31:13,127 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 [2025-02-06 19:31:13,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:13,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:13,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:13,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:13,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:13,137 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:13,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:13,138 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:13,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2025-02-06 19:31:13,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:13,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:13,146 INFO L229 MonitoredProcess]: Starting monitored process 82 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) [2025-02-06 19:31:13,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2025-02-06 19:31:13,147 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 [2025-02-06 19:31:13,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:13,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:13,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:13,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:13,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:13,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:13,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:13,158 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:13,163 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2025-02-06 19:31:13,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:13,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:13,165 INFO L229 MonitoredProcess]: Starting monitored process 83 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) [2025-02-06 19:31:13,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2025-02-06 19:31:13,166 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:31:13,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:13,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:13,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:13,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:13,176 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:13,176 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:13,178 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:13,184 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2025-02-06 19:31:13,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:13,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:13,185 INFO L229 MonitoredProcess]: Starting monitored process 84 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) [2025-02-06 19:31:13,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2025-02-06 19:31:13,187 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 [2025-02-06 19:31:13,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:13,196 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2025-02-06 19:31:13,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:13,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:13,199 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2025-02-06 19:31:13,199 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:13,205 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:13,210 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2025-02-06 19:31:13,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:13,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:13,213 INFO L229 MonitoredProcess]: Starting monitored process 85 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) [2025-02-06 19:31:13,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2025-02-06 19:31:13,214 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 [2025-02-06 19:31:13,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:13,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:13,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:13,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:13,224 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:13,224 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:13,226 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:13,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2025-02-06 19:31:13,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:13,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:13,234 INFO L229 MonitoredProcess]: Starting monitored process 86 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) [2025-02-06 19:31:13,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2025-02-06 19:31:13,235 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 [2025-02-06 19:31:13,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:13,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:13,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:13,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:13,245 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:13,245 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:13,247 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:13,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:13,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:13,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:13,254 INFO L229 MonitoredProcess]: Starting monitored process 87 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) [2025-02-06 19:31:13,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2025-02-06 19:31:13,255 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 [2025-02-06 19:31:13,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:13,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:13,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:13,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:13,266 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:13,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:13,268 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:13,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:13,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:13,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:13,277 INFO L229 MonitoredProcess]: Starting monitored process 88 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) [2025-02-06 19:31:13,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2025-02-06 19:31:13,279 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 [2025-02-06 19:31:13,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:13,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:13,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:13,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:13,290 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:13,290 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:13,292 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:13,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:13,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:13,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:13,298 INFO L229 MonitoredProcess]: Starting monitored process 89 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) [2025-02-06 19:31:13,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2025-02-06 19:31:13,300 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 [2025-02-06 19:31:13,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:13,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:13,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:13,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:13,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:13,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:13,312 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:13,317 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2025-02-06 19:31:13,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:13,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:13,319 INFO L229 MonitoredProcess]: Starting monitored process 90 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) [2025-02-06 19:31:13,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2025-02-06 19:31:13,321 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 [2025-02-06 19:31:13,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:13,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:13,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:13,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:13,331 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:13,331 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:13,334 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:13,339 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2025-02-06 19:31:13,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:13,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:13,341 INFO L229 MonitoredProcess]: Starting monitored process 91 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) [2025-02-06 19:31:13,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2025-02-06 19:31:13,342 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 [2025-02-06 19:31:13,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:13,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:13,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:13,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:13,353 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:13,353 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:13,355 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:13,361 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2025-02-06 19:31:13,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:13,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:13,363 INFO L229 MonitoredProcess]: Starting monitored process 92 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) [2025-02-06 19:31:13,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2025-02-06 19:31:13,365 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 [2025-02-06 19:31:13,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:13,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:13,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:13,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:13,376 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:13,376 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:13,378 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:13,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:13,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:13,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:13,385 INFO L229 MonitoredProcess]: Starting monitored process 93 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) [2025-02-06 19:31:13,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2025-02-06 19:31:13,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:31:13,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:13,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:13,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:13,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:13,397 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:13,398 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:13,400 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:13,406 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2025-02-06 19:31:13,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:13,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:13,408 INFO L229 MonitoredProcess]: Starting monitored process 94 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) [2025-02-06 19:31:13,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2025-02-06 19:31:13,410 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 [2025-02-06 19:31:13,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:13,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:13,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:13,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:13,421 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:13,421 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:13,423 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:13,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:13,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:13,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:13,431 INFO L229 MonitoredProcess]: Starting monitored process 95 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) [2025-02-06 19:31:13,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2025-02-06 19:31:13,432 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 [2025-02-06 19:31:13,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:13,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:13,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:13,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:13,444 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:13,444 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:13,449 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:31:13,469 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2025-02-06 19:31:13,469 INFO L444 ModelExtractionUtils]: 1 out of 16 variables were initially zero. Simplification set additionally 12 variables to zero. [2025-02-06 19:31:13,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:13,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:13,471 INFO L229 MonitoredProcess]: Starting monitored process 96 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) [2025-02-06 19:31:13,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2025-02-06 19:31:13,472 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:31:13,482 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-06 19:31:13,482 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:31:13,482 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~nc_B~0#1) = -1*ULTIMATE.start_main_~j~0#1 + 1*ULTIMATE.start_main_~nc_B~0#1 Supporting invariants [] [2025-02-06 19:31:13,488 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2025-02-06 19:31:13,507 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2025-02-06 19:31:13,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:13,528 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-06 19:31:13,545 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-06 19:31:13,545 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:13,545 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:13,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 19:31:13,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:13,567 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:13,569 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:13,569 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:13,569 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:13,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 19:31:13,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:13,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:31:13,577 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-02-06 19:31:13,578 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 31 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2025-02-06 19:31:13,591 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 31 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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 32 states and 37 transitions. Complement of second has 5 states. [2025-02-06 19:31:13,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-02-06 19:31:13,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2025-02-06 19:31:13,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2025-02-06 19:31:13,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 26 letters. Loop has 2 letters. [2025-02-06 19:31:13,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:31:13,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 28 letters. Loop has 2 letters. [2025-02-06 19:31:13,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:31:13,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 26 letters. Loop has 4 letters. [2025-02-06 19:31:13,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:31:13,592 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2025-02-06 19:31:13,593 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 19:31:13,593 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 32 states and 37 transitions. [2025-02-06 19:31:13,593 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2025-02-06 19:31:13,593 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2025-02-06 19:31:13,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 37 transitions. [2025-02-06 19:31:13,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:31:13,593 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 37 transitions. [2025-02-06 19:31:13,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 37 transitions. [2025-02-06 19:31:13,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2025-02-06 19:31:13,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.15625) internal successors, (37), 31 states have internal predecessors, (37), 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) [2025-02-06 19:31:13,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2025-02-06 19:31:13,594 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 37 transitions. [2025-02-06 19:31:13,594 INFO L432 stractBuchiCegarLoop]: Abstraction has 32 states and 37 transitions. [2025-02-06 19:31:13,594 INFO L338 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2025-02-06 19:31:13,594 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 37 transitions. [2025-02-06 19:31:13,594 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 19:31:13,594 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:31:13,594 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:31:13,597 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:31:13,597 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 19:31:13,597 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1;" "assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" [2025-02-06 19:31:13,597 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" [2025-02-06 19:31:13,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:13,597 INFO L85 PathProgramCache]: Analyzing trace with hash -945737327, now seen corresponding path program 1 times [2025-02-06 19:31:13,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:13,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601050581] [2025-02-06 19:31:13,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:31:13,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:13,604 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 19:31:13,612 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 19:31:13,612 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:13,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:13,612 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:13,614 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 19:31:13,621 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 19:31:13,621 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:13,621 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:13,624 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:13,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:13,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1407, now seen corresponding path program 4 times [2025-02-06 19:31:13,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:13,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913117264] [2025-02-06 19:31:13,625 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 19:31:13,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:13,626 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 2 statements into 2 equivalence classes. [2025-02-06 19:31:13,627 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:13,627 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 19:31:13,627 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:13,627 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:13,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:13,629 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:13,629 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:13,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:13,630 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:13,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:13,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1679495951, now seen corresponding path program 1 times [2025-02-06 19:31:13,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:13,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425442112] [2025-02-06 19:31:13,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:31:13,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:13,636 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 19:31:13,641 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 19:31:13,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:13,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:13,683 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2025-02-06 19:31:13,743 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-02-06 19:31:13,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:31:13,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425442112] [2025-02-06 19:31:13,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425442112] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 19:31:13,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225251249] [2025-02-06 19:31:13,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:31:13,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 19:31:13,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:13,746 INFO L229 MonitoredProcess]: Starting monitored process 97 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 19:31:13,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (97)] Waiting until timeout for monitored process [2025-02-06 19:31:13,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 19:31:13,818 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 19:31:13,818 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:13,818 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:13,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 19:31:13,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:13,856 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-02-06 19:31:13,856 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 19:31:13,879 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-02-06 19:31:13,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225251249] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 19:31:13,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 19:31:13,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2025-02-06 19:31:13,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551980804] [2025-02-06 19:31:13,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 19:31:13,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:31:13,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 19:31:13,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-02-06 19:31:13,933 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. cyclomatic complexity: 9 Second operand has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 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) [2025-02-06 19:31:13,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:31:13,969 INFO L93 Difference]: Finished difference Result 47 states and 53 transitions. [2025-02-06 19:31:13,969 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 53 transitions. [2025-02-06 19:31:13,969 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 19:31:13,969 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 35 states and 40 transitions. [2025-02-06 19:31:13,969 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2025-02-06 19:31:13,969 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2025-02-06 19:31:13,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 40 transitions. [2025-02-06 19:31:13,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:31:13,970 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 40 transitions. [2025-02-06 19:31:13,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 40 transitions. [2025-02-06 19:31:13,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2025-02-06 19:31:13,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 33 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) [2025-02-06 19:31:13,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2025-02-06 19:31:13,971 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 39 transitions. [2025-02-06 19:31:13,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 19:31:13,972 INFO L432 stractBuchiCegarLoop]: Abstraction has 34 states and 39 transitions. [2025-02-06 19:31:13,972 INFO L338 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2025-02-06 19:31:13,972 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 39 transitions. [2025-02-06 19:31:13,972 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 19:31:13,972 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:31:13,972 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:31:13,973 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:31:13,973 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 19:31:13,973 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1;" "assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" [2025-02-06 19:31:13,973 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" [2025-02-06 19:31:13,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:13,973 INFO L85 PathProgramCache]: Analyzing trace with hash -580406096, now seen corresponding path program 2 times [2025-02-06 19:31:13,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:13,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532574483] [2025-02-06 19:31:13,973 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:31:13,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:13,987 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 30 statements into 2 equivalence classes. [2025-02-06 19:31:13,993 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 19:31:13,993 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 19:31:13,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:14,088 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-02-06 19:31:14,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:31:14,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532574483] [2025-02-06 19:31:14,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532574483] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 19:31:14,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598690918] [2025-02-06 19:31:14,088 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:31:14,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 19:31:14,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:14,090 INFO L229 MonitoredProcess]: Starting monitored process 98 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 19:31:14,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (98)] Waiting until timeout for monitored process [2025-02-06 19:31:14,153 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 30 statements into 2 equivalence classes. [2025-02-06 19:31:14,175 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 19:31:14,175 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 19:31:14,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:14,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 19:31:14,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:14,224 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-02-06 19:31:14,224 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 19:31:14,257 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-02-06 19:31:14,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598690918] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 19:31:14,257 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 19:31:14,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2025-02-06 19:31:14,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510584683] [2025-02-06 19:31:14,257 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 19:31:14,257 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 19:31:14,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:14,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1407, now seen corresponding path program 5 times [2025-02-06 19:31:14,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:14,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032902161] [2025-02-06 19:31:14,257 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 19:31:14,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:14,260 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:14,261 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:14,261 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:31:14,261 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:14,261 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:14,261 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:14,262 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:14,262 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:14,262 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:14,264 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:14,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:31:14,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 19:31:14,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2025-02-06 19:31:14,322 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. cyclomatic complexity: 9 Second operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 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) [2025-02-06 19:31:14,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:31:14,358 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2025-02-06 19:31:14,359 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 45 transitions. [2025-02-06 19:31:14,359 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 19:31:14,359 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 38 states and 43 transitions. [2025-02-06 19:31:14,359 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2025-02-06 19:31:14,359 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2025-02-06 19:31:14,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 43 transitions. [2025-02-06 19:31:14,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:31:14,359 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 43 transitions. [2025-02-06 19:31:14,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 43 transitions. [2025-02-06 19:31:14,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2025-02-06 19:31:14,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 35 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) [2025-02-06 19:31:14,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2025-02-06 19:31:14,361 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 41 transitions. [2025-02-06 19:31:14,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 19:31:14,362 INFO L432 stractBuchiCegarLoop]: Abstraction has 36 states and 41 transitions. [2025-02-06 19:31:14,362 INFO L338 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2025-02-06 19:31:14,362 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 41 transitions. [2025-02-06 19:31:14,362 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 19:31:14,362 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:31:14,362 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:31:14,363 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:31:14,363 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 19:31:14,363 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1;" "assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" [2025-02-06 19:31:14,363 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" [2025-02-06 19:31:14,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:14,363 INFO L85 PathProgramCache]: Analyzing trace with hash 608981521, now seen corresponding path program 3 times [2025-02-06 19:31:14,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:14,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77659670] [2025-02-06 19:31:14,363 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:31:14,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:14,369 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 32 statements into 4 equivalence classes. [2025-02-06 19:31:14,386 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 19:31:14,387 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-02-06 19:31:14,387 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:14,387 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:14,389 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 19:31:14,396 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 19:31:14,397 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:14,397 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:14,400 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:14,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:14,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1407, now seen corresponding path program 6 times [2025-02-06 19:31:14,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:14,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479736277] [2025-02-06 19:31:14,401 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-06 19:31:14,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:14,403 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:14,404 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:14,404 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-02-06 19:31:14,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:14,404 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:14,405 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:14,405 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:14,405 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:14,405 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:14,407 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:14,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:14,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1115689871, now seen corresponding path program 2 times [2025-02-06 19:31:14,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:14,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680878162] [2025-02-06 19:31:14,407 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:31:14,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:14,417 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 34 statements into 2 equivalence classes. [2025-02-06 19:31:14,442 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 19:31:14,442 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 19:31:14,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:14,442 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:14,445 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-06 19:31:14,457 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 19:31:14,457 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:14,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:14,463 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:17,918 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:31:17,918 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:31:17,918 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:31:17,918 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:31:17,918 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:31:17,918 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:17,918 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:31:17,918 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:31:17,918 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration13_Lasso [2025-02-06 19:31:17,918 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:31:17,918 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:31:17,920 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:17,926 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:17,927 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:17,929 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:17,930 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:17,931 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:17,932 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:17,934 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:17,935 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:17,936 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:17,937 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:18,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:18,230 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:18,231 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:18,232 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:18,233 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:18,234 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:18,612 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:31:18,612 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:31:18,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:18,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:18,615 INFO L229 MonitoredProcess]: Starting monitored process 99 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) [2025-02-06 19:31:18,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2025-02-06 19:31:18,616 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 [2025-02-06 19:31:18,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:18,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:18,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:18,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:18,627 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:18,627 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:18,630 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:18,635 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2025-02-06 19:31:18,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:18,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:18,637 INFO L229 MonitoredProcess]: Starting monitored process 100 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) [2025-02-06 19:31:18,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2025-02-06 19:31:18,639 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 [2025-02-06 19:31:18,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:18,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:18,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:18,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:18,649 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:18,649 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:18,651 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:18,657 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2025-02-06 19:31:18,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:18,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:18,658 INFO L229 MonitoredProcess]: Starting monitored process 101 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) [2025-02-06 19:31:18,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2025-02-06 19:31:18,660 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 [2025-02-06 19:31:18,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:18,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:18,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:18,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:18,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:18,670 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:18,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:18,671 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:18,677 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2025-02-06 19:31:18,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:18,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:18,679 INFO L229 MonitoredProcess]: Starting monitored process 102 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) [2025-02-06 19:31:18,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2025-02-06 19:31:18,680 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 [2025-02-06 19:31:18,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:18,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:18,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:18,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:18,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:18,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:18,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:18,693 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:18,698 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2025-02-06 19:31:18,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:18,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:18,700 INFO L229 MonitoredProcess]: Starting monitored process 103 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) [2025-02-06 19:31:18,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2025-02-06 19:31:18,702 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 [2025-02-06 19:31:18,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:18,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:18,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:18,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:18,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:18,712 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:18,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:18,713 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:18,718 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2025-02-06 19:31:18,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:18,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:18,720 INFO L229 MonitoredProcess]: Starting monitored process 104 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) [2025-02-06 19:31:18,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2025-02-06 19:31:18,722 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 [2025-02-06 19:31:18,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:18,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:18,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:18,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:18,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:18,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:18,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:18,735 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:18,740 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2025-02-06 19:31:18,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:18,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:18,743 INFO L229 MonitoredProcess]: Starting monitored process 105 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) [2025-02-06 19:31:18,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2025-02-06 19:31:18,746 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 [2025-02-06 19:31:18,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:18,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:18,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:18,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:18,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:18,756 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:18,756 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:18,757 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:18,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:18,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:18,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:18,764 INFO L229 MonitoredProcess]: Starting monitored process 106 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) [2025-02-06 19:31:18,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2025-02-06 19:31:18,766 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 [2025-02-06 19:31:18,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:18,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:18,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:18,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:18,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:18,776 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:18,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:18,777 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:18,782 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2025-02-06 19:31:18,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:18,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:18,784 INFO L229 MonitoredProcess]: Starting monitored process 107 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) [2025-02-06 19:31:18,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2025-02-06 19:31:18,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:31:18,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:18,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:18,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:18,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:18,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:18,796 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:18,796 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:18,797 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:18,802 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:18,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:18,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:18,804 INFO L229 MonitoredProcess]: Starting monitored process 108 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) [2025-02-06 19:31:18,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2025-02-06 19:31:18,806 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 [2025-02-06 19:31:18,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:18,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:18,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:18,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:18,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:18,816 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:18,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:18,817 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:18,823 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2025-02-06 19:31:18,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:18,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:18,824 INFO L229 MonitoredProcess]: Starting monitored process 109 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) [2025-02-06 19:31:18,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2025-02-06 19:31:18,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:31:18,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:18,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:18,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:18,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:18,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:18,845 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:18,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:18,846 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:18,851 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2025-02-06 19:31:18,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:18,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:18,853 INFO L229 MonitoredProcess]: Starting monitored process 110 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) [2025-02-06 19:31:18,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2025-02-06 19:31:18,855 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 [2025-02-06 19:31:18,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:18,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:18,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:18,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:18,865 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:18,865 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:18,867 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:18,872 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2025-02-06 19:31:18,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:18,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:18,874 INFO L229 MonitoredProcess]: Starting monitored process 111 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) [2025-02-06 19:31:18,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2025-02-06 19:31:18,875 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 [2025-02-06 19:31:18,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:18,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:18,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:18,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:18,886 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:18,886 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:18,888 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:18,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:18,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:18,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:18,896 INFO L229 MonitoredProcess]: Starting monitored process 112 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) [2025-02-06 19:31:18,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2025-02-06 19:31:18,897 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 [2025-02-06 19:31:18,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:18,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:18,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:18,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:18,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:18,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:18,910 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:18,915 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2025-02-06 19:31:18,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:18,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:18,917 INFO L229 MonitoredProcess]: Starting monitored process 113 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) [2025-02-06 19:31:18,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2025-02-06 19:31:18,919 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 [2025-02-06 19:31:18,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:18,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:18,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:18,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:18,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:18,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:18,931 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:18,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2025-02-06 19:31:18,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:18,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:18,938 INFO L229 MonitoredProcess]: Starting monitored process 114 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) [2025-02-06 19:31:18,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2025-02-06 19:31:18,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:31:18,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:18,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:18,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:18,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:18,950 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:18,950 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:18,952 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:18,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2025-02-06 19:31:18,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:18,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:18,959 INFO L229 MonitoredProcess]: Starting monitored process 115 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) [2025-02-06 19:31:18,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2025-02-06 19:31:18,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:31:18,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:18,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:18,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:18,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:18,971 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:18,971 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:18,974 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:18,979 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2025-02-06 19:31:18,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:18,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:18,981 INFO L229 MonitoredProcess]: Starting monitored process 116 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) [2025-02-06 19:31:18,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2025-02-06 19:31:18,983 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 [2025-02-06 19:31:18,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:18,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:18,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:18,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:18,994 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:18,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:18,996 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:19,001 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2025-02-06 19:31:19,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:19,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:19,003 INFO L229 MonitoredProcess]: Starting monitored process 117 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) [2025-02-06 19:31:19,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2025-02-06 19:31:19,005 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 [2025-02-06 19:31:19,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:19,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:19,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:19,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:19,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:19,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:19,018 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:19,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2025-02-06 19:31:19,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:19,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:19,025 INFO L229 MonitoredProcess]: Starting monitored process 118 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) [2025-02-06 19:31:19,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2025-02-06 19:31:19,027 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 [2025-02-06 19:31:19,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:19,036 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2025-02-06 19:31:19,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:19,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:19,037 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2025-02-06 19:31:19,037 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:19,039 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:19,044 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2025-02-06 19:31:19,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:19,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:19,046 INFO L229 MonitoredProcess]: Starting monitored process 119 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) [2025-02-06 19:31:19,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2025-02-06 19:31:19,048 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 [2025-02-06 19:31:19,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:19,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:19,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:19,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:19,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:19,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:19,061 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:19,066 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2025-02-06 19:31:19,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:19,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:19,068 INFO L229 MonitoredProcess]: Starting monitored process 120 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) [2025-02-06 19:31:19,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2025-02-06 19:31:19,069 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 [2025-02-06 19:31:19,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:19,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:19,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:19,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:19,079 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:19,079 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:19,082 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:19,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:19,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:19,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:19,089 INFO L229 MonitoredProcess]: Starting monitored process 121 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) [2025-02-06 19:31:19,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2025-02-06 19:31:19,090 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 [2025-02-06 19:31:19,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:19,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:19,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:19,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:19,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:19,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:19,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:19,101 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:19,106 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2025-02-06 19:31:19,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:19,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:19,108 INFO L229 MonitoredProcess]: Starting monitored process 122 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) [2025-02-06 19:31:19,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2025-02-06 19:31:19,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:31:19,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:19,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:19,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:19,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:19,121 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:19,121 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:19,127 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:31:19,135 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2025-02-06 19:31:19,135 INFO L444 ModelExtractionUtils]: 0 out of 16 variables were initially zero. Simplification set additionally 12 variables to zero. [2025-02-06 19:31:19,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:19,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:19,137 INFO L229 MonitoredProcess]: Starting monitored process 123 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) [2025-02-06 19:31:19,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2025-02-06 19:31:19,138 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:31:19,148 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-06 19:31:19,148 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:31:19,148 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#string_A~0#1.base)_5, ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~#string_A~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~#string_A~0#1.base)_5 - 1*ULTIMATE.start_main_~i~0#1 - 1*ULTIMATE.start_main_~#string_A~0#1.offset Supporting invariants [] [2025-02-06 19:31:19,154 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Ended with exit code 0 [2025-02-06 19:31:19,169 INFO L156 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2025-02-06 19:31:19,170 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2025-02-06 19:31:19,170 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2025-02-06 19:31:19,170 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#string_A~0!offset [2025-02-06 19:31:19,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:19,188 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 19:31:19,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 19:31:19,212 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:19,212 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:19,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 19:31:19,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:19,238 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:19,239 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:19,240 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:19,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:19,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 19:31:19,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:19,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:31:19,253 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-02-06 19:31:19,253 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 41 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:31:19,265 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 41 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 47 transitions. Complement of second has 5 states. [2025-02-06 19:31:19,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-02-06 19:31:19,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:31:19,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 21 transitions. [2025-02-06 19:31:19,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 21 transitions. Stem has 32 letters. Loop has 2 letters. [2025-02-06 19:31:19,266 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:31:19,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 21 transitions. Stem has 34 letters. Loop has 2 letters. [2025-02-06 19:31:19,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:31:19,267 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 21 transitions. Stem has 32 letters. Loop has 4 letters. [2025-02-06 19:31:19,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:31:19,267 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 47 transitions. [2025-02-06 19:31:19,267 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 19:31:19,267 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 40 states and 47 transitions. [2025-02-06 19:31:19,268 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2025-02-06 19:31:19,268 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2025-02-06 19:31:19,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 47 transitions. [2025-02-06 19:31:19,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:31:19,268 INFO L218 hiAutomatonCegarLoop]: Abstraction has 40 states and 47 transitions. [2025-02-06 19:31:19,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 47 transitions. [2025-02-06 19:31:19,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2025-02-06 19:31:19,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.175) internal successors, (47), 39 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:31:19,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions. [2025-02-06 19:31:19,270 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 47 transitions. [2025-02-06 19:31:19,270 INFO L432 stractBuchiCegarLoop]: Abstraction has 40 states and 47 transitions. [2025-02-06 19:31:19,270 INFO L338 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2025-02-06 19:31:19,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 47 transitions. [2025-02-06 19:31:19,270 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 19:31:19,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:31:19,270 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:31:19,270 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:31:19,271 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 19:31:19,271 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1;" "assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" [2025-02-06 19:31:19,271 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" [2025-02-06 19:31:19,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:19,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1115689872, now seen corresponding path program 4 times [2025-02-06 19:31:19,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:19,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390543057] [2025-02-06 19:31:19,271 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 19:31:19,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:19,279 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 34 statements into 2 equivalence classes. [2025-02-06 19:31:19,300 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 19:31:19,300 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 19:31:19,300 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:19,300 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:19,302 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-06 19:31:19,312 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 19:31:19,313 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:19,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:19,316 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:19,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:19,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1407, now seen corresponding path program 7 times [2025-02-06 19:31:19,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:19,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574854192] [2025-02-06 19:31:19,317 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-06 19:31:19,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:19,319 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:19,320 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:19,320 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:19,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:19,321 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:19,322 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:19,323 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:19,323 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:19,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:19,325 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:19,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:19,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1563856562, now seen corresponding path program 3 times [2025-02-06 19:31:19,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:19,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713848672] [2025-02-06 19:31:19,325 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:31:19,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:19,335 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 36 statements into 4 equivalence classes. [2025-02-06 19:31:19,347 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 34 of 36 statements. [2025-02-06 19:31:19,347 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-02-06 19:31:19,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:19,448 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:19,489 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-06 19:31:19,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:31:19,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713848672] [2025-02-06 19:31:19,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713848672] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 19:31:19,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460983068] [2025-02-06 19:31:19,490 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:31:19,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 19:31:19,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:19,493 INFO L229 MonitoredProcess]: Starting monitored process 124 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 19:31:19,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (124)] Waiting until timeout for monitored process [2025-02-06 19:31:19,561 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 36 statements into 4 equivalence classes. [2025-02-06 19:31:19,585 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 34 of 36 statements. [2025-02-06 19:31:19,586 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-02-06 19:31:19,586 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:19,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 19:31:19,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:19,643 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-06 19:31:19,643 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 19:31:19,678 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-06 19:31:19,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460983068] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 19:31:19,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 19:31:19,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2025-02-06 19:31:19,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583260465] [2025-02-06 19:31:19,679 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 19:31:19,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:31:19,732 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 19:31:19,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2025-02-06 19:31:19,733 INFO L87 Difference]: Start difference. First operand 40 states and 47 transitions. cyclomatic complexity: 12 Second operand has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 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) [2025-02-06 19:31:19,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:31:19,808 INFO L93 Difference]: Finished difference Result 63 states and 73 transitions. [2025-02-06 19:31:19,808 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 73 transitions. [2025-02-06 19:31:19,808 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 19:31:19,810 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 43 states and 50 transitions. [2025-02-06 19:31:19,810 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2025-02-06 19:31:19,810 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2025-02-06 19:31:19,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 50 transitions. [2025-02-06 19:31:19,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:31:19,811 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 50 transitions. [2025-02-06 19:31:19,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 50 transitions. [2025-02-06 19:31:19,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2025-02-06 19:31:19,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.1666666666666667) internal successors, (49), 41 states have internal predecessors, (49), 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) [2025-02-06 19:31:19,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2025-02-06 19:31:19,812 INFO L240 hiAutomatonCegarLoop]: Abstraction has 42 states and 49 transitions. [2025-02-06 19:31:19,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 19:31:19,816 INFO L432 stractBuchiCegarLoop]: Abstraction has 42 states and 49 transitions. [2025-02-06 19:31:19,816 INFO L338 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2025-02-06 19:31:19,816 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 49 transitions. [2025-02-06 19:31:19,817 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 19:31:19,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:31:19,817 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:31:19,817 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:31:19,817 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 19:31:19,817 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1;" "assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" [2025-02-06 19:31:19,817 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" [2025-02-06 19:31:19,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:19,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1543928977, now seen corresponding path program 5 times [2025-02-06 19:31:19,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:19,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467275927] [2025-02-06 19:31:19,818 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 19:31:19,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:19,825 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 36 statements into 4 equivalence classes. [2025-02-06 19:31:19,838 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 36 of 36 statements. [2025-02-06 19:31:19,838 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-02-06 19:31:19,838 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:19,959 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-02-06 19:31:19,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:31:19,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467275927] [2025-02-06 19:31:19,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467275927] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 19:31:19,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368784025] [2025-02-06 19:31:19,960 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 19:31:19,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 19:31:19,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:19,962 INFO L229 MonitoredProcess]: Starting monitored process 125 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 19:31:19,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (125)] Waiting until timeout for monitored process [2025-02-06 19:31:20,046 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 36 statements into 4 equivalence classes. [2025-02-06 19:31:20,121 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 36 of 36 statements. [2025-02-06 19:31:20,121 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-02-06 19:31:20,121 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:20,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-06 19:31:20,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:20,190 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-02-06 19:31:20,190 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 19:31:20,248 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-02-06 19:31:20,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1368784025] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 19:31:20,248 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 19:31:20,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 12 [2025-02-06 19:31:20,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845601954] [2025-02-06 19:31:20,248 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 19:31:20,249 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 19:31:20,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:20,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1407, now seen corresponding path program 8 times [2025-02-06 19:31:20,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:20,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429147001] [2025-02-06 19:31:20,249 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:31:20,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:20,252 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:20,253 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:20,253 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:31:20,253 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:20,253 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:20,254 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:20,254 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:20,254 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:20,254 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:20,256 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:20,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:31:20,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 19:31:20,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2025-02-06 19:31:20,330 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. cyclomatic complexity: 12 Second operand has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 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) [2025-02-06 19:31:20,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:31:20,385 INFO L93 Difference]: Finished difference Result 48 states and 55 transitions. [2025-02-06 19:31:20,385 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 55 transitions. [2025-02-06 19:31:20,386 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 19:31:20,386 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 46 states and 53 transitions. [2025-02-06 19:31:20,386 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2025-02-06 19:31:20,386 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2025-02-06 19:31:20,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 53 transitions. [2025-02-06 19:31:20,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:31:20,386 INFO L218 hiAutomatonCegarLoop]: Abstraction has 46 states and 53 transitions. [2025-02-06 19:31:20,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 53 transitions. [2025-02-06 19:31:20,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2025-02-06 19:31:20,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 43 states have internal predecessors, (51), 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) [2025-02-06 19:31:20,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2025-02-06 19:31:20,388 INFO L240 hiAutomatonCegarLoop]: Abstraction has 44 states and 51 transitions. [2025-02-06 19:31:20,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 19:31:20,389 INFO L432 stractBuchiCegarLoop]: Abstraction has 44 states and 51 transitions. [2025-02-06 19:31:20,389 INFO L338 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2025-02-06 19:31:20,389 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 51 transitions. [2025-02-06 19:31:20,390 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 19:31:20,390 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:31:20,390 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:31:20,390 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:31:20,390 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 19:31:20,390 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1;" "assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" [2025-02-06 19:31:20,391 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" [2025-02-06 19:31:20,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:20,391 INFO L85 PathProgramCache]: Analyzing trace with hash 167906448, now seen corresponding path program 6 times [2025-02-06 19:31:20,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:20,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130657799] [2025-02-06 19:31:20,391 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-06 19:31:20,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:20,401 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 38 statements into 4 equivalence classes. [2025-02-06 19:31:20,424 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 19:31:20,424 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2025-02-06 19:31:20,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:20,425 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:20,427 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 19:31:20,444 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 19:31:20,444 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:20,444 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:20,449 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:20,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:20,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1407, now seen corresponding path program 9 times [2025-02-06 19:31:20,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:20,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647809163] [2025-02-06 19:31:20,450 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:31:20,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:20,452 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:20,453 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:20,453 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-06 19:31:20,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:20,453 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:20,453 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:20,454 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:20,454 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:20,454 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:20,455 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:20,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:20,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1850660274, now seen corresponding path program 4 times [2025-02-06 19:31:20,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:20,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503077828] [2025-02-06 19:31:20,456 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 19:31:20,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:20,463 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 40 statements into 2 equivalence classes. [2025-02-06 19:31:20,477 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 19:31:20,477 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 19:31:20,477 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:20,477 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:20,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 19:31:20,492 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 19:31:20,493 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:20,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:20,498 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:25,869 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:31:25,870 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:31:25,870 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:31:25,870 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:31:25,870 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:31:25,870 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:25,870 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:31:25,870 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:31:25,870 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration16_Lasso [2025-02-06 19:31:25,870 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:31:25,870 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:31:25,871 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:25,873 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:25,874 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:25,881 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:25,882 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:25,883 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:26,290 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:26,291 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:26,292 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:26,293 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:26,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:26,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:26,296 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:26,297 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:26,298 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:26,299 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:26,300 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:26,412 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2025-02-06 19:31:27,467 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:31:27,468 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:31:27,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:27,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:27,470 INFO L229 MonitoredProcess]: Starting monitored process 126 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) [2025-02-06 19:31:27,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2025-02-06 19:31:27,471 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 [2025-02-06 19:31:27,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:27,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:27,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:27,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:27,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:27,484 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:27,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:27,485 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:27,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:27,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:27,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:27,494 INFO L229 MonitoredProcess]: Starting monitored process 127 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) [2025-02-06 19:31:27,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2025-02-06 19:31:27,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:31:27,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:27,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:27,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:27,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:27,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:27,507 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:27,507 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:27,509 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:27,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Ended with exit code 0 [2025-02-06 19:31:27,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:27,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:27,519 INFO L229 MonitoredProcess]: Starting monitored process 128 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) [2025-02-06 19:31:27,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2025-02-06 19:31:27,523 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 [2025-02-06 19:31:27,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:27,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:27,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:27,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:27,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:27,535 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:27,537 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:27,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:27,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:27,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:27,545 INFO L229 MonitoredProcess]: Starting monitored process 129 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) [2025-02-06 19:31:27,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2025-02-06 19:31:27,556 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 [2025-02-06 19:31:27,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:27,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:27,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:27,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:27,567 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:27,567 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:27,569 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:27,574 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Ended with exit code 0 [2025-02-06 19:31:27,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:27,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:27,576 INFO L229 MonitoredProcess]: Starting monitored process 130 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) [2025-02-06 19:31:27,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2025-02-06 19:31:27,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:31:27,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:27,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:27,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:27,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:27,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:27,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:27,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:27,589 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:27,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Ended with exit code 0 [2025-02-06 19:31:27,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:27,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:27,597 INFO L229 MonitoredProcess]: Starting monitored process 131 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) [2025-02-06 19:31:27,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2025-02-06 19:31:27,599 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 [2025-02-06 19:31:27,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:27,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:27,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:27,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:27,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:27,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:27,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:27,610 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:27,616 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Ended with exit code 0 [2025-02-06 19:31:27,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:27,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:27,618 INFO L229 MonitoredProcess]: Starting monitored process 132 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) [2025-02-06 19:31:27,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2025-02-06 19:31:27,619 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 [2025-02-06 19:31:27,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:27,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:27,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:27,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:27,630 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:27,630 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:27,632 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:27,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Ended with exit code 0 [2025-02-06 19:31:27,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:27,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:27,641 INFO L229 MonitoredProcess]: Starting monitored process 133 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) [2025-02-06 19:31:27,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2025-02-06 19:31:27,643 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 [2025-02-06 19:31:27,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:27,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:27,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:27,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:27,654 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:27,654 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:27,660 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:31:27,669 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2025-02-06 19:31:27,669 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2025-02-06 19:31:27,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:27,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:27,673 INFO L229 MonitoredProcess]: Starting monitored process 134 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) [2025-02-06 19:31:27,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2025-02-06 19:31:27,674 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:31:27,684 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-06 19:31:27,684 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:31:27,685 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 5 Supporting invariants [-1*ULTIMATE.start_main_~nc_A~0#1 + 3 >= 0] [2025-02-06 19:31:27,690 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Ended with exit code 0 [2025-02-06 19:31:27,726 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2025-02-06 19:31:27,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:27,762 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 19:31:27,784 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 19:31:27,784 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:27,784 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:27,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 19:31:27,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:27,920 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:27,922 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:27,923 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:27,923 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:27,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 19:31:27,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:27,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:31:27,939 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2025-02-06 19:31:27,939 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 44 states and 51 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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) [2025-02-06 19:31:28,018 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 44 states and 51 transitions. cyclomatic complexity: 12. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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 70 states and 85 transitions. Complement of second has 10 states. [2025-02-06 19:31:28,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 5 stem states 1 non-accepting loop states 2 accepting loop states [2025-02-06 19:31:28,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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) [2025-02-06 19:31:28,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 38 transitions. [2025-02-06 19:31:28,019 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 38 transitions. Stem has 38 letters. Loop has 2 letters. [2025-02-06 19:31:28,019 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:31:28,019 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-02-06 19:31:28,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:28,052 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 19:31:28,082 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 19:31:28,082 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:28,082 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:28,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 19:31:28,085 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:28,222 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:28,223 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:28,224 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:28,224 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:28,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 19:31:28,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:28,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:31:28,235 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.5 stem predicates 2 loop predicates [2025-02-06 19:31:28,235 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 44 states and 51 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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) [2025-02-06 19:31:28,299 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 44 states and 51 transitions. cyclomatic complexity: 12. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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 70 states and 85 transitions. Complement of second has 10 states. [2025-02-06 19:31:28,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 5 stem states 1 non-accepting loop states 2 accepting loop states [2025-02-06 19:31:28,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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) [2025-02-06 19:31:28,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 38 transitions. [2025-02-06 19:31:28,300 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 38 transitions. Stem has 38 letters. Loop has 2 letters. [2025-02-06 19:31:28,300 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:31:28,300 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-02-06 19:31:28,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:28,323 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 19:31:28,348 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 19:31:28,348 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:28,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:28,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 19:31:28,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:28,481 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:28,483 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:28,483 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:28,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:28,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 19:31:28,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:28,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:31:28,495 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2025-02-06 19:31:28,495 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 44 states and 51 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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) [2025-02-06 19:31:28,566 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 44 states and 51 transitions. cyclomatic complexity: 12. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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 76 states and 94 transitions. Complement of second has 9 states. [2025-02-06 19:31:28,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 5 stem states 1 non-accepting loop states 2 accepting loop states [2025-02-06 19:31:28,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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) [2025-02-06 19:31:28,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 40 transitions. [2025-02-06 19:31:28,568 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 40 transitions. Stem has 38 letters. Loop has 2 letters. [2025-02-06 19:31:28,568 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:31:28,568 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 40 transitions. Stem has 40 letters. Loop has 2 letters. [2025-02-06 19:31:28,568 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:31:28,568 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 40 transitions. Stem has 38 letters. Loop has 4 letters. [2025-02-06 19:31:28,568 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:31:28,568 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 94 transitions. [2025-02-06 19:31:28,569 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2025-02-06 19:31:28,570 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 74 states and 90 transitions. [2025-02-06 19:31:28,570 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2025-02-06 19:31:28,570 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2025-02-06 19:31:28,570 INFO L73 IsDeterministic]: Start isDeterministic. Operand 74 states and 90 transitions. [2025-02-06 19:31:28,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:31:28,570 INFO L218 hiAutomatonCegarLoop]: Abstraction has 74 states and 90 transitions. [2025-02-06 19:31:28,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states and 90 transitions. [2025-02-06 19:31:28,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 61. [2025-02-06 19:31:28,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.180327868852459) internal successors, (72), 60 states have internal predecessors, (72), 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) [2025-02-06 19:31:28,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 72 transitions. [2025-02-06 19:31:28,573 INFO L240 hiAutomatonCegarLoop]: Abstraction has 61 states and 72 transitions. [2025-02-06 19:31:28,573 INFO L432 stractBuchiCegarLoop]: Abstraction has 61 states and 72 transitions. [2025-02-06 19:31:28,573 INFO L338 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2025-02-06 19:31:28,573 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states and 72 transitions. [2025-02-06 19:31:28,574 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2025-02-06 19:31:28,575 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:31:28,575 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:31:28,576 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:31:28,576 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 19:31:28,576 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1;" "assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1;" [2025-02-06 19:31:28,576 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" [2025-02-06 19:31:28,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:28,576 INFO L85 PathProgramCache]: Analyzing trace with hash 516863442, now seen corresponding path program 2 times [2025-02-06 19:31:28,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:28,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440642521] [2025-02-06 19:31:28,576 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:31:28,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:28,588 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 34 statements into 2 equivalence classes. [2025-02-06 19:31:28,599 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 19:31:28,599 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 19:31:28,600 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:28,600 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:28,602 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-06 19:31:28,614 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 19:31:28,615 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:28,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:28,618 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:28,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:28,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1408, now seen corresponding path program 1 times [2025-02-06 19:31:28,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:28,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460305820] [2025-02-06 19:31:28,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:31:28,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:28,622 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:28,623 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:28,623 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:28,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:28,623 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:28,623 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:28,624 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:28,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:28,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:28,626 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:28,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:28,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1510438127, now seen corresponding path program 7 times [2025-02-06 19:31:28,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:28,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425275590] [2025-02-06 19:31:28,627 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-06 19:31:28,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:28,636 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-06 19:31:28,662 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-06 19:31:28,665 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:28,666 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:28,666 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:28,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:28,669 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-06 19:31:28,677 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-06 19:31:28,678 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:28,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:28,682 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:34,742 WARN L286 SmtUtils]: Spent 5.98s on a formula simplification. DAG size of input: 335 DAG size of output: 258 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2025-02-06 19:31:35,473 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:31:35,474 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:31:35,474 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:31:35,474 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:31:35,474 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:31:35,474 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:35,474 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:31:35,474 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:31:35,474 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration17_Lasso [2025-02-06 19:31:35,474 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:31:35,474 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:31:35,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:35,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:35,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:35,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:35,480 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:35,969 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:35,970 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:35,971 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:35,972 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:35,979 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:35,981 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:35,983 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:35,984 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:35,986 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:35,996 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:36,001 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:36,003 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:36,285 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:31:36,285 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:31:36,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:36,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:36,287 INFO L229 MonitoredProcess]: Starting monitored process 135 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) [2025-02-06 19:31:36,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2025-02-06 19:31:36,288 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 [2025-02-06 19:31:36,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:36,300 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:36,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:36,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:36,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:36,300 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:36,300 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:36,301 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:36,308 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Ended with exit code 0 [2025-02-06 19:31:36,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:36,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:36,310 INFO L229 MonitoredProcess]: Starting monitored process 136 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) [2025-02-06 19:31:36,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2025-02-06 19:31:36,313 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 [2025-02-06 19:31:36,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:36,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:36,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:36,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:36,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:36,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:36,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:36,324 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:36,330 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Ended with exit code 0 [2025-02-06 19:31:36,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:36,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:36,332 INFO L229 MonitoredProcess]: Starting monitored process 137 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) [2025-02-06 19:31:36,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2025-02-06 19:31:36,334 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 [2025-02-06 19:31:36,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:36,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:36,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:36,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:36,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:36,347 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:36,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:36,348 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:36,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:36,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:36,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:36,356 INFO L229 MonitoredProcess]: Starting monitored process 138 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) [2025-02-06 19:31:36,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2025-02-06 19:31:36,358 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 [2025-02-06 19:31:36,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:36,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:36,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:36,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:36,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:36,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:36,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:36,370 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:36,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:36,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:36,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:36,378 INFO L229 MonitoredProcess]: Starting monitored process 139 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) [2025-02-06 19:31:36,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2025-02-06 19:31:36,380 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 [2025-02-06 19:31:36,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:36,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:36,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:36,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:36,392 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:36,392 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:36,394 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:36,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:36,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:36,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:36,402 INFO L229 MonitoredProcess]: Starting monitored process 140 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) [2025-02-06 19:31:36,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2025-02-06 19:31:36,404 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 [2025-02-06 19:31:36,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:36,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:36,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:36,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:36,419 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:36,419 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:36,430 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:31:36,458 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2025-02-06 19:31:36,458 INFO L444 ModelExtractionUtils]: 3 out of 28 variables were initially zero. Simplification set additionally 22 variables to zero. [2025-02-06 19:31:36,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:36,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:36,460 INFO L229 MonitoredProcess]: Starting monitored process 141 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) [2025-02-06 19:31:36,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2025-02-06 19:31:36,463 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:31:36,474 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-06 19:31:36,474 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:31:36,475 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~#string_A~0#1.base)_7) = -2*ULTIMATE.start_main_~i~0#1 + 5*v_rep(select #length ULTIMATE.start_main_~#string_A~0#1.base)_7 Supporting invariants [] [2025-02-06 19:31:36,483 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Ended with exit code 0 [2025-02-06 19:31:36,525 INFO L156 tatePredicateManager]: 16 out of 18 supporting invariants were superfluous and have been removed [2025-02-06 19:31:36,529 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2025-02-06 19:31:36,530 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2025-02-06 19:31:36,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:36,570 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-06 19:31:36,597 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 19:31:36,598 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:36,598 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:36,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-06 19:31:36,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:36,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:36,732 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:36,735 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:36,735 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:36,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:36,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 19:31:36,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:36,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:31:36,753 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2025-02-06 19:31:36,753 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 72 transitions. cyclomatic complexity: 18 Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:31:36,824 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 72 transitions. cyclomatic complexity: 18. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 73 states and 89 transitions. Complement of second has 10 states. [2025-02-06 19:31:36,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 5 stem states 1 non-accepting loop states 2 accepting loop states [2025-02-06 19:31:36,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:31:36,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 33 transitions. [2025-02-06 19:31:36,824 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 33 transitions. Stem has 34 letters. Loop has 2 letters. [2025-02-06 19:31:36,825 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:31:36,825 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 33 transitions. Stem has 36 letters. Loop has 2 letters. [2025-02-06 19:31:36,825 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:31:36,825 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 33 transitions. Stem has 34 letters. Loop has 4 letters. [2025-02-06 19:31:36,825 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:31:36,825 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 89 transitions. [2025-02-06 19:31:36,825 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2025-02-06 19:31:36,826 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 71 states and 85 transitions. [2025-02-06 19:31:36,826 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2025-02-06 19:31:36,826 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2025-02-06 19:31:36,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 85 transitions. [2025-02-06 19:31:36,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:31:36,826 INFO L218 hiAutomatonCegarLoop]: Abstraction has 71 states and 85 transitions. [2025-02-06 19:31:36,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 85 transitions. [2025-02-06 19:31:36,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 64. [2025-02-06 19:31:36,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 64 states have (on average 1.203125) internal successors, (77), 63 states have internal predecessors, (77), 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) [2025-02-06 19:31:36,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 77 transitions. [2025-02-06 19:31:36,834 INFO L240 hiAutomatonCegarLoop]: Abstraction has 64 states and 77 transitions. [2025-02-06 19:31:36,834 INFO L432 stractBuchiCegarLoop]: Abstraction has 64 states and 77 transitions. [2025-02-06 19:31:36,834 INFO L338 stractBuchiCegarLoop]: ======== Iteration 18 ============ [2025-02-06 19:31:36,834 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 64 states and 77 transitions. [2025-02-06 19:31:36,835 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2025-02-06 19:31:36,835 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:31:36,835 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:31:36,835 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:31:36,835 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 19:31:36,835 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1;" "assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" [2025-02-06 19:31:36,835 INFO L754 eck$LassoCheckResult]: Loop: "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" [2025-02-06 19:31:36,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:36,837 INFO L85 PathProgramCache]: Analyzing trace with hash 421058302, now seen corresponding path program 2 times [2025-02-06 19:31:36,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:36,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461109308] [2025-02-06 19:31:36,838 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:31:36,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:36,847 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 37 statements into 2 equivalence classes. [2025-02-06 19:31:36,866 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 37 of 37 statements. [2025-02-06 19:31:36,866 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 19:31:36,866 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:36,866 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:36,868 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-06 19:31:36,887 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-06 19:31:36,887 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:36,887 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:36,893 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:36,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:36,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1378, now seen corresponding path program 2 times [2025-02-06 19:31:36,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:36,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645065667] [2025-02-06 19:31:36,894 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:31:36,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:36,896 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:36,897 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:36,897 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:31:36,897 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:36,897 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:36,898 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:36,899 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:36,899 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:36,899 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:36,901 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:36,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:36,903 INFO L85 PathProgramCache]: Analyzing trace with hash 910102815, now seen corresponding path program 5 times [2025-02-06 19:31:36,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:36,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514885083] [2025-02-06 19:31:36,903 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 19:31:36,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:36,914 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 39 statements into 4 equivalence classes. [2025-02-06 19:31:36,929 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 19:31:36,930 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-02-06 19:31:36,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:36,930 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:36,933 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 19:31:36,948 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 19:31:36,948 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:36,948 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:36,953 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:44,962 WARN L286 SmtUtils]: Spent 7.92s on a formula simplification. DAG size of input: 374 DAG size of output: 280 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2025-02-06 19:31:45,887 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:31:45,888 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:31:45,888 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:31:45,888 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:31:45,888 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:31:45,888 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:45,888 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:31:45,888 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:31:45,888 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration18_Lasso [2025-02-06 19:31:45,888 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:31:45,888 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:31:45,889 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:45,893 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:45,894 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:45,896 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:46,470 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:46,472 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:46,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:46,474 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:46,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:46,483 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:46,484 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:46,485 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:46,486 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:46,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:46,489 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:46,493 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:46,872 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:31:46,872 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:31:46,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:46,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:46,874 INFO L229 MonitoredProcess]: Starting monitored process 142 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) [2025-02-06 19:31:46,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2025-02-06 19:31:46,876 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 [2025-02-06 19:31:46,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:46,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:46,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:46,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:46,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:46,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:46,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:46,887 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:46,893 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2025-02-06 19:31:46,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:46,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:46,895 INFO L229 MonitoredProcess]: Starting monitored process 143 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) [2025-02-06 19:31:46,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2025-02-06 19:31:46,897 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 [2025-02-06 19:31:46,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:46,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:46,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:46,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:46,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:46,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:46,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:46,910 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:46,916 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Ended with exit code 0 [2025-02-06 19:31:46,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:46,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:46,918 INFO L229 MonitoredProcess]: Starting monitored process 144 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) [2025-02-06 19:31:46,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2025-02-06 19:31:46,920 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 [2025-02-06 19:31:46,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:46,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:46,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:46,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:46,930 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:46,930 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:46,933 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:46,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Ended with exit code 0 [2025-02-06 19:31:46,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:46,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:46,941 INFO L229 MonitoredProcess]: Starting monitored process 145 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) [2025-02-06 19:31:46,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2025-02-06 19:31:46,943 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 [2025-02-06 19:31:46,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:46,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:46,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:46,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:46,953 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:46,953 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:46,956 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:46,963 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Ended with exit code 0 [2025-02-06 19:31:46,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:46,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:46,964 INFO L229 MonitoredProcess]: Starting monitored process 146 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) [2025-02-06 19:31:46,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2025-02-06 19:31:46,966 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 [2025-02-06 19:31:46,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:46,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:46,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:46,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:46,976 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:46,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:46,979 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:46,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Ended with exit code 0 [2025-02-06 19:31:46,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:46,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:46,986 INFO L229 MonitoredProcess]: Starting monitored process 147 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) [2025-02-06 19:31:46,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2025-02-06 19:31:46,987 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 [2025-02-06 19:31:46,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:46,997 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2025-02-06 19:31:46,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:46,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:46,998 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2025-02-06 19:31:46,998 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:47,000 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:47,006 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Ended with exit code 0 [2025-02-06 19:31:47,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:47,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:47,007 INFO L229 MonitoredProcess]: Starting monitored process 148 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) [2025-02-06 19:31:47,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2025-02-06 19:31:47,009 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 [2025-02-06 19:31:47,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:47,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:47,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:47,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:47,020 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:47,020 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:47,023 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:47,028 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Ended with exit code 0 [2025-02-06 19:31:47,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:47,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:47,030 INFO L229 MonitoredProcess]: Starting monitored process 149 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) [2025-02-06 19:31:47,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2025-02-06 19:31:47,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:31:47,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:47,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:47,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:47,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:47,043 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:47,043 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:47,045 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:47,051 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Ended with exit code 0 [2025-02-06 19:31:47,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:47,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:47,052 INFO L229 MonitoredProcess]: Starting monitored process 150 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) [2025-02-06 19:31:47,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2025-02-06 19:31:47,054 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 [2025-02-06 19:31:47,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:47,064 INFO L203 nArgumentSynthesizer]: 8 stem disjuncts [2025-02-06 19:31:47,064 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-02-06 19:31:47,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:47,084 INFO L401 nArgumentSynthesizer]: We have 44 Motzkin's Theorem applications. [2025-02-06 19:31:47,084 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2025-02-06 19:31:47,122 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:47,128 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Ended with exit code 0 [2025-02-06 19:31:47,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:47,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:47,130 INFO L229 MonitoredProcess]: Starting monitored process 151 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) [2025-02-06 19:31:47,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2025-02-06 19:31:47,132 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 [2025-02-06 19:31:47,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:47,142 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2025-02-06 19:31:47,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:47,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:47,142 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2025-02-06 19:31:47,142 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:47,145 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:47,150 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Ended with exit code 0 [2025-02-06 19:31:47,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:47,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:47,152 INFO L229 MonitoredProcess]: Starting monitored process 152 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) [2025-02-06 19:31:47,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2025-02-06 19:31:47,154 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 [2025-02-06 19:31:47,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:47,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:47,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:47,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:47,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:47,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:47,166 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:47,171 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Ended with exit code 0 [2025-02-06 19:31:47,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:47,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:47,173 INFO L229 MonitoredProcess]: Starting monitored process 153 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) [2025-02-06 19:31:47,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2025-02-06 19:31:47,175 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 [2025-02-06 19:31:47,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:47,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:47,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:47,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:47,185 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:47,185 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:47,188 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:47,193 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Ended with exit code 0 [2025-02-06 19:31:47,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:47,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:47,194 INFO L229 MonitoredProcess]: Starting monitored process 154 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) [2025-02-06 19:31:47,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2025-02-06 19:31:47,196 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 [2025-02-06 19:31:47,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:47,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:47,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:47,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:47,206 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:47,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:47,208 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:47,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Ended with exit code 0 [2025-02-06 19:31:47,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:47,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:47,216 INFO L229 MonitoredProcess]: Starting monitored process 155 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) [2025-02-06 19:31:47,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2025-02-06 19:31:47,217 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 [2025-02-06 19:31:47,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:47,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:47,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:47,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:47,228 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:47,228 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:47,230 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:47,235 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Ended with exit code 0 [2025-02-06 19:31:47,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:47,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:47,237 INFO L229 MonitoredProcess]: Starting monitored process 156 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) [2025-02-06 19:31:47,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2025-02-06 19:31:47,239 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 [2025-02-06 19:31:47,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:47,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:47,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:47,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:47,250 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:47,250 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:47,252 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:47,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:47,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:47,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:47,260 INFO L229 MonitoredProcess]: Starting monitored process 157 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) [2025-02-06 19:31:47,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2025-02-06 19:31:47,262 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 [2025-02-06 19:31:47,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:47,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:47,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:47,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:47,272 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:47,273 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:47,275 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:47,281 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Ended with exit code 0 [2025-02-06 19:31:47,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:47,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:47,283 INFO L229 MonitoredProcess]: Starting monitored process 158 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) [2025-02-06 19:31:47,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2025-02-06 19:31:47,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:31:47,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:47,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:47,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:47,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:47,307 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:47,307 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:47,310 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:47,318 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Ended with exit code 0 [2025-02-06 19:31:47,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:47,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:47,320 INFO L229 MonitoredProcess]: Starting monitored process 159 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) [2025-02-06 19:31:47,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2025-02-06 19:31:47,321 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 [2025-02-06 19:31:47,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:47,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:47,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:47,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:47,333 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:47,333 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:47,335 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:47,341 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Ended with exit code 0 [2025-02-06 19:31:47,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:47,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:47,343 INFO L229 MonitoredProcess]: Starting monitored process 160 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) [2025-02-06 19:31:47,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2025-02-06 19:31:47,345 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 [2025-02-06 19:31:47,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:47,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:47,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:47,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:47,358 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:47,359 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:47,368 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:31:47,386 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2025-02-06 19:31:47,386 INFO L444 ModelExtractionUtils]: 0 out of 19 variables were initially zero. Simplification set additionally 15 variables to zero. [2025-02-06 19:31:47,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:47,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:47,389 INFO L229 MonitoredProcess]: Starting monitored process 161 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) [2025-02-06 19:31:47,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2025-02-06 19:31:47,390 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:31:47,406 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-06 19:31:47,406 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:31:47,406 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~j~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 2*ULTIMATE.start_main_~j~0#1 + 3 Supporting invariants [] [2025-02-06 19:31:47,413 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Ended with exit code 0 [2025-02-06 19:31:47,465 INFO L156 tatePredicateManager]: 18 out of 19 supporting invariants were superfluous and have been removed [2025-02-06 19:31:47,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:47,492 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-06 19:31:47,515 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-06 19:31:47,515 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:47,515 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:47,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-06 19:31:47,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:47,598 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:47,600 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:47,600 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:47,600 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:47,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 19:31:47,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:47,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:31:47,614 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2025-02-06 19:31:47,614 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 64 states and 77 transitions. cyclomatic complexity: 21 Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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) [2025-02-06 19:31:47,690 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 64 states and 77 transitions. cyclomatic complexity: 21. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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 81 states and 99 transitions. Complement of second has 12 states. [2025-02-06 19:31:47,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 5 stem states 2 non-accepting loop states 2 accepting loop states [2025-02-06 19:31:47,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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) [2025-02-06 19:31:47,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 38 transitions. [2025-02-06 19:31:47,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 38 transitions. Stem has 37 letters. Loop has 2 letters. [2025-02-06 19:31:47,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:31:47,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 38 transitions. Stem has 39 letters. Loop has 2 letters. [2025-02-06 19:31:47,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:31:47,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 38 transitions. Stem has 37 letters. Loop has 4 letters. [2025-02-06 19:31:47,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:31:47,692 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 81 states and 99 transitions. [2025-02-06 19:31:47,693 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 19:31:47,693 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 81 states to 50 states and 58 transitions. [2025-02-06 19:31:47,693 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2025-02-06 19:31:47,693 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2025-02-06 19:31:47,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 58 transitions. [2025-02-06 19:31:47,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:31:47,693 INFO L218 hiAutomatonCegarLoop]: Abstraction has 50 states and 58 transitions. [2025-02-06 19:31:47,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 58 transitions. [2025-02-06 19:31:47,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 47. [2025-02-06 19:31:47,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 47 states have (on average 1.148936170212766) internal successors, (54), 46 states have internal predecessors, (54), 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) [2025-02-06 19:31:47,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 54 transitions. [2025-02-06 19:31:47,696 INFO L240 hiAutomatonCegarLoop]: Abstraction has 47 states and 54 transitions. [2025-02-06 19:31:47,696 INFO L432 stractBuchiCegarLoop]: Abstraction has 47 states and 54 transitions. [2025-02-06 19:31:47,696 INFO L338 stractBuchiCegarLoop]: ======== Iteration 19 ============ [2025-02-06 19:31:47,696 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 54 transitions. [2025-02-06 19:31:47,696 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 19:31:47,696 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:31:47,696 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:31:47,696 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:31:47,696 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 19:31:47,696 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1;" "assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" [2025-02-06 19:31:47,697 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" [2025-02-06 19:31:47,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:47,697 INFO L85 PathProgramCache]: Analyzing trace with hash 796030191, now seen corresponding path program 8 times [2025-02-06 19:31:47,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:47,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863534554] [2025-02-06 19:31:47,697 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:31:47,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:47,710 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 40 statements into 2 equivalence classes. [2025-02-06 19:31:47,716 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 19:31:47,716 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 19:31:47,716 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:47,865 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-02-06 19:31:47,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:31:47,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863534554] [2025-02-06 19:31:47,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863534554] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 19:31:47,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089741305] [2025-02-06 19:31:47,866 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:31:47,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 19:31:47,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:47,868 INFO L229 MonitoredProcess]: Starting monitored process 162 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 19:31:47,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (162)] Waiting until timeout for monitored process [2025-02-06 19:31:47,962 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 40 statements into 2 equivalence classes. [2025-02-06 19:31:47,993 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 19:31:47,993 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 19:31:47,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:47,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-06 19:31:47,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:48,060 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-02-06 19:31:48,061 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 19:31:48,088 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Ended with exit code 0 [2025-02-06 19:31:48,135 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-02-06 19:31:48,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089741305] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 19:31:48,136 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 19:31:48,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 17 [2025-02-06 19:31:48,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923110040] [2025-02-06 19:31:48,136 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 19:31:48,136 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 19:31:48,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:48,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1407, now seen corresponding path program 10 times [2025-02-06 19:31:48,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:48,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766804220] [2025-02-06 19:31:48,136 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 19:31:48,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:48,138 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 2 statements into 2 equivalence classes. [2025-02-06 19:31:48,139 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:48,139 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 19:31:48,139 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:48,139 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:48,140 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:48,140 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:48,140 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:48,140 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:48,142 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:48,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:31:48,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-06 19:31:48,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=175, Unknown=0, NotChecked=0, Total=272 [2025-02-06 19:31:48,192 INFO L87 Difference]: Start difference. First operand 47 states and 54 transitions. cyclomatic complexity: 12 Second operand has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 states have internal predecessors, (46), 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) [2025-02-06 19:31:48,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:31:48,233 INFO L93 Difference]: Finished difference Result 53 states and 60 transitions. [2025-02-06 19:31:48,233 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 60 transitions. [2025-02-06 19:31:48,234 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 19:31:48,234 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 51 states and 58 transitions. [2025-02-06 19:31:48,234 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2025-02-06 19:31:48,234 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2025-02-06 19:31:48,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 58 transitions. [2025-02-06 19:31:48,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:31:48,234 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 58 transitions. [2025-02-06 19:31:48,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 58 transitions. [2025-02-06 19:31:48,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 49. [2025-02-06 19:31:48,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.1428571428571428) internal successors, (56), 48 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:31:48,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 56 transitions. [2025-02-06 19:31:48,235 INFO L240 hiAutomatonCegarLoop]: Abstraction has 49 states and 56 transitions. [2025-02-06 19:31:48,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 19:31:48,238 INFO L432 stractBuchiCegarLoop]: Abstraction has 49 states and 56 transitions. [2025-02-06 19:31:48,239 INFO L338 stractBuchiCegarLoop]: ======== Iteration 20 ============ [2025-02-06 19:31:48,239 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 56 transitions. [2025-02-06 19:31:48,239 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-02-06 19:31:48,239 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:31:48,239 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:31:48,239 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:31:48,239 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 19:31:48,239 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1;" "assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" [2025-02-06 19:31:48,239 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" [2025-02-06 19:31:48,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:48,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1694196208, now seen corresponding path program 9 times [2025-02-06 19:31:48,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:48,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177567907] [2025-02-06 19:31:48,240 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:31:48,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:48,249 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 42 statements into 5 equivalence classes. [2025-02-06 19:31:48,263 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 19:31:48,264 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-02-06 19:31:48,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:48,264 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:48,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 19:31:48,277 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 19:31:48,279 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:48,279 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:48,283 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:48,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:48,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1407, now seen corresponding path program 11 times [2025-02-06 19:31:48,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:48,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409314196] [2025-02-06 19:31:48,284 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 19:31:48,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:48,287 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:48,288 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:48,288 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:31:48,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:48,288 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:48,288 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:48,289 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:48,289 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:48,289 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:48,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:48,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:48,291 INFO L85 PathProgramCache]: Analyzing trace with hash -329950258, now seen corresponding path program 6 times [2025-02-06 19:31:48,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:48,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813195904] [2025-02-06 19:31:48,291 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-06 19:31:48,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:48,304 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 44 statements into 5 equivalence classes. [2025-02-06 19:31:48,319 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 19:31:48,319 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-02-06 19:31:48,320 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:48,320 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:48,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 19:31:48,346 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 19:31:48,347 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:48,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:48,351 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:53,640 WARN L286 SmtUtils]: Spent 5.22s on a formula simplification. DAG size of input: 411 DAG size of output: 306 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2025-02-06 19:31:54,134 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:31:54,134 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:31:54,134 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:31:54,134 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:31:54,134 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:31:54,134 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:54,134 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:31:54,134 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:31:54,134 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration20_Lasso [2025-02-06 19:31:54,134 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:31:54,134 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:31:54,135 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:54,139 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:54,140 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:54,141 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:54,143 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:54,144 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:54,145 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:54,147 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:54,148 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:54,149 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:54,150 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:54,154 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:54,162 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:54,164 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:54,165 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:54,166 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:54,720 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:31:54,858 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2025-02-06 19:31:55,871 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:31:55,871 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:31:55,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:55,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:55,873 INFO L229 MonitoredProcess]: Starting monitored process 163 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) [2025-02-06 19:31:55,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2025-02-06 19:31:55,876 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 [2025-02-06 19:31:55,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:55,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:55,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:55,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:55,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:55,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:55,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:55,887 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:55,893 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Ended with exit code 0 [2025-02-06 19:31:55,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:55,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:55,895 INFO L229 MonitoredProcess]: Starting monitored process 164 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) [2025-02-06 19:31:55,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2025-02-06 19:31:55,897 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 [2025-02-06 19:31:55,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:55,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:55,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:55,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:55,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:55,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:55,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:55,911 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:55,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:55,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:55,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:55,919 INFO L229 MonitoredProcess]: Starting monitored process 165 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) [2025-02-06 19:31:55,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2025-02-06 19:31:55,920 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 [2025-02-06 19:31:55,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:55,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:55,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:55,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:55,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:55,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:55,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:55,931 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:55,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Ended with exit code 0 [2025-02-06 19:31:55,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:55,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:55,938 INFO L229 MonitoredProcess]: Starting monitored process 166 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) [2025-02-06 19:31:55,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2025-02-06 19:31:55,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:31:55,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:55,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:55,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:55,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:55,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:55,951 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:55,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:55,952 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:55,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:55,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:55,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:55,959 INFO L229 MonitoredProcess]: Starting monitored process 167 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) [2025-02-06 19:31:55,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2025-02-06 19:31:55,960 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 [2025-02-06 19:31:55,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:55,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:55,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:55,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:55,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:55,971 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:55,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:55,972 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:55,977 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Ended with exit code 0 [2025-02-06 19:31:55,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:55,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:55,979 INFO L229 MonitoredProcess]: Starting monitored process 168 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) [2025-02-06 19:31:55,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Waiting until timeout for monitored process [2025-02-06 19:31:55,980 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 [2025-02-06 19:31:55,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:55,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:55,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:55,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:55,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:55,991 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:55,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:55,992 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:55,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:55,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:55,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:55,999 INFO L229 MonitoredProcess]: Starting monitored process 169 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) [2025-02-06 19:31:56,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Waiting until timeout for monitored process [2025-02-06 19:31:56,001 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 [2025-02-06 19:31:56,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:56,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:56,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:56,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:56,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:56,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:56,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:56,012 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:56,018 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Ended with exit code 0 [2025-02-06 19:31:56,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:56,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:56,020 INFO L229 MonitoredProcess]: Starting monitored process 170 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) [2025-02-06 19:31:56,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Waiting until timeout for monitored process [2025-02-06 19:31:56,021 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 [2025-02-06 19:31:56,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:56,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:56,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:56,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:56,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:56,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:56,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:56,032 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:56,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:56,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:56,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:56,040 INFO L229 MonitoredProcess]: Starting monitored process 171 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) [2025-02-06 19:31:56,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Waiting until timeout for monitored process [2025-02-06 19:31:56,041 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 [2025-02-06 19:31:56,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:56,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:56,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:56,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:56,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:56,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:56,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:56,052 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:56,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:56,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:56,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:56,060 INFO L229 MonitoredProcess]: Starting monitored process 172 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) [2025-02-06 19:31:56,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Waiting until timeout for monitored process [2025-02-06 19:31:56,061 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 [2025-02-06 19:31:56,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:56,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:56,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:56,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:56,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:56,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:56,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:56,073 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:56,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Ended with exit code 0 [2025-02-06 19:31:56,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:56,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:56,080 INFO L229 MonitoredProcess]: Starting monitored process 173 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) [2025-02-06 19:31:56,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Waiting until timeout for monitored process [2025-02-06 19:31:56,082 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 [2025-02-06 19:31:56,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:56,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:56,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:56,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:56,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:56,092 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:56,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:56,094 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:56,099 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Ended with exit code 0 [2025-02-06 19:31:56,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:56,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:56,101 INFO L229 MonitoredProcess]: Starting monitored process 174 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) [2025-02-06 19:31:56,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Waiting until timeout for monitored process [2025-02-06 19:31:56,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:31:56,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:56,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:56,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:56,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:56,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:56,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:56,115 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:56,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Ended with exit code 0 [2025-02-06 19:31:56,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:56,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:56,122 INFO L229 MonitoredProcess]: Starting monitored process 175 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) [2025-02-06 19:31:56,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Waiting until timeout for monitored process [2025-02-06 19:31:56,124 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 [2025-02-06 19:31:56,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:56,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:56,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:56,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:56,134 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:56,134 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:56,136 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:56,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:56,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:56,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:56,144 INFO L229 MonitoredProcess]: Starting monitored process 176 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) [2025-02-06 19:31:56,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Waiting until timeout for monitored process [2025-02-06 19:31:56,145 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 [2025-02-06 19:31:56,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:56,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:56,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:56,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:56,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:56,156 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:56,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:56,157 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:56,162 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Ended with exit code 0 [2025-02-06 19:31:56,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:56,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:56,165 INFO L229 MonitoredProcess]: Starting monitored process 177 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) [2025-02-06 19:31:56,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Waiting until timeout for monitored process [2025-02-06 19:31:56,167 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 [2025-02-06 19:31:56,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:56,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:56,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:56,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:56,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:56,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:56,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:56,178 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:56,184 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Ended with exit code 0 [2025-02-06 19:31:56,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:56,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:56,186 INFO L229 MonitoredProcess]: Starting monitored process 178 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) [2025-02-06 19:31:56,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Waiting until timeout for monitored process [2025-02-06 19:31:56,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:31:56,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:56,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:31:56,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:56,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:56,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:56,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:31:56,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:31:56,199 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:56,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:56,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:56,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:56,208 INFO L229 MonitoredProcess]: Starting monitored process 179 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) [2025-02-06 19:31:56,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Waiting until timeout for monitored process [2025-02-06 19:31:56,209 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 [2025-02-06 19:31:56,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:56,219 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2025-02-06 19:31:56,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:56,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:56,220 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2025-02-06 19:31:56,220 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:56,224 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:56,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Ended with exit code 0 [2025-02-06 19:31:56,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:56,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:56,232 INFO L229 MonitoredProcess]: Starting monitored process 180 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) [2025-02-06 19:31:56,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Waiting until timeout for monitored process [2025-02-06 19:31:56,234 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 [2025-02-06 19:31:56,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:56,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:56,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:56,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:56,245 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:56,245 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:56,247 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:56,253 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Ended with exit code 0 [2025-02-06 19:31:56,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:56,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:56,255 INFO L229 MonitoredProcess]: Starting monitored process 181 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) [2025-02-06 19:31:56,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Waiting until timeout for monitored process [2025-02-06 19:31:56,256 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 [2025-02-06 19:31:56,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:56,266 INFO L203 nArgumentSynthesizer]: 36 stem disjuncts [2025-02-06 19:31:56,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:56,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:56,297 INFO L401 nArgumentSynthesizer]: We have 76 Motzkin's Theorem applications. [2025-02-06 19:31:56,297 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:56,340 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:56,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Ended with exit code 0 [2025-02-06 19:31:56,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:56,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:56,349 INFO L229 MonitoredProcess]: Starting monitored process 182 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) [2025-02-06 19:31:56,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Waiting until timeout for monitored process [2025-02-06 19:31:56,351 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 [2025-02-06 19:31:56,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:56,361 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2025-02-06 19:31:56,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:56,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:56,363 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2025-02-06 19:31:56,363 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:56,366 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:56,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Forceful destruction successful, exit code 0 [2025-02-06 19:31:56,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:56,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:56,375 INFO L229 MonitoredProcess]: Starting monitored process 183 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) [2025-02-06 19:31:56,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Waiting until timeout for monitored process [2025-02-06 19:31:56,376 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 [2025-02-06 19:31:56,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:56,386 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2025-02-06 19:31:56,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:56,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:56,387 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2025-02-06 19:31:56,387 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:56,391 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:31:56,397 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Ended with exit code 0 [2025-02-06 19:31:56,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:56,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:56,399 INFO L229 MonitoredProcess]: Starting monitored process 184 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) [2025-02-06 19:31:56,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Waiting until timeout for monitored process [2025-02-06 19:31:56,400 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 [2025-02-06 19:31:56,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:31:56,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:31:56,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:31:56,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:31:56,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:31:56,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:31:56,418 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:31:56,427 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2025-02-06 19:31:56,427 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2025-02-06 19:31:56,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:31:56,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:31:56,429 INFO L229 MonitoredProcess]: Starting monitored process 185 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) [2025-02-06 19:31:56,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Waiting until timeout for monitored process [2025-02-06 19:31:56,430 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:31:56,440 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-06 19:31:56,440 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:31:56,440 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = -2*ULTIMATE.start_main_~j~0#1 + 7 Supporting invariants [] [2025-02-06 19:31:56,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Ended with exit code 0 [2025-02-06 19:31:56,491 INFO L156 tatePredicateManager]: 18 out of 19 supporting invariants were superfluous and have been removed [2025-02-06 19:31:56,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:56,522 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 19:31:56,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 19:31:56,549 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:56,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:56,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-02-06 19:31:56,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:56,625 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:56,627 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:56,627 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:56,627 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:56,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 19:31:56,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:56,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:31:56,638 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2025-02-06 19:31:56,638 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 56 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:31:56,702 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 56 transitions. cyclomatic complexity: 12. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 73 states and 89 transitions. Complement of second has 11 states. [2025-02-06 19:31:56,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 6 stem states 1 non-accepting loop states 2 accepting loop states [2025-02-06 19:31:56,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:31:56,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 36 transitions. [2025-02-06 19:31:56,703 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 36 transitions. Stem has 42 letters. Loop has 2 letters. [2025-02-06 19:31:56,703 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:31:56,703 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-02-06 19:31:56,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:56,726 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 19:31:56,751 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 19:31:56,752 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:56,752 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:56,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-02-06 19:31:56,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:56,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Ended with exit code 0 [2025-02-06 19:31:56,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:56,845 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:56,845 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:56,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:56,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 19:31:56,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:56,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:31:56,857 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.6 stem predicates 2 loop predicates [2025-02-06 19:31:56,857 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 56 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:31:56,916 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 56 transitions. cyclomatic complexity: 12. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 73 states and 89 transitions. Complement of second has 11 states. [2025-02-06 19:31:56,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 6 stem states 1 non-accepting loop states 2 accepting loop states [2025-02-06 19:31:56,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:31:56,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 36 transitions. [2025-02-06 19:31:56,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 36 transitions. Stem has 42 letters. Loop has 2 letters. [2025-02-06 19:31:56,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:31:56,917 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-02-06 19:31:56,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:56,943 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 19:31:56,967 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 19:31:56,968 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:56,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:56,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-02-06 19:31:56,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:57,044 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:57,046 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:57,046 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:57,046 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:31:57,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 19:31:57,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:31:57,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:31:57,057 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2025-02-06 19:31:57,057 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 56 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:31:57,120 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 56 transitions. cyclomatic complexity: 12. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 79 states and 98 transitions. Complement of second has 10 states. [2025-02-06 19:31:57,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 6 stem states 1 non-accepting loop states 2 accepting loop states [2025-02-06 19:31:57,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:31:57,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 38 transitions. [2025-02-06 19:31:57,121 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 38 transitions. Stem has 42 letters. Loop has 2 letters. [2025-02-06 19:31:57,121 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:31:57,121 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 38 transitions. Stem has 44 letters. Loop has 2 letters. [2025-02-06 19:31:57,121 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:31:57,121 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 38 transitions. Stem has 42 letters. Loop has 4 letters. [2025-02-06 19:31:57,121 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:31:57,121 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 79 states and 98 transitions. [2025-02-06 19:31:57,122 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2025-02-06 19:31:57,122 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 79 states to 75 states and 92 transitions. [2025-02-06 19:31:57,122 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2025-02-06 19:31:57,123 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2025-02-06 19:31:57,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 75 states and 92 transitions. [2025-02-06 19:31:57,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:31:57,123 INFO L218 hiAutomatonCegarLoop]: Abstraction has 75 states and 92 transitions. [2025-02-06 19:31:57,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states and 92 transitions. [2025-02-06 19:31:57,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 59. [2025-02-06 19:31:57,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 59 states have (on average 1.1864406779661016) internal successors, (70), 58 states have internal predecessors, (70), 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) [2025-02-06 19:31:57,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 70 transitions. [2025-02-06 19:31:57,124 INFO L240 hiAutomatonCegarLoop]: Abstraction has 59 states and 70 transitions. [2025-02-06 19:31:57,124 INFO L432 stractBuchiCegarLoop]: Abstraction has 59 states and 70 transitions. [2025-02-06 19:31:57,124 INFO L338 stractBuchiCegarLoop]: ======== Iteration 21 ============ [2025-02-06 19:31:57,124 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 70 transitions. [2025-02-06 19:31:57,124 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2025-02-06 19:31:57,124 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:31:57,124 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:31:57,125 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:31:57,125 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 19:31:57,125 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1;" "assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" [2025-02-06 19:31:57,125 INFO L754 eck$LassoCheckResult]: Loop: "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" [2025-02-06 19:31:57,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:57,125 INFO L85 PathProgramCache]: Analyzing trace with hash -54651491, now seen corresponding path program 10 times [2025-02-06 19:31:57,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:57,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36794180] [2025-02-06 19:31:57,126 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 19:31:57,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:57,133 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 41 statements into 2 equivalence classes. [2025-02-06 19:31:57,148 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 19:31:57,148 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 19:31:57,148 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:57,148 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:57,151 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 19:31:57,162 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 19:31:57,162 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:57,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:57,166 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:57,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:57,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1378, now seen corresponding path program 3 times [2025-02-06 19:31:57,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:57,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497884712] [2025-02-06 19:31:57,166 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:31:57,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:57,169 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:57,169 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:57,169 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-06 19:31:57,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:57,169 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:57,170 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:31:57,170 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:31:57,170 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:57,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:57,172 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:31:57,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:31:57,172 INFO L85 PathProgramCache]: Analyzing trace with hash -980474882, now seen corresponding path program 11 times [2025-02-06 19:31:57,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:31:57,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98853922] [2025-02-06 19:31:57,172 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 19:31:57,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:31:57,180 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 43 statements into 5 equivalence classes. [2025-02-06 19:31:57,189 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 19:31:57,189 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2025-02-06 19:31:57,189 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:57,189 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:31:57,191 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 19:31:57,202 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 19:31:57,202 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:31:57,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:31:57,206 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:32:02,180 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:32:02,180 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:32:02,180 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:32:02,180 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:32:02,180 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:32:02,180 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:02,180 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:32:02,180 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:32:02,180 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration21_Lasso [2025-02-06 19:32:02,181 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:32:02,181 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:32:02,182 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:02,183 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:02,184 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:02,185 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:02,186 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:02,188 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:02,189 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:02,190 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:02,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:02,192 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:02,193 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:02,194 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:02,195 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:02,203 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:02,608 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:03,086 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:32:03,087 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:32:03,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:03,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:03,088 INFO L229 MonitoredProcess]: Starting monitored process 186 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) [2025-02-06 19:32:03,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Waiting until timeout for monitored process [2025-02-06 19:32:03,090 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 [2025-02-06 19:32:03,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:03,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:32:03,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:03,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:03,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:03,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:32:03,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:32:03,101 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:03,106 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Ended with exit code 0 [2025-02-06 19:32:03,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:03,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:03,108 INFO L229 MonitoredProcess]: Starting monitored process 187 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) [2025-02-06 19:32:03,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Waiting until timeout for monitored process [2025-02-06 19:32:03,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:32:03,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:03,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:32:03,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:03,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:03,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:03,119 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:32:03,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:32:03,120 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:03,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Ended with exit code 0 [2025-02-06 19:32:03,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:03,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:03,127 INFO L229 MonitoredProcess]: Starting monitored process 188 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) [2025-02-06 19:32:03,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Waiting until timeout for monitored process [2025-02-06 19:32:03,129 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 [2025-02-06 19:32:03,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:03,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:32:03,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:03,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:03,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:03,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:32:03,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:32:03,140 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:03,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Ended with exit code 0 [2025-02-06 19:32:03,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:03,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:03,148 INFO L229 MonitoredProcess]: Starting monitored process 189 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) [2025-02-06 19:32:03,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Waiting until timeout for monitored process [2025-02-06 19:32:03,149 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 [2025-02-06 19:32:03,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:03,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:32:03,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:03,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:03,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:03,160 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:32:03,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:32:03,160 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:03,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Forceful destruction successful, exit code 0 [2025-02-06 19:32:03,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:03,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:03,168 INFO L229 MonitoredProcess]: Starting monitored process 190 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) [2025-02-06 19:32:03,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Waiting until timeout for monitored process [2025-02-06 19:32:03,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:32:03,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:03,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:32:03,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:03,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:03,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:03,181 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:32:03,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:32:03,181 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:03,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Ended with exit code 0 [2025-02-06 19:32:03,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:03,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:03,189 INFO L229 MonitoredProcess]: Starting monitored process 191 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) [2025-02-06 19:32:03,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Waiting until timeout for monitored process [2025-02-06 19:32:03,191 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 [2025-02-06 19:32:03,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:03,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:32:03,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:03,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:03,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:03,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:32:03,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:32:03,201 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:03,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Forceful destruction successful, exit code 0 [2025-02-06 19:32:03,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:03,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:03,208 INFO L229 MonitoredProcess]: Starting monitored process 192 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) [2025-02-06 19:32:03,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Waiting until timeout for monitored process [2025-02-06 19:32:03,211 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 [2025-02-06 19:32:03,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:03,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:32:03,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:03,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:03,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:03,222 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:32:03,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:32:03,223 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:03,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Ended with exit code 0 [2025-02-06 19:32:03,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:03,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:03,230 INFO L229 MonitoredProcess]: Starting monitored process 193 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) [2025-02-06 19:32:03,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Waiting until timeout for monitored process [2025-02-06 19:32:03,231 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 [2025-02-06 19:32:03,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:03,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:32:03,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:03,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:03,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:03,241 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:32:03,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:32:03,242 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:03,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Forceful destruction successful, exit code 0 [2025-02-06 19:32:03,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:03,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:03,249 INFO L229 MonitoredProcess]: Starting monitored process 194 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) [2025-02-06 19:32:03,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Waiting until timeout for monitored process [2025-02-06 19:32:03,250 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 [2025-02-06 19:32:03,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:03,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:32:03,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:03,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:03,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:03,260 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:32:03,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:32:03,260 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:03,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Ended with exit code 0 [2025-02-06 19:32:03,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:03,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:03,268 INFO L229 MonitoredProcess]: Starting monitored process 195 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) [2025-02-06 19:32:03,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Waiting until timeout for monitored process [2025-02-06 19:32:03,269 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 [2025-02-06 19:32:03,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:03,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:32:03,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:03,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:03,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:03,279 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:32:03,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:32:03,280 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:03,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Ended with exit code 0 [2025-02-06 19:32:03,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:03,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:03,287 INFO L229 MonitoredProcess]: Starting monitored process 196 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) [2025-02-06 19:32:03,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Waiting until timeout for monitored process [2025-02-06 19:32:03,288 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 [2025-02-06 19:32:03,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:03,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:32:03,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:03,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:03,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:03,298 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:32:03,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:32:03,299 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:03,304 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Ended with exit code 0 [2025-02-06 19:32:03,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:03,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:03,306 INFO L229 MonitoredProcess]: Starting monitored process 197 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) [2025-02-06 19:32:03,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Waiting until timeout for monitored process [2025-02-06 19:32:03,308 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 [2025-02-06 19:32:03,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:03,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:32:03,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:03,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:03,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:03,317 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:32:03,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:32:03,318 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:03,324 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Ended with exit code 0 [2025-02-06 19:32:03,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:03,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:03,325 INFO L229 MonitoredProcess]: Starting monitored process 198 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) [2025-02-06 19:32:03,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Waiting until timeout for monitored process [2025-02-06 19:32:03,327 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 [2025-02-06 19:32:03,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:03,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:03,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:03,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:03,337 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:32:03,337 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:32:03,339 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:03,344 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Ended with exit code 0 [2025-02-06 19:32:03,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:03,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:03,346 INFO L229 MonitoredProcess]: Starting monitored process 199 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) [2025-02-06 19:32:03,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Waiting until timeout for monitored process [2025-02-06 19:32:03,347 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 [2025-02-06 19:32:03,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:03,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:03,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:03,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:03,358 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:32:03,358 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:32:03,360 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:03,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Forceful destruction successful, exit code 0 [2025-02-06 19:32:03,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:03,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:03,367 INFO L229 MonitoredProcess]: Starting monitored process 200 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) [2025-02-06 19:32:03,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Waiting until timeout for monitored process [2025-02-06 19:32:03,368 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 [2025-02-06 19:32:03,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:03,378 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2025-02-06 19:32:03,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:03,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:03,378 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2025-02-06 19:32:03,378 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:32:03,381 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:03,386 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Forceful destruction successful, exit code 0 [2025-02-06 19:32:03,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:03,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:03,388 INFO L229 MonitoredProcess]: Starting monitored process 201 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) [2025-02-06 19:32:03,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Waiting until timeout for monitored process [2025-02-06 19:32:03,390 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 [2025-02-06 19:32:03,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:03,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:03,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:03,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:03,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:32:03,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:32:03,404 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:03,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Forceful destruction successful, exit code 0 [2025-02-06 19:32:03,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:03,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:03,412 INFO L229 MonitoredProcess]: Starting monitored process 202 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) [2025-02-06 19:32:03,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Waiting until timeout for monitored process [2025-02-06 19:32:03,413 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 [2025-02-06 19:32:03,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:03,422 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2025-02-06 19:32:03,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:03,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:03,423 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2025-02-06 19:32:03,423 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:32:03,425 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:03,430 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Ended with exit code 0 [2025-02-06 19:32:03,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:03,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:03,433 INFO L229 MonitoredProcess]: Starting monitored process 203 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) [2025-02-06 19:32:03,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Waiting until timeout for monitored process [2025-02-06 19:32:03,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:32:03,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:03,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:03,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:03,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:03,445 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:32:03,445 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:32:03,449 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:03,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Forceful destruction successful, exit code 0 [2025-02-06 19:32:03,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:03,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:03,457 INFO L229 MonitoredProcess]: Starting monitored process 204 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) [2025-02-06 19:32:03,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Waiting until timeout for monitored process [2025-02-06 19:32:03,460 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 [2025-02-06 19:32:03,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:03,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:03,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:03,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:03,470 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:32:03,470 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:32:03,473 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:03,479 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Ended with exit code 0 [2025-02-06 19:32:03,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:03,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:03,481 INFO L229 MonitoredProcess]: Starting monitored process 205 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) [2025-02-06 19:32:03,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Waiting until timeout for monitored process [2025-02-06 19:32:03,483 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 [2025-02-06 19:32:03,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:03,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:03,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:03,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:03,495 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:32:03,495 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:32:03,498 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:03,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Ended with exit code 0 [2025-02-06 19:32:03,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:03,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:03,506 INFO L229 MonitoredProcess]: Starting monitored process 206 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) [2025-02-06 19:32:03,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Waiting until timeout for monitored process [2025-02-06 19:32:03,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:32:03,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:03,517 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2025-02-06 19:32:03,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:03,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:03,518 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2025-02-06 19:32:03,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:32:03,520 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:03,525 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Ended with exit code 0 [2025-02-06 19:32:03,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:03,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:03,528 INFO L229 MonitoredProcess]: Starting monitored process 207 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) [2025-02-06 19:32:03,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Waiting until timeout for monitored process [2025-02-06 19:32:03,529 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 [2025-02-06 19:32:03,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:03,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:03,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:03,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:03,544 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:32:03,544 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:32:03,552 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:32:03,565 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2025-02-06 19:32:03,565 INFO L444 ModelExtractionUtils]: 0 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero. [2025-02-06 19:32:03,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:03,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:03,567 INFO L229 MonitoredProcess]: Starting monitored process 208 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) [2025-02-06 19:32:03,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Waiting until timeout for monitored process [2025-02-06 19:32:03,568 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:32:03,580 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-06 19:32:03,580 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:32:03,580 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 5 Supporting invariants [-1*ULTIMATE.start_main_~j~0#1 >= 0] [2025-02-06 19:32:03,587 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Ended with exit code 0 [2025-02-06 19:32:03,624 INFO L156 tatePredicateManager]: 16 out of 18 supporting invariants were superfluous and have been removed [2025-02-06 19:32:03,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:32:03,652 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 19:32:03,675 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 19:32:03,675 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:32:03,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:32:03,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-06 19:32:03,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:32:03,794 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:32:03,796 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:32:03,796 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:32:03,796 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:32:03,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 19:32:03,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:32:03,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:32:03,808 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2025-02-06 19:32:03,808 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 59 states and 70 transitions. cyclomatic complexity: 17 Second operand has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:32:03,874 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 59 states and 70 transitions. cyclomatic complexity: 17. Second operand has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 103 states and 126 transitions. Complement of second has 12 states. [2025-02-06 19:32:03,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 7 stem states 1 non-accepting loop states 2 accepting loop states [2025-02-06 19:32:03,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:32:03,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 36 transitions. [2025-02-06 19:32:03,874 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 36 transitions. Stem has 41 letters. Loop has 2 letters. [2025-02-06 19:32:03,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:32:03,874 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 36 transitions. Stem has 43 letters. Loop has 2 letters. [2025-02-06 19:32:03,875 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:32:03,875 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 36 transitions. Stem has 41 letters. Loop has 4 letters. [2025-02-06 19:32:03,875 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:32:03,875 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 103 states and 126 transitions. [2025-02-06 19:32:03,875 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2025-02-06 19:32:03,876 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 103 states to 99 states and 121 transitions. [2025-02-06 19:32:03,876 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 46 [2025-02-06 19:32:03,876 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 47 [2025-02-06 19:32:03,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 99 states and 121 transitions. [2025-02-06 19:32:03,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:32:03,876 INFO L218 hiAutomatonCegarLoop]: Abstraction has 99 states and 121 transitions. [2025-02-06 19:32:03,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states and 121 transitions. [2025-02-06 19:32:03,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 88. [2025-02-06 19:32:03,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 88 states have (on average 1.2159090909090908) internal successors, (107), 87 states have internal predecessors, (107), 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) [2025-02-06 19:32:03,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 107 transitions. [2025-02-06 19:32:03,878 INFO L240 hiAutomatonCegarLoop]: Abstraction has 88 states and 107 transitions. [2025-02-06 19:32:03,878 INFO L432 stractBuchiCegarLoop]: Abstraction has 88 states and 107 transitions. [2025-02-06 19:32:03,878 INFO L338 stractBuchiCegarLoop]: ======== Iteration 22 ============ [2025-02-06 19:32:03,878 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 88 states and 107 transitions. [2025-02-06 19:32:03,878 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2025-02-06 19:32:03,878 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:32:03,878 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:32:03,879 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:32:03,879 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 19:32:03,879 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1;" "assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" [2025-02-06 19:32:03,879 INFO L754 eck$LassoCheckResult]: Loop: "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" [2025-02-06 19:32:03,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:32:03,879 INFO L85 PathProgramCache]: Analyzing trace with hash -54651522, now seen corresponding path program 3 times [2025-02-06 19:32:03,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:32:03,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699875608] [2025-02-06 19:32:03,880 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:32:03,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:32:03,888 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 41 statements into 5 equivalence classes. [2025-02-06 19:32:03,903 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 19:32:03,903 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-02-06 19:32:03,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:32:03,903 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:32:03,905 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 19:32:03,913 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 19:32:03,914 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:32:03,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:32:03,917 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:32:03,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:32:03,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1378, now seen corresponding path program 4 times [2025-02-06 19:32:03,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:32:03,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366421691] [2025-02-06 19:32:03,918 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 19:32:03,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:32:03,925 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 2 statements into 2 equivalence classes. [2025-02-06 19:32:03,925 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:32:03,926 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 19:32:03,926 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:32:03,926 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:32:03,926 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:32:03,926 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:32:03,926 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:32:03,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:32:03,928 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:32:03,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:32:03,929 INFO L85 PathProgramCache]: Analyzing trace with hash -980504673, now seen corresponding path program 7 times [2025-02-06 19:32:03,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:32:03,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974082364] [2025-02-06 19:32:03,929 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-06 19:32:03,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:32:03,936 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 19:32:03,948 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 19:32:03,949 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:32:03,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:32:03,949 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:32:03,951 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 19:32:03,961 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 19:32:03,961 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:32:03,961 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:32:03,967 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:32:04,090 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Ended with exit code 0 [2025-02-06 19:32:13,442 WARN L286 SmtUtils]: Spent 9.40s on a formula simplification. DAG size of input: 402 DAG size of output: 296 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2025-02-06 19:32:14,187 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:32:14,187 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:32:14,187 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:32:14,187 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:32:14,187 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:32:14,187 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:14,187 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:32:14,187 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:32:14,187 INFO L132 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration22_Lasso [2025-02-06 19:32:14,187 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:32:14,187 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:32:14,189 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:14,190 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:14,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:14,193 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:14,194 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:14,195 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:14,196 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:14,198 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:14,753 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:14,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:14,755 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:14,756 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:14,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:14,764 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:14,768 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:32:15,169 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:32:15,169 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:32:15,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:15,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:15,171 INFO L229 MonitoredProcess]: Starting monitored process 209 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) [2025-02-06 19:32:15,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Waiting until timeout for monitored process [2025-02-06 19:32:15,176 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 [2025-02-06 19:32:15,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:15,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:32:15,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:15,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:15,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:15,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:32:15,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:32:15,187 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:15,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Ended with exit code 0 [2025-02-06 19:32:15,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:15,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:15,194 INFO L229 MonitoredProcess]: Starting monitored process 210 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) [2025-02-06 19:32:15,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Waiting until timeout for monitored process [2025-02-06 19:32:15,196 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 [2025-02-06 19:32:15,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:15,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:32:15,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:15,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:15,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:15,205 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:32:15,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:32:15,206 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:15,211 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Ended with exit code 0 [2025-02-06 19:32:15,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:15,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:15,213 INFO L229 MonitoredProcess]: Starting monitored process 211 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) [2025-02-06 19:32:15,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Waiting until timeout for monitored process [2025-02-06 19:32:15,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:32:15,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:15,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:32:15,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:15,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:15,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:15,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:32:15,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:32:15,225 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:15,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Forceful destruction successful, exit code 0 [2025-02-06 19:32:15,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:15,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:15,233 INFO L229 MonitoredProcess]: Starting monitored process 212 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) [2025-02-06 19:32:15,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Waiting until timeout for monitored process [2025-02-06 19:32:15,235 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 [2025-02-06 19:32:15,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:15,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:32:15,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:15,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:15,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:15,245 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:32:15,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:32:15,246 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:15,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Forceful destruction successful, exit code 0 [2025-02-06 19:32:15,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:15,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:15,253 INFO L229 MonitoredProcess]: Starting monitored process 213 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) [2025-02-06 19:32:15,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Waiting until timeout for monitored process [2025-02-06 19:32:15,254 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 [2025-02-06 19:32:15,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:15,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:32:15,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:15,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:15,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:15,265 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:32:15,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:32:15,266 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:15,271 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Ended with exit code 0 [2025-02-06 19:32:15,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:15,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:15,273 INFO L229 MonitoredProcess]: Starting monitored process 214 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) [2025-02-06 19:32:15,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Waiting until timeout for monitored process [2025-02-06 19:32:15,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:32:15,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:15,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:32:15,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:15,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:15,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:15,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:32:15,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:32:15,285 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:15,290 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Ended with exit code 0 [2025-02-06 19:32:15,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:15,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:15,292 INFO L229 MonitoredProcess]: Starting monitored process 215 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) [2025-02-06 19:32:15,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Waiting until timeout for monitored process [2025-02-06 19:32:15,293 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 [2025-02-06 19:32:15,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:15,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:32:15,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:15,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:15,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:15,303 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:32:15,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:32:15,304 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:15,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Ended with exit code 0 [2025-02-06 19:32:15,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:15,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:15,311 INFO L229 MonitoredProcess]: Starting monitored process 216 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) [2025-02-06 19:32:15,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Waiting until timeout for monitored process [2025-02-06 19:32:15,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:32:15,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:15,322 INFO L203 nArgumentSynthesizer]: 8 stem disjuncts [2025-02-06 19:32:15,322 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2025-02-06 19:32:15,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:15,350 INFO L401 nArgumentSynthesizer]: We have 44 Motzkin's Theorem applications. [2025-02-06 19:32:15,350 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2025-02-06 19:32:15,386 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:15,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Ended with exit code 0 [2025-02-06 19:32:15,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:15,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:15,394 INFO L229 MonitoredProcess]: Starting monitored process 217 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) [2025-02-06 19:32:15,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Waiting until timeout for monitored process [2025-02-06 19:32:15,397 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 [2025-02-06 19:32:15,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:15,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:15,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:15,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:15,407 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:32:15,407 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:32:15,410 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:15,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Forceful destruction successful, exit code 0 [2025-02-06 19:32:15,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:15,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:15,418 INFO L229 MonitoredProcess]: Starting monitored process 218 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) [2025-02-06 19:32:15,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Waiting until timeout for monitored process [2025-02-06 19:32:15,421 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 [2025-02-06 19:32:15,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:15,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:15,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:15,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:15,433 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:32:15,433 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:32:15,439 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:15,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Forceful destruction successful, exit code 0 [2025-02-06 19:32:15,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:15,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:15,449 INFO L229 MonitoredProcess]: Starting monitored process 219 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) [2025-02-06 19:32:15,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Waiting until timeout for monitored process [2025-02-06 19:32:15,451 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 [2025-02-06 19:32:15,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:15,462 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2025-02-06 19:32:15,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:15,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:15,463 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2025-02-06 19:32:15,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:32:15,465 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:15,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Forceful destruction successful, exit code 0 [2025-02-06 19:32:15,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:15,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:15,473 INFO L229 MonitoredProcess]: Starting monitored process 220 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) [2025-02-06 19:32:15,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Waiting until timeout for monitored process [2025-02-06 19:32:15,475 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 [2025-02-06 19:32:15,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:15,485 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2025-02-06 19:32:15,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:15,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:15,486 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2025-02-06 19:32:15,486 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:32:15,488 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:15,494 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Ended with exit code 0 [2025-02-06 19:32:15,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:15,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:15,497 INFO L229 MonitoredProcess]: Starting monitored process 221 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) [2025-02-06 19:32:15,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Waiting until timeout for monitored process [2025-02-06 19:32:15,498 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 [2025-02-06 19:32:15,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:15,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:15,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:15,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:15,510 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:32:15,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:32:15,513 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:15,519 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Ended with exit code 0 [2025-02-06 19:32:15,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:15,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:15,521 INFO L229 MonitoredProcess]: Starting monitored process 222 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) [2025-02-06 19:32:15,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Waiting until timeout for monitored process [2025-02-06 19:32:15,524 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 [2025-02-06 19:32:15,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:15,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:15,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:15,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:15,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:32:15,535 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:32:15,538 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:32:15,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Forceful destruction successful, exit code 0 [2025-02-06 19:32:15,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:15,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:15,547 INFO L229 MonitoredProcess]: Starting monitored process 223 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) [2025-02-06 19:32:15,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Waiting until timeout for monitored process [2025-02-06 19:32:15,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:32:15,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:32:15,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:32:15,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:32:15,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:32:15,563 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-06 19:32:15,563 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-06 19:32:15,570 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:32:15,591 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2025-02-06 19:32:15,591 INFO L444 ModelExtractionUtils]: 0 out of 19 variables were initially zero. Simplification set additionally 15 variables to zero. [2025-02-06 19:32:15,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:32:15,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:15,593 INFO L229 MonitoredProcess]: Starting monitored process 224 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) [2025-02-06 19:32:15,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Waiting until timeout for monitored process [2025-02-06 19:32:15,595 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:32:15,606 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-02-06 19:32:15,606 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:32:15,606 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~j~0#1, v_rep(select #length ULTIMATE.start_main_~#string_A~0#1.base)_11) = -2*ULTIMATE.start_main_~i~0#1 + 2*ULTIMATE.start_main_~j~0#1 + 5*v_rep(select #length ULTIMATE.start_main_~#string_A~0#1.base)_11 Supporting invariants [] [2025-02-06 19:32:15,613 ERROR L418 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Exception during sending of exit command (exit): Broken pipe [2025-02-06 19:32:15,613 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Ended with exit code 0 [2025-02-06 19:32:15,656 INFO L156 tatePredicateManager]: 20 out of 21 supporting invariants were superfluous and have been removed [2025-02-06 19:32:15,658 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2025-02-06 19:32:15,658 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2025-02-06 19:32:15,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:32:15,681 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 19:32:15,702 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 19:32:15,703 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:32:15,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:32:15,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-02-06 19:32:15,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:32:15,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Forceful destruction successful, exit code 0 [2025-02-06 19:32:15,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:32:15,799 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:32:15,799 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:32:15,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:32:15,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 19:32:15,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:32:15,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:32:15,817 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2025-02-06 19:32:15,817 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 88 states and 107 transitions. cyclomatic complexity: 28 Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:32:15,900 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 88 states and 107 transitions. cyclomatic complexity: 28. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 139 states and 180 transitions. Complement of second has 13 states. [2025-02-06 19:32:15,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2025-02-06 19:32:15,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:32:15,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 40 transitions. [2025-02-06 19:32:15,901 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 40 transitions. Stem has 41 letters. Loop has 2 letters. [2025-02-06 19:32:15,901 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:32:15,901 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 40 transitions. Stem has 43 letters. Loop has 2 letters. [2025-02-06 19:32:15,901 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:32:15,901 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 40 transitions. Stem has 41 letters. Loop has 4 letters. [2025-02-06 19:32:15,901 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:32:15,902 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 139 states and 180 transitions. [2025-02-06 19:32:15,902 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2025-02-06 19:32:15,903 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 139 states to 104 states and 129 transitions. [2025-02-06 19:32:15,903 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2025-02-06 19:32:15,903 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2025-02-06 19:32:15,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 104 states and 129 transitions. [2025-02-06 19:32:15,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:32:15,903 INFO L218 hiAutomatonCegarLoop]: Abstraction has 104 states and 129 transitions. [2025-02-06 19:32:15,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states and 129 transitions. [2025-02-06 19:32:15,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 89. [2025-02-06 19:32:15,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 89 states have (on average 1.2134831460674158) internal successors, (108), 88 states have internal predecessors, (108), 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) [2025-02-06 19:32:15,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 108 transitions. [2025-02-06 19:32:15,905 INFO L240 hiAutomatonCegarLoop]: Abstraction has 89 states and 108 transitions. [2025-02-06 19:32:15,905 INFO L432 stractBuchiCegarLoop]: Abstraction has 89 states and 108 transitions. [2025-02-06 19:32:15,905 INFO L338 stractBuchiCegarLoop]: ======== Iteration 23 ============ [2025-02-06 19:32:15,905 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 89 states and 108 transitions. [2025-02-06 19:32:15,906 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2025-02-06 19:32:15,906 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:32:15,906 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:32:15,906 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:32:15,906 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 19:32:15,906 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1;" "assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" [2025-02-06 19:32:15,909 INFO L754 eck$LassoCheckResult]: Loop: "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" [2025-02-06 19:32:15,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:32:15,910 INFO L85 PathProgramCache]: Analyzing trace with hash -792732481, now seen corresponding path program 4 times [2025-02-06 19:32:15,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:32:15,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382108579] [2025-02-06 19:32:15,910 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 19:32:15,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:32:15,917 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 43 statements into 2 equivalence classes. [2025-02-06 19:32:15,922 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 42 of 43 statements. [2025-02-06 19:32:15,922 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-02-06 19:32:15,922 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:32:16,083 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-02-06 19:32:16,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:32:16,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382108579] [2025-02-06 19:32:16,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382108579] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 19:32:16,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658361074] [2025-02-06 19:32:16,083 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 19:32:16,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 19:32:16,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:16,086 INFO L229 MonitoredProcess]: Starting monitored process 225 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 19:32:16,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (225)] Waiting until timeout for monitored process [2025-02-06 19:32:16,193 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 43 statements into 2 equivalence classes. [2025-02-06 19:32:16,219 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 42 of 43 statements. [2025-02-06 19:32:16,220 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-02-06 19:32:16,220 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:32:16,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-06 19:32:16,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:32:16,304 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 30 proven. 20 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-02-06 19:32:16,304 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 19:32:16,379 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 30 proven. 20 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-02-06 19:32:16,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658361074] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 19:32:16,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 19:32:16,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 20 [2025-02-06 19:32:16,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366379539] [2025-02-06 19:32:16,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 19:32:16,380 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 19:32:16,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:32:16,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1378, now seen corresponding path program 5 times [2025-02-06 19:32:16,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:32:16,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850146863] [2025-02-06 19:32:16,380 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 19:32:16,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:32:16,382 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:32:16,384 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:32:16,384 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:32:16,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:32:16,384 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:32:16,385 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:32:16,385 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:32:16,385 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:32:16,386 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:32:16,387 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:32:16,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:32:16,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-02-06 19:32:16,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=246, Unknown=0, NotChecked=0, Total=380 [2025-02-06 19:32:16,452 INFO L87 Difference]: Start difference. First operand 89 states and 108 transitions. cyclomatic complexity: 30 Second operand has 20 states, 20 states have (on average 2.6) internal successors, (52), 20 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:32:16,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:32:16,545 INFO L93 Difference]: Finished difference Result 85 states and 100 transitions. [2025-02-06 19:32:16,546 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 85 states and 100 transitions. [2025-02-06 19:32:16,546 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2025-02-06 19:32:16,547 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 85 states to 83 states and 98 transitions. [2025-02-06 19:32:16,547 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2025-02-06 19:32:16,547 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2025-02-06 19:32:16,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 83 states and 98 transitions. [2025-02-06 19:32:16,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:32:16,547 INFO L218 hiAutomatonCegarLoop]: Abstraction has 83 states and 98 transitions. [2025-02-06 19:32:16,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states and 98 transitions. [2025-02-06 19:32:16,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2025-02-06 19:32:16,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 81 states have (on average 1.1851851851851851) internal successors, (96), 80 states have internal predecessors, (96), 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) [2025-02-06 19:32:16,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 96 transitions. [2025-02-06 19:32:16,549 INFO L240 hiAutomatonCegarLoop]: Abstraction has 81 states and 96 transitions. [2025-02-06 19:32:16,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-06 19:32:16,549 INFO L432 stractBuchiCegarLoop]: Abstraction has 81 states and 96 transitions. [2025-02-06 19:32:16,550 INFO L338 stractBuchiCegarLoop]: ======== Iteration 24 ============ [2025-02-06 19:32:16,550 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states and 96 transitions. [2025-02-06 19:32:16,550 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2025-02-06 19:32:16,550 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:32:16,550 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:32:16,550 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 5, 5, 5, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:32:16,550 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-06 19:32:16,551 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet1#1;call write~int#2(main_#t~nondet1#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1);" "assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 < 5;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 < 5);call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1);" "assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume 0 != main_#t~mem7#1;havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;" "assume true;call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1);" "assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1;" "main_~nc_B~0#1 := 0;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume 0 != main_#t~mem9#1;havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;" "assume true;call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1);" "assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1;" "assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0;" "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" [2025-02-06 19:32:16,551 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1;call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1);" "assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" [2025-02-06 19:32:16,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:32:16,553 INFO L85 PathProgramCache]: Analyzing trace with hash -2105799569, now seen corresponding path program 8 times [2025-02-06 19:32:16,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:32:16,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219377466] [2025-02-06 19:32:16,554 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:32:16,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:32:16,562 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 46 statements into 2 equivalence classes. [2025-02-06 19:32:16,579 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 19:32:16,579 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 19:32:16,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:32:16,761 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-02-06 19:32:16,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:32:16,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219377466] [2025-02-06 19:32:16,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219377466] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 19:32:16,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728667319] [2025-02-06 19:32:16,762 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:32:16,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 19:32:16,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:32:16,764 INFO L229 MonitoredProcess]: Starting monitored process 226 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 19:32:16,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (226)] Waiting until timeout for monitored process [2025-02-06 19:32:16,875 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 46 statements into 2 equivalence classes. [2025-02-06 19:32:16,906 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 19:32:16,906 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 19:32:16,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:32:16,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-06 19:32:16,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:32:16,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2025-02-06 19:32:17,082 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-02-06 19:32:17,082 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 19:32:17,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728667319] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:32:17,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 19:32:17,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2025-02-06 19:32:17,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298623842] [2025-02-06 19:32:17,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:32:17,082 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 19:32:17,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:32:17,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1407, now seen corresponding path program 12 times [2025-02-06 19:32:17,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:32:17,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760732643] [2025-02-06 19:32:17,082 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-06 19:32:17,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:32:17,085 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:32:17,085 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:32:17,086 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-02-06 19:32:17,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:32:17,086 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:32:17,086 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-06 19:32:17,086 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-06 19:32:17,087 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:32:17,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:32:17,088 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:32:17,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:32:17,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 19:32:17,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2025-02-06 19:32:17,139 INFO L87 Difference]: Start difference. First operand 81 states and 96 transitions. cyclomatic complexity: 25 Second operand has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:32:17,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:32:17,177 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2025-02-06 19:32:17,177 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 53 transitions. [2025-02-06 19:32:17,177 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-06 19:32:17,177 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 0 states and 0 transitions. [2025-02-06 19:32:17,177 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-06 19:32:17,177 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-06 19:32:17,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-06 19:32:17,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:32:17,177 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:32:17,177 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:32:17,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 19:32:17,178 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:32:17,178 INFO L338 stractBuchiCegarLoop]: ======== Iteration 25 ============ [2025-02-06 19:32:17,178 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-06 19:32:17,178 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-06 19:32:17,178 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-06 19:32:17,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 07:32:17 BoogieIcfgContainer [2025-02-06 19:32:17,188 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 19:32:17,188 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 19:32:17,188 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 19:32:17,189 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 19:32:17,189 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:30:57" (3/4) ... [2025-02-06 19:32:17,190 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 19:32:17,191 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 19:32:17,192 INFO L158 Benchmark]: Toolchain (without parser) took 79753.40ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 112.6MB in the beginning and 128.8MB in the end (delta: -16.1MB). Peak memory consumption was 168.4MB. Max. memory is 16.1GB. [2025-02-06 19:32:17,192 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:32:17,192 INFO L158 Benchmark]: CACSL2BoogieTranslator took 174.74ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 101.0MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:32:17,193 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.93ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 99.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:32:17,193 INFO L158 Benchmark]: Boogie Preprocessor took 24.91ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 98.6MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:32:17,194 INFO L158 Benchmark]: IcfgBuilder took 280.29ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 84.1MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:32:17,194 INFO L158 Benchmark]: BuchiAutomizer took 79241.31ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 84.1MB in the beginning and 128.8MB in the end (delta: -44.8MB). Peak memory consumption was 143.2MB. Max. memory is 16.1GB. [2025-02-06 19:32:17,194 INFO L158 Benchmark]: Witness Printer took 3.22ms. Allocated memory is still 327.2MB. Free memory was 128.8MB in the beginning and 128.8MB in the end (delta: 66.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:32:17,195 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 174.74ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 101.0MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.93ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 99.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.91ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 98.6MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 280.29ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 84.1MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 79241.31ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 84.1MB in the beginning and 128.8MB in the end (delta: -44.8MB). Peak memory consumption was 143.2MB. Max. memory is 16.1GB. * Witness Printer took 3.22ms. Allocated memory is still 327.2MB. Free memory was 128.8MB in the beginning and 128.8MB in the end (delta: 66.1kB). 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: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#string_B~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#string_A~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 24 terminating modules (13 trivial, 9 deterministic, 2 nondeterministic). One deterministic module has affine ranking function null and consists of 2 locations. One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 3 locations. One deterministic module has affine ranking function (((long long) -1 * j) + nc_B) and consists of 3 locations. One deterministic module has affine ranking function null and consists of 3 locations. One deterministic module has affine ranking function null and consists of 8 locations. One deterministic module has affine ranking function ((((long long) -2 * i) + ((long long) 2 * j)) + 3) and consists of 9 locations. One deterministic module has affine ranking function (((long long) -2 * i) + 5) and consists of 10 locations. One deterministic module has affine ranking function null and consists of 10 locations. One nondeterministic module has affine ranking function (((long long) -2 * i) + 5) and consists of 8 locations. One nondeterministic module has affine ranking function (((long long) -2 * j) + 7) and consists of 9 locations. 13 modules have a trivial ranking function, the largest among these consists of 20 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 79.1s and 25 iterations. TraceHistogramMax:6. Analysis of lassos took 75.3s. Construction of modules took 0.7s. Büchi inclusion checks took 2.9s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 18. Automata minimization 0.1s AutomataMinimizationTime, 23 MinimizatonAttempts, 110 StatesRemovedByMinimization, 18 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 [9, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 631 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 627 mSDsluCounter, 1306 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 928 mSDsCounter, 183 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1354 IncrementalHoareTripleChecker+Invalid, 1537 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 183 mSolverCounterUnsat, 378 mSDtfsCounter, 1354 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc4 concLT0 SILN0 SILU9 SILI0 SILT0 lasso11 LassoPreprocessingBenchmarks: Lassos: inital342 mio100 ax100 hnf100 lsp94 ukn49 mio100 lsp25 div100 bol100 ite100 ukn100 eq176 hnf92 smp100 dnf801 smp84 tf100 neg100 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 86ms VariablesStem: 6 VariablesLoop: 2 DisjunctsStem: 36 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 76 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! [2025-02-06 19:32:17,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (226)] Forceful destruction successful, exit code 0 [2025-02-06 19:32:17,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (225)] Forceful destruction successful, exit code 0 [2025-02-06 19:32:17,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (162)] Forceful destruction successful, exit code 0 [2025-02-06 19:32:17,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (125)] Forceful destruction successful, exit code 0 [2025-02-06 19:32:18,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (124)] Forceful destruction successful, exit code 0 [2025-02-06 19:32:18,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (98)] Forceful destruction successful, exit code 0 [2025-02-06 19:32:18,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (97)] Forceful destruction successful, exit code 0 [2025-02-06 19:32:18,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Forceful destruction successful, exit code 0 [2025-02-06 19:32:18,823 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-02-06 19:32:19,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-02-06 19:32:19,221 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-02-06 19:32:19,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE