./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursive/Primes.c --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/recursive/Primes.c -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 16beca065b3aeb336c54dcf96f3abbe61553e7d28b28c1a40f525ad89a5da56e --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 19:47:51,732 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 19:47:51,790 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-06 19:47:51,793 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 19:47:51,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 19:47:51,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 19:47:51,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 19:47:51,814 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 19:47:51,814 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 19:47:51,815 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 19:47:51,815 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 19:47:51,816 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 19:47:51,816 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 19:47:51,816 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 19:47:51,816 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 19:47:51,816 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 19:47:51,816 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 19:47:51,817 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 19:47:51,817 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 19:47:51,817 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 19:47:51,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 19:47:51,817 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 19:47:51,817 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 19:47:51,817 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 19:47:51,817 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 19:47:51,817 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 19:47:51,817 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 19:47:51,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 19:47:51,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 19:47:51,817 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 19:47:51,818 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 19:47:51,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 19:47:51,818 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 19:47:51,818 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 19:47:51,818 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 19:47:51,818 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 19:47:51,818 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 19:47:51,818 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 19:47:51,819 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 19:47:51,819 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 19:47:51,819 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 -> 16beca065b3aeb336c54dcf96f3abbe61553e7d28b28c1a40f525ad89a5da56e [2025-02-06 19:47:52,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 19:47:52,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 19:47:52,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 19:47:52,082 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 19:47:52,083 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 19:47:52,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Primes.c [2025-02-06 19:47:53,316 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/937a07ec2/c5a122054bb74dcc8f1f22d4526374f1/FLAG686634362 [2025-02-06 19:47:53,521 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 19:47:53,522 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/recursive/Primes.c [2025-02-06 19:47:53,538 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/937a07ec2/c5a122054bb74dcc8f1f22d4526374f1/FLAG686634362 [2025-02-06 19:47:53,551 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/937a07ec2/c5a122054bb74dcc8f1f22d4526374f1 [2025-02-06 19:47:53,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 19:47:53,553 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 19:47:53,554 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 19:47:53,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 19:47:53,557 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 19:47:53,558 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:47:53" (1/1) ... [2025-02-06 19:47:53,558 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10be8317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:53, skipping insertion in model container [2025-02-06 19:47:53,559 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:47:53" (1/1) ... [2025-02-06 19:47:53,568 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 19:47:53,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:47:53,684 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 19:47:53,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:47:53,704 INFO L204 MainTranslator]: Completed translation [2025-02-06 19:47:53,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:53 WrapperNode [2025-02-06 19:47:53,705 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 19:47:53,706 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 19:47:53,706 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 19:47:53,706 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 19:47:53,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:53" (1/1) ... [2025-02-06 19:47:53,714 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:53" (1/1) ... [2025-02-06 19:47:53,724 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2025-02-06 19:47:53,724 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 19:47:53,725 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 19:47:53,725 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 19:47:53,725 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 19:47:53,730 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:53" (1/1) ... [2025-02-06 19:47:53,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:53" (1/1) ... [2025-02-06 19:47:53,731 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:53" (1/1) ... [2025-02-06 19:47:53,741 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-06 19:47:53,741 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:53" (1/1) ... [2025-02-06 19:47:53,741 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:53" (1/1) ... [2025-02-06 19:47:53,747 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:53" (1/1) ... [2025-02-06 19:47:53,747 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:53" (1/1) ... [2025-02-06 19:47:53,752 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:53" (1/1) ... [2025-02-06 19:47:53,753 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:53" (1/1) ... [2025-02-06 19:47:53,754 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 19:47:53,754 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 19:47:53,754 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 19:47:53,754 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 19:47:53,759 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:53" (1/1) ... [2025-02-06 19:47:53,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:53,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:53,790 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 19:47:53,794 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 19:47:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure multiple_of [2025-02-06 19:47:53,816 INFO L138 BoogieDeclarations]: Found implementation of procedure multiple_of [2025-02-06 19:47:53,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 19:47:53,816 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2025-02-06 19:47:53,816 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2025-02-06 19:47:53,816 INFO L130 BoogieDeclarations]: Found specification of procedure is_prime_ [2025-02-06 19:47:53,816 INFO L138 BoogieDeclarations]: Found implementation of procedure is_prime_ [2025-02-06 19:47:53,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 19:47:53,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 19:47:53,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 19:47:53,871 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 19:47:53,872 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 19:47:53,929 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L33: havoc #t~ret6; [2025-02-06 19:47:53,930 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L44: havoc #t~ret8; [2025-02-06 19:47:53,930 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L36: havoc #t~ret7; [2025-02-06 19:47:53,958 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L27: havoc #t~ret5; [2025-02-06 19:47:53,959 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L19: havoc #t~ret4; [2025-02-06 19:47:54,028 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L53: havoc is_prime_#t~ret9#1; [2025-02-06 19:47:54,040 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L71: havoc #t~ret11; [2025-02-06 19:47:54,061 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2025-02-06 19:47:54,061 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 19:47:54,073 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 19:47:54,073 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 19:47:54,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:47:54 BoogieIcfgContainer [2025-02-06 19:47:54,076 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 19:47:54,077 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 19:47:54,077 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 19:47:54,081 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 19:47:54,081 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:47:54,081 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 07:47:53" (1/3) ... [2025-02-06 19:47:54,082 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@297c7ff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:47:54, skipping insertion in model container [2025-02-06 19:47:54,083 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:47:54,083 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:53" (2/3) ... [2025-02-06 19:47:54,083 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@297c7ff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:47:54, skipping insertion in model container [2025-02-06 19:47:54,084 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:47:54,084 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:47:54" (3/3) ... [2025-02-06 19:47:54,085 INFO L363 chiAutomizerObserver]: Analyzing ICFG Primes.c [2025-02-06 19:47:54,123 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 19:47:54,124 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 19:47:54,124 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 19:47:54,124 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 19:47:54,124 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 19:47:54,124 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 19:47:54,124 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 19:47:54,124 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 19:47:54,127 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 51 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 38 states have internal predecessors, (55), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 19:47:54,143 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2025-02-06 19:47:54,144 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:47:54,144 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:47:54,148 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-02-06 19:47:54,148 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:54,148 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 19:47:54,148 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 51 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 38 states have internal predecessors, (55), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 19:47:54,150 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2025-02-06 19:47:54,150 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:47:54,150 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:47:54,151 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-02-06 19:47:54,151 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:54,154 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(9, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;havoc main_#t~nondet12#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1;" "assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1;" "call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);"< [2025-02-06 19:47:54,155 INFO L754 eck$LassoCheckResult]: Loop: "~n := #in~n;~m := #in~m;" "assume !(~n <= 1);" "assume !(2 == ~n);" "assume ~n > 2;" "assume !(~m <= 1);" "call #t~ret10 := multiple_of(~n, ~m);"< "~n := #in~n;~m := #in~m;" "assume !(~m < 0);" "assume !(~n < 0);" "assume 0 == ~m;#res := 0;" "assume true;" >"#99#return;" "assume !(0 == #t~ret10);havoc #t~ret10;" "call #t~ret11 := is_prime_(~n, ~m - 1);"< [2025-02-06 19:47:54,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:54,158 INFO L85 PathProgramCache]: Analyzing trace with hash 2892704, now seen corresponding path program 1 times [2025-02-06 19:47:54,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:54,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116650063] [2025-02-06 19:47:54,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:54,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:54,204 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 19:47:54,218 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 19:47:54,219 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:54,219 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:54,219 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:54,222 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 19:47:54,230 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 19:47:54,230 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:54,230 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:54,245 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:54,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:54,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1766541863, now seen corresponding path program 1 times [2025-02-06 19:47:54,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:54,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933169713] [2025-02-06 19:47:54,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:54,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:54,252 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-06 19:47:54,262 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-06 19:47:54,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:54,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:47:54,406 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 19:47:54,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:47:54,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933169713] [2025-02-06 19:47:54,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933169713] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:47:54,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:47:54,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 19:47:54,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954291752] [2025-02-06 19:47:54,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:47:54,411 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:47:54,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:47:54,431 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 19:47:54,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 19:47:54,433 INFO L87 Difference]: Start difference. First operand has 51 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 38 states have internal predecessors, (55), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 19:47:54,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:47:54,546 INFO L93 Difference]: Finished difference Result 58 states and 84 transitions. [2025-02-06 19:47:54,547 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 84 transitions. [2025-02-06 19:47:54,550 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2025-02-06 19:47:54,556 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 41 states and 54 transitions. [2025-02-06 19:47:54,557 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2025-02-06 19:47:54,557 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2025-02-06 19:47:54,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 54 transitions. [2025-02-06 19:47:54,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:47:54,559 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 54 transitions. [2025-02-06 19:47:54,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 54 transitions. [2025-02-06 19:47:54,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2025-02-06 19:47:54,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 30 states have internal predecessors, (37), 9 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 19:47:54,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 51 transitions. [2025-02-06 19:47:54,582 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 51 transitions. [2025-02-06 19:47:54,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 19:47:54,586 INFO L432 stractBuchiCegarLoop]: Abstraction has 39 states and 51 transitions. [2025-02-06 19:47:54,587 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 19:47:54,588 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 51 transitions. [2025-02-06 19:47:54,589 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2025-02-06 19:47:54,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:47:54,592 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:47:54,592 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-02-06 19:47:54,593 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:54,593 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;havoc main_#t~nondet12#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1;" "assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1;" "call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);"< [2025-02-06 19:47:54,593 INFO L754 eck$LassoCheckResult]: Loop: "~n := #in~n;~m := #in~m;" "assume !(~n <= 1);" "assume !(2 == ~n);" "assume ~n > 2;" "assume !(~m <= 1);" "call #t~ret10 := multiple_of(~n, ~m);"< "~n := #in~n;~m := #in~m;" "assume !(~m < 0);" "assume !(~n < 0);" "assume !(0 == ~m);" "assume 0 == ~n;#res := 1;" "assume true;" >"#99#return;" "assume !(0 == #t~ret10);havoc #t~ret10;" "call #t~ret11 := is_prime_(~n, ~m - 1);"< [2025-02-06 19:47:54,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:54,593 INFO L85 PathProgramCache]: Analyzing trace with hash 2892704, now seen corresponding path program 2 times [2025-02-06 19:47:54,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:54,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074050755] [2025-02-06 19:47:54,593 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:47:54,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:54,600 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 4 statements into 1 equivalence classes. [2025-02-06 19:47:54,606 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 19:47:54,606 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:47:54,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:54,606 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:54,608 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 19:47:54,614 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 19:47:54,615 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:54,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:54,617 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:54,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:54,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1084166589, now seen corresponding path program 1 times [2025-02-06 19:47:54,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:54,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989665848] [2025-02-06 19:47:54,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:54,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:54,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 19:47:54,629 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 19:47:54,629 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:54,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:47:54,685 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 19:47:54,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:47:54,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989665848] [2025-02-06 19:47:54,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989665848] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:47:54,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:47:54,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 19:47:54,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448839846] [2025-02-06 19:47:54,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:47:54,686 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:47:54,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:47:54,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 19:47:54,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 19:47:54,687 INFO L87 Difference]: Start difference. First operand 39 states and 51 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 19:47:54,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:47:54,769 INFO L93 Difference]: Finished difference Result 45 states and 60 transitions. [2025-02-06 19:47:54,769 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 60 transitions. [2025-02-06 19:47:54,770 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2025-02-06 19:47:54,771 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 60 transitions. [2025-02-06 19:47:54,773 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2025-02-06 19:47:54,773 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2025-02-06 19:47:54,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 60 transitions. [2025-02-06 19:47:54,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:47:54,774 INFO L218 hiAutomatonCegarLoop]: Abstraction has 45 states and 60 transitions. [2025-02-06 19:47:54,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 60 transitions. [2025-02-06 19:47:54,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 41. [2025-02-06 19:47:54,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 32 states have internal predecessors, (38), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2025-02-06 19:47:54,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 54 transitions. [2025-02-06 19:47:54,780 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 54 transitions. [2025-02-06 19:47:54,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 19:47:54,782 INFO L432 stractBuchiCegarLoop]: Abstraction has 41 states and 54 transitions. [2025-02-06 19:47:54,782 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-06 19:47:54,782 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 54 transitions. [2025-02-06 19:47:54,783 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2025-02-06 19:47:54,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:47:54,783 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:47:54,783 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-02-06 19:47:54,783 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:54,784 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(9, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;havoc main_#t~nondet12#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1;" "assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1;" "call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);"< [2025-02-06 19:47:54,784 INFO L754 eck$LassoCheckResult]: Loop: "~n := #in~n;~m := #in~m;" "assume !(~n <= 1);" "assume !(2 == ~n);" "assume ~n > 2;" "assume !(~m <= 1);" "call #t~ret10 := multiple_of(~n, ~m);"< "~n := #in~n;~m := #in~m;" "assume !(~m < 0);" "assume !(~n < 0);" "assume !(0 == ~m);" "assume !(0 == ~n);" "call #t~ret8 := multiple_of(~n - ~m, ~m);"< "~n := #in~n;~m := #in~m;" "assume !(~m < 0);" "assume !(~n < 0);" "assume !(0 == ~m);" "assume 0 == ~n;#res := 1;" "assume true;" >"#83#return;" "#res := #t~ret8;havoc #t~ret8;" "assume true;" >"#99#return;" "assume !(0 == #t~ret10);havoc #t~ret10;" "call #t~ret11 := is_prime_(~n, ~m - 1);"< [2025-02-06 19:47:54,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:54,784 INFO L85 PathProgramCache]: Analyzing trace with hash 2892704, now seen corresponding path program 3 times [2025-02-06 19:47:54,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:54,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945539102] [2025-02-06 19:47:54,785 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:47:54,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:54,789 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 4 statements into 1 equivalence classes. [2025-02-06 19:47:54,793 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 19:47:54,796 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-06 19:47:54,796 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:54,796 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:54,797 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 19:47:54,801 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 19:47:54,801 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:54,802 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:54,803 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:54,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:54,804 INFO L85 PathProgramCache]: Analyzing trace with hash 643323679, now seen corresponding path program 1 times [2025-02-06 19:47:54,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:54,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476618895] [2025-02-06 19:47:54,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:54,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:54,808 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-06 19:47:54,813 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-06 19:47:54,813 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:54,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:54,813 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:54,815 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-06 19:47:54,825 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-06 19:47:54,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:54,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:54,832 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:54,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:54,833 INFO L85 PathProgramCache]: Analyzing trace with hash 386616766, now seen corresponding path program 1 times [2025-02-06 19:47:54,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:54,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329388472] [2025-02-06 19:47:54,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:54,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:54,842 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 19:47:54,855 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 19:47:54,855 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:54,855 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:47:55,063 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 19:47:55,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:47:55,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329388472] [2025-02-06 19:47:55,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329388472] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 19:47:55,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056639611] [2025-02-06 19:47:55,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:55,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 19:47:55,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:55,067 INFO L229 MonitoredProcess]: Starting monitored process 2 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 19:47:55,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 19:47:55,096 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 19:47:55,106 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 19:47:55,107 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:55,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:47:55,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 19:47:55,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:47:55,204 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 19:47:55,204 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 19:47:55,428 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 19:47:55,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056639611] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 19:47:55,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 19:47:55,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 11 [2025-02-06 19:47:55,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853435558] [2025-02-06 19:47:55,431 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 19:47:55,708 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:47:55,709 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:47:55,709 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:47:55,709 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:47:55,709 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-06 19:47:55,709 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:55,709 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:47:55,709 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:47:55,709 INFO L132 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration3_Loop [2025-02-06 19:47:55,709 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:47:55,710 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:47:55,718 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:55,723 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:55,725 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:55,726 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:55,736 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:55,740 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:55,778 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:47:55,778 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-06 19:47:55,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:55,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:55,783 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 19:47:55,785 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 19:47:55,786 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 19:47:55,786 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:47:55,800 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 19:47:55,800 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__~m=0} Honda state: {is_prime__~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-06 19:47:55,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2025-02-06 19:47:55,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:55,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:55,809 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 19:47:55,809 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 19:47:55,810 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 19:47:55,810 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:47:55,821 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 19:47:55,821 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__#t~ret11=0} Honda state: {is_prime__#t~ret11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-06 19:47:55,826 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 19:47:55,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:55,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:55,828 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 19:47:55,830 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 19:47:55,833 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 19:47:55,833 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:47:55,845 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 19:47:55,845 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__~n=0} Honda state: {is_prime__~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-06 19:47:55,851 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-02-06 19:47:55,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:55,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:55,855 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 19:47:55,856 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 19:47:55,856 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 19:47:55,857 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:47:55,884 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-02-06 19:47:55,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:55,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:55,886 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 19:47:55,888 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 19:47:55,889 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-06 19:47:55,889 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:47:56,048 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-06 19:47:56,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2025-02-06 19:47:56,054 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:47:56,054 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:47:56,054 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:47:56,054 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:47:56,054 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:47:56,054 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:56,054 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:47:56,055 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:47:56,055 INFO L132 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration3_Loop [2025-02-06 19:47:56,055 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:47:56,055 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:47:56,055 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:56,060 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:56,063 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:56,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:56,078 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:56,080 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:56,115 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:47:56,118 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:47:56,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:56,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:56,121 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 19:47:56,122 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 19:47:56,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 19:47:56,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:47:56,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:47:56,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:47:56,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:47:56,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:47:56,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:47:56,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:47:56,139 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:47:56,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2025-02-06 19:47:56,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:56,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:56,147 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 19:47:56,149 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 19:47:56,149 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 19:47:56,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:47:56,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:47:56,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:47:56,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:47:56,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:47:56,160 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:47:56,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:47:56,161 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:47:56,166 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-02-06 19:47:56,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:56,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:56,168 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 19:47:56,169 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 19:47:56,170 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 19:47:56,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:47:56,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:47:56,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:47:56,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:47:56,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:47:56,181 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:47:56,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:47:56,182 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:47:56,187 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 19:47:56,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:56,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:56,189 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 19:47:56,190 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 19:47:56,191 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 19:47:56,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:47:56,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:47:56,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:47:56,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:47:56,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:47:56,202 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:47:56,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:47:56,204 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:47:56,207 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-02-06 19:47:56,210 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-06 19:47:56,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:56,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:56,213 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 19:47:56,214 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 19:47:56,215 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:47:56,215 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-06 19:47:56,216 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:47:56,216 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(is_prime__#in~m) = 1*is_prime__#in~m Supporting invariants [] [2025-02-06 19:47:56,222 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 19:47:56,223 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-06 19:47:56,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:56,247 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 19:47:56,253 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 19:47:56,253 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:56,253 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:47:56,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 19:47:56,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:47:56,268 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-06 19:47:56,281 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-06 19:47:56,281 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:56,281 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:47:56,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-06 19:47:56,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:47:56,443 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 19:47:56,449 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 9 loop predicates [2025-02-06 19:47:56,450 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 54 transitions. cyclomatic complexity: 16 Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 19:47:56,771 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 19:47:56,908 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 54 transitions. cyclomatic complexity: 16. Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 358 states and 527 transitions. Complement of second has 85 states. [2025-02-06 19:47:56,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 15 states 1 stem states 13 non-accepting loop states 1 accepting loop states [2025-02-06 19:47:56,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 19:47:56,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 84 transitions. [2025-02-06 19:47:56,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 84 transitions. Stem has 4 letters. Loop has 24 letters. [2025-02-06 19:47:56,918 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:47:56,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 84 transitions. Stem has 28 letters. Loop has 24 letters. [2025-02-06 19:47:56,918 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:47:56,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 84 transitions. Stem has 4 letters. Loop has 48 letters. [2025-02-06 19:47:56,919 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:47:56,919 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 358 states and 527 transitions. [2025-02-06 19:47:56,929 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 30 [2025-02-06 19:47:56,938 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 358 states to 282 states and 403 transitions. [2025-02-06 19:47:56,938 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 170 [2025-02-06 19:47:56,938 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 173 [2025-02-06 19:47:56,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 282 states and 403 transitions. [2025-02-06 19:47:56,938 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:47:56,939 INFO L218 hiAutomatonCegarLoop]: Abstraction has 282 states and 403 transitions. [2025-02-06 19:47:56,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states and 403 transitions. [2025-02-06 19:47:56,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 163. [2025-02-06 19:47:56,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 118 states have (on average 1.3135593220338984) internal successors, (155), 119 states have internal predecessors, (155), 28 states have call successors, (28), 13 states have call predecessors, (28), 17 states have return successors, (37), 30 states have call predecessors, (37), 23 states have call successors, (37) [2025-02-06 19:47:56,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 220 transitions. [2025-02-06 19:47:56,961 INFO L240 hiAutomatonCegarLoop]: Abstraction has 163 states and 220 transitions. [2025-02-06 19:47:56,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:47:56,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 19:47:56,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-02-06 19:47:56,962 INFO L87 Difference]: Start difference. First operand 163 states and 220 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 10 states have internal predecessors, (37), 6 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 19:47:57,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:47:57,152 INFO L93 Difference]: Finished difference Result 185 states and 251 transitions. [2025-02-06 19:47:57,152 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 185 states and 251 transitions. [2025-02-06 19:47:57,155 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 29 [2025-02-06 19:47:57,157 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 185 states to 117 states and 160 transitions. [2025-02-06 19:47:57,157 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 117 [2025-02-06 19:47:57,157 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 117 [2025-02-06 19:47:57,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 117 states and 160 transitions. [2025-02-06 19:47:57,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:47:57,158 INFO L218 hiAutomatonCegarLoop]: Abstraction has 117 states and 160 transitions. [2025-02-06 19:47:57,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states and 160 transitions. [2025-02-06 19:47:57,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 93. [2025-02-06 19:47:57,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 71 states have internal predecessors, (93), 18 states have call successors, (18), 8 states have call predecessors, (18), 8 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2025-02-06 19:47:57,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 126 transitions. [2025-02-06 19:47:57,163 INFO L240 hiAutomatonCegarLoop]: Abstraction has 93 states and 126 transitions. [2025-02-06 19:47:57,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 19:47:57,167 INFO L432 stractBuchiCegarLoop]: Abstraction has 93 states and 126 transitions. [2025-02-06 19:47:57,167 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-02-06 19:47:57,167 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 93 states and 126 transitions. [2025-02-06 19:47:57,168 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 29 [2025-02-06 19:47:57,168 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:47:57,168 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:47:57,168 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:57,168 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-06 19:47:57,168 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(9, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;havoc main_#t~nondet12#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1;" "assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1;" "call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);"< "~n := #in~n;~m := #in~m;" "assume !(~n <= 1);" "assume !(2 == ~n);" "assume ~n > 2;" "assume !(~m <= 1);" "call #t~ret10 := multiple_of(~n, ~m);"< "~n := #in~n;~m := #in~m;" "assume ~m < 0;" [2025-02-06 19:47:57,168 INFO L754 eck$LassoCheckResult]: Loop: "call #t~ret6 := multiple_of(~n, -~m);"< "~n := #in~n;~m := #in~m;" "assume ~m < 0;" [2025-02-06 19:47:57,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:57,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1797482131, now seen corresponding path program 1 times [2025-02-06 19:47:57,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:57,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808312428] [2025-02-06 19:47:57,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:57,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:57,174 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 19:47:57,178 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 19:47:57,178 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:57,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:47:57,214 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 19:47:57,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:47:57,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808312428] [2025-02-06 19:47:57,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808312428] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:47:57,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:47:57,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 19:47:57,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815934874] [2025-02-06 19:47:57,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:47:57,215 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 19:47:57,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:57,216 INFO L85 PathProgramCache]: Analyzing trace with hash 112979, now seen corresponding path program 1 times [2025-02-06 19:47:57,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:57,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492174694] [2025-02-06 19:47:57,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:57,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:57,218 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:47:57,219 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:47:57,219 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:57,219 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:57,219 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:57,220 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:47:57,223 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:47:57,223 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:57,223 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:57,224 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:57,289 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:47:57,289 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:47:57,289 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:47:57,289 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:47:57,289 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-06 19:47:57,289 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:57,289 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:47:57,289 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:47:57,289 INFO L132 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration4_Loop [2025-02-06 19:47:57,289 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:47:57,289 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:47:57,290 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:57,296 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:57,298 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:57,300 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:57,303 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:57,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:57,342 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:47:57,343 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-06 19:47:57,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:57,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:57,345 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 19:47:57,346 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 19:47:57,348 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 19:47:57,348 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:47:57,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2025-02-06 19:47:57,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:57,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:57,376 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 19:47:57,377 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 19:47:57,379 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-06 19:47:57,379 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:47:57,524 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-06 19:47:57,531 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 19:47:57,531 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:47:57,531 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:47:57,531 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:47:57,531 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:47:57,531 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:47:57,531 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:57,531 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:47:57,531 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:47:57,531 INFO L132 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration4_Loop [2025-02-06 19:47:57,531 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:47:57,531 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:47:57,532 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:57,534 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:57,542 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:57,546 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:57,550 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:57,552 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:57,588 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:47:57,588 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:47:57,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:57,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:57,590 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 19:47:57,591 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 19:47:57,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 19:47:57,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:47:57,601 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:47:57,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:47:57,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:47:57,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:47:57,602 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:47:57,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:47:57,603 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:47:57,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2025-02-06 19:47:57,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:57,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:57,611 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 19:47:57,611 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 19:47:57,612 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 19:47:57,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:47:57,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:47:57,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:47:57,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:47:57,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:47:57,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:47:57,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:47:57,626 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:47:57,628 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2025-02-06 19:47:57,628 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-02-06 19:47:57,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:57,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:57,630 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 19:47:57,631 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 19:47:57,632 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:47:57,632 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-06 19:47:57,632 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:47:57,632 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(multiple_of_~m) = 1*multiple_of_~m Supporting invariants [] [2025-02-06 19:47:57,638 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 19:47:57,638 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-06 19:47:57,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:57,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 19:47:57,662 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 19:47:57,662 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:57,662 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:47:57,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 19:47:57,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:47:57,685 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:47:57,693 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:47:57,693 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:57,693 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:47:57,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 19:47:57,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:47:57,713 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 19:47:57,714 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2025-02-06 19:47:57,714 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 93 states and 126 transitions. cyclomatic complexity: 36 Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:47:57,769 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 93 states and 126 transitions. cyclomatic complexity: 36. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 191 states and 253 transitions. Complement of second has 18 states. [2025-02-06 19:47:57,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2025-02-06 19:47:57,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:47:57,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 67 transitions. [2025-02-06 19:47:57,772 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 67 transitions. Stem has 12 letters. Loop has 3 letters. [2025-02-06 19:47:57,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:47:57,772 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 67 transitions. Stem has 15 letters. Loop has 3 letters. [2025-02-06 19:47:57,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:47:57,772 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 67 transitions. Stem has 12 letters. Loop has 6 letters. [2025-02-06 19:47:57,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:47:57,772 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 191 states and 253 transitions. [2025-02-06 19:47:57,778 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 42 [2025-02-06 19:47:57,779 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 191 states to 137 states and 182 transitions. [2025-02-06 19:47:57,781 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 113 [2025-02-06 19:47:57,781 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 114 [2025-02-06 19:47:57,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 182 transitions. [2025-02-06 19:47:57,783 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:47:57,783 INFO L218 hiAutomatonCegarLoop]: Abstraction has 137 states and 182 transitions. [2025-02-06 19:47:57,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states and 182 transitions. [2025-02-06 19:47:57,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 108. [2025-02-06 19:47:57,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 84 states have internal predecessors, (106), 23 states have call successors, (25), 10 states have call predecessors, (25), 8 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2025-02-06 19:47:57,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 146 transitions. [2025-02-06 19:47:57,788 INFO L240 hiAutomatonCegarLoop]: Abstraction has 108 states and 146 transitions. [2025-02-06 19:47:57,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:47:57,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 19:47:57,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 19:47:57,789 INFO L87 Difference]: Start difference. First operand 108 states and 146 transitions. Second operand has 5 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:47:57,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:47:57,817 INFO L93 Difference]: Finished difference Result 98 states and 128 transitions. [2025-02-06 19:47:57,817 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 128 transitions. [2025-02-06 19:47:57,818 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2025-02-06 19:47:57,819 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 98 states and 128 transitions. [2025-02-06 19:47:57,819 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 98 [2025-02-06 19:47:57,820 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 98 [2025-02-06 19:47:57,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 98 states and 128 transitions. [2025-02-06 19:47:57,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:47:57,820 INFO L218 hiAutomatonCegarLoop]: Abstraction has 98 states and 128 transitions. [2025-02-06 19:47:57,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states and 128 transitions. [2025-02-06 19:47:57,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 92. [2025-02-06 19:47:57,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 67 states have (on average 1.328358208955224) internal successors, (89), 70 states have internal predecessors, (89), 17 states have call successors, (17), 8 states have call predecessors, (17), 8 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2025-02-06 19:47:57,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 121 transitions. [2025-02-06 19:47:57,824 INFO L240 hiAutomatonCegarLoop]: Abstraction has 92 states and 121 transitions. [2025-02-06 19:47:57,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 19:47:57,833 INFO L432 stractBuchiCegarLoop]: Abstraction has 92 states and 121 transitions. [2025-02-06 19:47:57,833 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-02-06 19:47:57,833 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 121 transitions. [2025-02-06 19:47:57,834 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2025-02-06 19:47:57,834 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:47:57,834 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:47:57,835 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:57,835 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-06 19:47:57,835 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;havoc main_#t~nondet12#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1;" "assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1;" "call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);"< "~n := #in~n;~m := #in~m;" "assume ~n <= 1;#res := 0;" "assume true;" >"#95#return;" "is_prime_#res#1 := is_prime_#t~ret9#1;havoc is_prime_#t~ret9#1;" "main_#t~ret13#1 := is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;havoc is_prime_#in~n#1;assume { :end_inline_is_prime } true;main_~result~0#1 := main_#t~ret13#1;havoc main_#t~ret13#1;havoc main_#t~nondet14#1;main_~f1~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1;" "assume !(main_~f1~0#1 < 1 || main_~f1~0#1 > 46340);havoc main_#t~nondet15#1;main_~f2~0#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1;" "assume !(main_~f2~0#1 < 1 || main_~f2~0#1 > 46340);main_#t~short17#1 := 1 == main_~result~0#1;" "assume main_#t~short17#1;" "call main_#t~ret16#1 := mult(main_~f1~0#1, main_~f2~0#1);"< [2025-02-06 19:47:57,835 INFO L754 eck$LassoCheckResult]: Loop: "~n := #in~n;~m := #in~m;" "assume ~m < 0;" "call #t~ret4 := mult(~n, -~m);"< [2025-02-06 19:47:57,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:57,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1922765015, now seen corresponding path program 1 times [2025-02-06 19:47:57,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:57,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001059865] [2025-02-06 19:47:57,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:57,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:57,842 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-06 19:47:57,845 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-06 19:47:57,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:57,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:47:57,899 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 19:47:57,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:47:57,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001059865] [2025-02-06 19:47:57,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001059865] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:47:57,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:47:57,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-06 19:47:57,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785961461] [2025-02-06 19:47:57,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:47:57,900 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 19:47:57,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:57,900 INFO L85 PathProgramCache]: Analyzing trace with hash 60571, now seen corresponding path program 1 times [2025-02-06 19:47:57,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:57,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327443931] [2025-02-06 19:47:57,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:57,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:57,903 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:47:57,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:47:57,904 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:57,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:57,904 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:57,904 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:47:57,905 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:47:57,905 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:57,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:57,906 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:57,942 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:47:57,943 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:47:57,943 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:47:57,943 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:47:57,943 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-06 19:47:57,943 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:57,943 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:47:57,943 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:47:57,943 INFO L132 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration5_Loop [2025-02-06 19:47:57,943 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:47:57,943 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:47:57,944 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:57,948 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:57,949 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:57,952 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:57,954 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:57,955 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:57,962 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:57,997 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:47:57,997 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-06 19:47:57,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:57,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:58,001 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 19:47:58,018 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 19:47:58,018 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 19:47:58,018 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:47:58,031 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 19:47:58,031 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#res=0} Honda state: {mult_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-06 19:47:58,036 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2025-02-06 19:47:58,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:58,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:58,039 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 19:47:58,040 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 19:47:58,041 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 19:47:58,041 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:47:58,051 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 19:47:58,051 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~m=0} Honda state: {mult_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-06 19:47:58,057 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 19:47:58,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:58,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:58,059 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 19:47:58,059 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 19:47:58,060 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 19:47:58,060 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:47:58,070 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 19:47:58,070 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret5=0} Honda state: {mult_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-06 19:47:58,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2025-02-06 19:47:58,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:58,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:58,077 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 19:47:58,078 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 19:47:58,079 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 19:47:58,079 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:47:58,090 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 19:47:58,090 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~n=0} Honda state: {mult_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-06 19:47:58,095 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2025-02-06 19:47:58,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:58,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:58,098 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 19:47:58,098 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 19:47:58,099 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 19:47:58,099 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:47:58,110 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 19:47:58,110 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret4=0} Honda state: {mult_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-06 19:47:58,115 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 19:47:58,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:58,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:58,117 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 19:47:58,118 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 19:47:58,119 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 19:47:58,119 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:47:58,130 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 19:47:58,130 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#in~n=0} Honda state: {mult_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-06 19:47:58,135 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2025-02-06 19:47:58,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:58,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:58,137 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 19:47:58,138 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 19:47:58,139 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 19:47:58,139 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:47:58,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2025-02-06 19:47:58,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:58,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:58,156 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:47:58,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2025-02-06 19:47:58,157 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-06 19:47:58,157 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:47:58,195 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-06 19:47:58,199 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2025-02-06 19:47:58,199 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:47:58,199 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:47:58,199 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:47:58,199 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:47:58,199 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:47:58,199 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:58,199 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:47:58,199 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:47:58,199 INFO L132 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration5_Loop [2025-02-06 19:47:58,199 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:47:58,199 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:47:58,200 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:58,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:58,203 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:58,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:58,205 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:58,207 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:58,208 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:58,233 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:47:58,233 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:47:58,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:58,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:58,234 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:47:58,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2025-02-06 19:47:58,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 19:47:58,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:47:58,246 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:47:58,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:47:58,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:47:58,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:47:58,246 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:47:58,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:47:58,247 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:47:58,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2025-02-06 19:47:58,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:58,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:58,254 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:47:58,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2025-02-06 19:47:58,255 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 19:47:58,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:47:58,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:47:58,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:47:58,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:47:58,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:47:58,265 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:47:58,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:47:58,266 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:47:58,271 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2025-02-06 19:47:58,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:58,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:58,273 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 19:47:58,274 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 19:47:58,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:47:58,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:47:58,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:47:58,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:47:58,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:47:58,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:47:58,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:47:58,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:47:58,286 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:47:58,291 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2025-02-06 19:47:58,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:58,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:58,293 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 19:47:58,294 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 19:47:58,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 19:47:58,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:47:58,305 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:47:58,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:47:58,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:47:58,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:47:58,305 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:47:58,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:47:58,306 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:47:58,311 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 19:47:58,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:58,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:58,313 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 19:47:58,314 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 19:47:58,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 19:47:58,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:47:58,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:47:58,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:47:58,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:47:58,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:47:58,325 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:47:58,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:47:58,326 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:47:58,335 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 19:47:58,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:58,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:58,338 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 19:47:58,339 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 19:47:58,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:47:58,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:47:58,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:47:58,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:47:58,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:47:58,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:47:58,351 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:47:58,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:47:58,352 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:47:58,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2025-02-06 19:47:58,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:58,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:58,360 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 19:47:58,361 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 19:47:58,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 19:47:58,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:47:58,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:47:58,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:47:58,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:47:58,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:47:58,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:47:58,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:47:58,374 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:47:58,376 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2025-02-06 19:47:58,376 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-02-06 19:47:58,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:58,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:58,378 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 19:47:58,378 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 19:47:58,379 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:47:58,379 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-06 19:47:58,379 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:47:58,379 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_#in~m) = -1*mult_#in~m Supporting invariants [] [2025-02-06 19:47:58,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2025-02-06 19:47:58,386 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-06 19:47:58,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:58,410 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-06 19:47:58,422 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-06 19:47:58,422 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:58,422 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:47:58,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 19:47:58,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:47:58,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:47:58,483 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:47:58,483 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:58,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:47:58,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 19:47:58,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:47:58,504 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 19:47:58,505 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2025-02-06 19:47:58,505 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 92 states and 121 transitions. cyclomatic complexity: 32 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 19:47:58,587 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 92 states and 121 transitions. cyclomatic complexity: 32. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 114 states and 145 transitions. Complement of second has 14 states. [2025-02-06 19:47:58,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-06 19:47:58,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 19:47:58,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2025-02-06 19:47:58,588 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 14 letters. Loop has 3 letters. [2025-02-06 19:47:58,588 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:47:58,588 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 17 letters. Loop has 3 letters. [2025-02-06 19:47:58,588 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:47:58,588 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 14 letters. Loop has 6 letters. [2025-02-06 19:47:58,588 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:47:58,589 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 145 transitions. [2025-02-06 19:47:58,590 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2025-02-06 19:47:58,594 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 106 states and 137 transitions. [2025-02-06 19:47:58,594 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 99 [2025-02-06 19:47:58,594 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 101 [2025-02-06 19:47:58,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 106 states and 137 transitions. [2025-02-06 19:47:58,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:47:58,595 INFO L218 hiAutomatonCegarLoop]: Abstraction has 106 states and 137 transitions. [2025-02-06 19:47:58,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states and 137 transitions. [2025-02-06 19:47:58,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 97. [2025-02-06 19:47:58,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 71 states have (on average 1.3380281690140845) internal successors, (95), 73 states have internal predecessors, (95), 18 states have call successors, (18), 10 states have call predecessors, (18), 8 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2025-02-06 19:47:58,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 128 transitions. [2025-02-06 19:47:58,604 INFO L240 hiAutomatonCegarLoop]: Abstraction has 97 states and 128 transitions. [2025-02-06 19:47:58,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:47:58,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 19:47:58,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 19:47:58,605 INFO L87 Difference]: Start difference. First operand 97 states and 128 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 19:47:58,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:47:58,631 INFO L93 Difference]: Finished difference Result 108 states and 139 transitions. [2025-02-06 19:47:58,631 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 139 transitions. [2025-02-06 19:47:58,632 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2025-02-06 19:47:58,633 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 101 states and 131 transitions. [2025-02-06 19:47:58,633 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 98 [2025-02-06 19:47:58,633 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 98 [2025-02-06 19:47:58,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 101 states and 131 transitions. [2025-02-06 19:47:58,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:47:58,633 INFO L218 hiAutomatonCegarLoop]: Abstraction has 101 states and 131 transitions. [2025-02-06 19:47:58,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states and 131 transitions. [2025-02-06 19:47:58,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 97. [2025-02-06 19:47:58,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 71 states have (on average 1.3098591549295775) internal successors, (93), 73 states have internal predecessors, (93), 18 states have call successors, (18), 10 states have call predecessors, (18), 8 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2025-02-06 19:47:58,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 126 transitions. [2025-02-06 19:47:58,637 INFO L240 hiAutomatonCegarLoop]: Abstraction has 97 states and 126 transitions. [2025-02-06 19:47:58,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 19:47:58,637 INFO L432 stractBuchiCegarLoop]: Abstraction has 97 states and 126 transitions. [2025-02-06 19:47:58,637 INFO L338 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-02-06 19:47:58,637 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states and 126 transitions. [2025-02-06 19:47:58,638 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2025-02-06 19:47:58,638 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:47:58,638 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:47:58,638 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:58,638 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-02-06 19:47:58,639 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(9, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;havoc main_#t~nondet12#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1;" "assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1;" "call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);"< "~n := #in~n;~m := #in~m;" "assume !(~n <= 1);" "assume !(2 == ~n);" "assume ~n > 2;" "assume !(~m <= 1);" "call #t~ret10 := multiple_of(~n, ~m);"< "~n := #in~n;~m := #in~m;" "assume !(~m < 0);" "assume ~n < 0;" "call #t~ret7 := multiple_of(-~n, ~m);"< [2025-02-06 19:47:58,639 INFO L754 eck$LassoCheckResult]: Loop: "~n := #in~n;~m := #in~m;" "assume !(~m < 0);" "assume ~n < 0;" "call #t~ret7 := multiple_of(-~n, ~m);"< [2025-02-06 19:47:58,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:58,639 INFO L85 PathProgramCache]: Analyzing trace with hash 803476254, now seen corresponding path program 1 times [2025-02-06 19:47:58,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:58,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50028360] [2025-02-06 19:47:58,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:58,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:58,642 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-06 19:47:58,644 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-06 19:47:58,644 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:58,644 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:47:58,701 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 19:47:58,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:47:58,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50028360] [2025-02-06 19:47:58,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50028360] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:47:58,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:47:58,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-06 19:47:58,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163363693] [2025-02-06 19:47:58,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:47:58,702 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 19:47:58,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:58,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1445738, now seen corresponding path program 1 times [2025-02-06 19:47:58,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:58,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299030586] [2025-02-06 19:47:58,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:58,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:58,704 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 19:47:58,704 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 19:47:58,705 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:58,705 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:58,705 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:58,705 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 19:47:58,706 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 19:47:58,706 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:58,706 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:58,706 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:58,745 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:47:58,745 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:47:58,745 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:47:58,745 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:47:58,745 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-06 19:47:58,745 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:58,745 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:47:58,745 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:47:58,745 INFO L132 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration6_Loop [2025-02-06 19:47:58,745 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:47:58,745 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:47:58,746 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:58,750 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:58,752 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:58,756 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:58,757 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:58,759 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:58,760 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:58,762 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:58,792 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:47:58,792 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-06 19:47:58,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:58,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:58,794 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 19:47:58,797 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 19:47:58,798 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 19:47:58,798 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:47:58,814 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 19:47:58,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:58,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:58,817 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 19:47:58,818 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 19:47:58,820 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-06 19:47:58,820 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:47:58,858 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-06 19:47:58,862 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2025-02-06 19:47:58,863 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:47:58,863 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:47:58,863 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:47:58,863 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:47:58,863 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:47:58,863 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:58,863 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:47:58,863 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:47:58,863 INFO L132 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration6_Loop [2025-02-06 19:47:58,863 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:47:58,863 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:47:58,863 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:58,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:58,870 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:58,871 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:58,874 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:58,876 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:58,879 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:58,881 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:58,908 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:47:58,909 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:47:58,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:58,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:58,910 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 19:47:58,911 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 19:47:58,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 19:47:58,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:47:58,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:47:58,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:47:58,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:47:58,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:47:58,922 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:47:58,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:47:58,923 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:47:58,925 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2025-02-06 19:47:58,925 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-02-06 19:47:58,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:58,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:58,927 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 19:47:58,928 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 19:47:58,928 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:47:58,928 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-06 19:47:58,928 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:47:58,928 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(multiple_of_#in~n) = -1*multiple_of_#in~n Supporting invariants [] [2025-02-06 19:47:58,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2025-02-06 19:47:58,935 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-06 19:47:58,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:58,954 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-06 19:47:58,968 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-06 19:47:58,968 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:58,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:47:58,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 19:47:58,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:47:58,992 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 19:47:58,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 19:47:58,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:58,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:47:58,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 19:47:58,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:47:59,014 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 19:47:59,015 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2025-02-06 19:47:59,015 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 97 states and 126 transitions. cyclomatic complexity: 33 Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:47:59,065 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 97 states and 126 transitions. cyclomatic complexity: 33. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 200 states and 269 transitions. Complement of second has 17 states. [2025-02-06 19:47:59,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2025-02-06 19:47:59,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:47:59,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 56 transitions. [2025-02-06 19:47:59,066 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 14 letters. Loop has 4 letters. [2025-02-06 19:47:59,067 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:47:59,067 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 18 letters. Loop has 4 letters. [2025-02-06 19:47:59,067 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:47:59,067 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 14 letters. Loop has 8 letters. [2025-02-06 19:47:59,067 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:47:59,067 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 200 states and 269 transitions. [2025-02-06 19:47:59,069 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 48 [2025-02-06 19:47:59,071 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 200 states to 188 states and 257 transitions. [2025-02-06 19:47:59,071 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 173 [2025-02-06 19:47:59,071 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 175 [2025-02-06 19:47:59,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 188 states and 257 transitions. [2025-02-06 19:47:59,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:47:59,072 INFO L218 hiAutomatonCegarLoop]: Abstraction has 188 states and 257 transitions. [2025-02-06 19:47:59,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states and 257 transitions. [2025-02-06 19:47:59,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 163. [2025-02-06 19:47:59,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 119 states have (on average 1.3277310924369747) internal successors, (158), 125 states have internal predecessors, (158), 28 states have call successors, (28), 16 states have call predecessors, (28), 16 states have return successors, (37), 21 states have call predecessors, (37), 22 states have call successors, (37) [2025-02-06 19:47:59,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 223 transitions. [2025-02-06 19:47:59,077 INFO L240 hiAutomatonCegarLoop]: Abstraction has 163 states and 223 transitions. [2025-02-06 19:47:59,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:47:59,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 19:47:59,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 19:47:59,078 INFO L87 Difference]: Start difference. First operand 163 states and 223 transitions. Second operand has 7 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:47:59,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:47:59,144 INFO L93 Difference]: Finished difference Result 171 states and 230 transitions. [2025-02-06 19:47:59,144 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 171 states and 230 transitions. [2025-02-06 19:47:59,146 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2025-02-06 19:47:59,147 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 171 states to 171 states and 230 transitions. [2025-02-06 19:47:59,148 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 164 [2025-02-06 19:47:59,148 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 164 [2025-02-06 19:47:59,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 171 states and 230 transitions. [2025-02-06 19:47:59,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:47:59,148 INFO L218 hiAutomatonCegarLoop]: Abstraction has 171 states and 230 transitions. [2025-02-06 19:47:59,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states and 230 transitions. [2025-02-06 19:47:59,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 165. [2025-02-06 19:47:59,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 121 states have (on average 1.2975206611570247) internal successors, (157), 127 states have internal predecessors, (157), 26 states have call successors, (26), 16 states have call predecessors, (26), 18 states have return successors, (40), 21 states have call predecessors, (40), 22 states have call successors, (40) [2025-02-06 19:47:59,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 223 transitions. [2025-02-06 19:47:59,154 INFO L240 hiAutomatonCegarLoop]: Abstraction has 165 states and 223 transitions. [2025-02-06 19:47:59,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 19:47:59,158 INFO L432 stractBuchiCegarLoop]: Abstraction has 165 states and 223 transitions. [2025-02-06 19:47:59,158 INFO L338 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2025-02-06 19:47:59,158 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 165 states and 223 transitions. [2025-02-06 19:47:59,159 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2025-02-06 19:47:59,159 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:47:59,160 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:47:59,160 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:59,160 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2025-02-06 19:47:59,161 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;havoc main_#t~nondet12#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1;" "assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1;" "call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);"< "~n := #in~n;~m := #in~m;" "assume !(~n <= 1);" "assume !(2 == ~n);" "assume ~n > 2;" "assume !(~m <= 1);" "call #t~ret10 := multiple_of(~n, ~m);"< "~n := #in~n;~m := #in~m;" "assume !(~m < 0);" "assume !(~n < 0);" "assume !(0 == ~m);" "assume !(0 == ~n);" "call #t~ret8 := multiple_of(~n - ~m, ~m);"< [2025-02-06 19:47:59,161 INFO L754 eck$LassoCheckResult]: Loop: "~n := #in~n;~m := #in~m;" "assume !(~m < 0);" "assume !(~n < 0);" "assume !(0 == ~m);" "assume !(0 == ~n);" "call #t~ret8 := multiple_of(~n - ~m, ~m);"< [2025-02-06 19:47:59,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:59,161 INFO L85 PathProgramCache]: Analyzing trace with hash -953478147, now seen corresponding path program 1 times [2025-02-06 19:47:59,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:59,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697786496] [2025-02-06 19:47:59,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:59,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:59,166 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 19:47:59,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 19:47:59,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:59,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:59,172 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:59,173 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 19:47:59,178 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 19:47:59,178 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:59,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:59,181 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:59,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:59,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1389309257, now seen corresponding path program 1 times [2025-02-06 19:47:59,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:59,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866142755] [2025-02-06 19:47:59,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:59,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:59,184 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 19:47:59,186 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 19:47:59,186 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:59,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:59,186 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:59,187 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 19:47:59,189 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 19:47:59,189 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:59,189 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:59,190 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:59,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:59,190 INFO L85 PathProgramCache]: Analyzing trace with hash -155036603, now seen corresponding path program 2 times [2025-02-06 19:47:59,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:59,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126018069] [2025-02-06 19:47:59,190 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:47:59,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:59,195 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 22 statements into 2 equivalence classes. [2025-02-06 19:47:59,200 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 22 of 22 statements. [2025-02-06 19:47:59,200 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 19:47:59,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:59,200 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:59,201 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-06 19:47:59,204 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-06 19:47:59,204 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:59,204 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:59,205 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:59,265 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:47:59,265 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:47:59,265 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:47:59,265 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:47:59,265 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-06 19:47:59,265 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:59,265 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:47:59,265 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:47:59,265 INFO L132 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration7_Loop [2025-02-06 19:47:59,265 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:47:59,265 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:47:59,266 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:59,268 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:59,270 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:59,271 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:59,273 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:59,274 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:59,276 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:59,342 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:47:59,342 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-06 19:47:59,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:59,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:59,344 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 19:47:59,346 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 19:47:59,347 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 19:47:59,347 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:47:59,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2025-02-06 19:47:59,353 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2025-02-06 19:47:59,360 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 19:47:59,360 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 19:47:59,361 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#res=0} Honda state: {multiple_of_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-06 19:47:59,366 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2025-02-06 19:47:59,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:59,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:59,368 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 19:47:59,369 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 19:47:59,370 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 19:47:59,370 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:47:59,381 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 19:47:59,381 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_~n=0} Honda state: {multiple_of_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-06 19:47:59,386 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 19:47:59,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:59,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:59,388 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 19:47:59,389 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 19:47:59,390 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 19:47:59,390 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:47:59,400 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 19:47:59,400 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_~m=0} Honda state: {multiple_of_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-06 19:47:59,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2025-02-06 19:47:59,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:59,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:59,407 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 19:47:59,407 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 19:47:59,408 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 19:47:59,408 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:47:59,418 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 19:47:59,418 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret8=0} Honda state: {multiple_of_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-06 19:47:59,424 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 19:47:59,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:59,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:59,425 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 19:47:59,426 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 19:47:59,427 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 19:47:59,427 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:47:59,437 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 19:47:59,437 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret7=0} Honda state: {multiple_of_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-06 19:47:59,443 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 19:47:59,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:59,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:59,445 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 19:47:59,446 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 19:47:59,446 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 19:47:59,447 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:47:59,458 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 19:47:59,458 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret6=0} Honda state: {multiple_of_#t~ret6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-06 19:47:59,463 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 19:47:59,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:59,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:59,465 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 19:47:59,466 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 19:47:59,467 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 19:47:59,467 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:47:59,483 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 19:47:59,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:59,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:59,484 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 19:47:59,485 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 19:47:59,486 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-06 19:47:59,486 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:47:59,538 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-06 19:47:59,542 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2025-02-06 19:47:59,542 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:47:59,542 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:47:59,542 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:47:59,542 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:47:59,542 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:47:59,542 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:59,542 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:47:59,542 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:47:59,542 INFO L132 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration7_Loop [2025-02-06 19:47:59,542 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:47:59,542 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:47:59,543 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:59,545 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:59,546 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:59,549 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:59,550 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:59,551 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:59,558 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:47:59,593 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:47:59,594 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:47:59,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:59,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:59,595 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 19:47:59,596 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 19:47:59,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:47:59,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:47:59,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:47:59,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:47:59,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:47:59,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:47:59,607 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:47:59,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:47:59,608 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:47:59,613 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 19:47:59,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:59,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:59,615 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 19:47:59,616 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 19:47:59,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 19:47:59,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:47:59,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:47:59,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:47:59,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:47:59,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:47:59,626 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:47:59,626 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:47:59,627 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:47:59,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2025-02-06 19:47:59,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:59,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:59,635 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 19:47:59,635 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 19:47:59,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 19:47:59,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:47:59,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:47:59,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:47:59,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:47:59,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:47:59,646 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:47:59,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:47:59,647 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:47:59,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2025-02-06 19:47:59,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:59,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:59,655 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 19:47:59,657 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 19:47:59,658 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 19:47:59,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:47:59,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:47:59,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:47:59,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:47:59,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:47:59,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:47:59,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:47:59,669 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:47:59,674 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2025-02-06 19:47:59,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:59,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:59,679 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 19:47:59,680 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 19:47:59,680 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 19:47:59,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:47:59,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:47:59,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:47:59,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:47:59,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:47:59,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:47:59,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:47:59,692 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:47:59,697 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 19:47:59,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:59,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:59,699 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 19:47:59,701 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 19:47:59,702 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 19:47:59,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:47:59,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:47:59,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:47:59,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:47:59,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:47:59,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:47:59,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:47:59,720 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:47:59,724 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-02-06 19:47:59,724 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-06 19:47:59,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:59,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:59,728 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 19:47:59,729 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 19:47:59,729 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:47:59,729 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-06 19:47:59,729 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:47:59,729 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(multiple_of_#in~n) = 1*multiple_of_#in~n Supporting invariants [] [2025-02-06 19:47:59,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2025-02-06 19:47:59,735 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-06 19:47:59,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:59,752 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 19:47:59,769 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 19:47:59,770 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:59,770 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:47:59,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 19:47:59,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:47:59,785 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 19:47:59,788 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 19:47:59,788 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:59,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:47:59,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 19:47:59,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:47:59,850 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 19:47:59,850 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2025-02-06 19:47:59,851 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 165 states and 223 transitions. cyclomatic complexity: 65 Second operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:47:59,941 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 165 states and 223 transitions. cyclomatic complexity: 65. Second operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 218 states and 293 transitions. Complement of second has 29 states. [2025-02-06 19:47:59,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2025-02-06 19:47:59,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:47:59,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 43 transitions. [2025-02-06 19:47:59,945 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 43 transitions. Stem has 16 letters. Loop has 6 letters. [2025-02-06 19:47:59,945 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:47:59,945 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 43 transitions. Stem has 22 letters. Loop has 6 letters. [2025-02-06 19:47:59,945 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:47:59,945 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 43 transitions. Stem has 16 letters. Loop has 12 letters. [2025-02-06 19:47:59,945 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:47:59,945 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 218 states and 293 transitions. [2025-02-06 19:47:59,947 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 48 [2025-02-06 19:47:59,949 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 218 states to 206 states and 279 transitions. [2025-02-06 19:47:59,949 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 183 [2025-02-06 19:47:59,949 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 185 [2025-02-06 19:47:59,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 206 states and 279 transitions. [2025-02-06 19:47:59,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:47:59,949 INFO L218 hiAutomatonCegarLoop]: Abstraction has 206 states and 279 transitions. [2025-02-06 19:47:59,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states and 279 transitions. [2025-02-06 19:47:59,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 181. [2025-02-06 19:47:59,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 134 states have (on average 1.291044776119403) internal successors, (173), 141 states have internal predecessors, (173), 28 states have call successors, (28), 18 states have call predecessors, (28), 19 states have return successors, (44), 21 states have call predecessors, (44), 23 states have call successors, (44) [2025-02-06 19:47:59,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 245 transitions. [2025-02-06 19:47:59,953 INFO L240 hiAutomatonCegarLoop]: Abstraction has 181 states and 245 transitions. [2025-02-06 19:47:59,953 INFO L432 stractBuchiCegarLoop]: Abstraction has 181 states and 245 transitions. [2025-02-06 19:47:59,953 INFO L338 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2025-02-06 19:47:59,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 181 states and 245 transitions. [2025-02-06 19:47:59,954 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2025-02-06 19:47:59,954 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:47:59,954 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:47:59,955 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:59,955 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2025-02-06 19:47:59,955 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;havoc main_#t~nondet12#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1;" "assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1;" "call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);"< "~n := #in~n;~m := #in~m;" "assume !(~n <= 1);" "assume 2 == ~n;#res := 1;" "assume true;" >"#95#return;" "is_prime_#res#1 := is_prime_#t~ret9#1;havoc is_prime_#t~ret9#1;" "main_#t~ret13#1 := is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;havoc is_prime_#in~n#1;assume { :end_inline_is_prime } true;main_~result~0#1 := main_#t~ret13#1;havoc main_#t~ret13#1;havoc main_#t~nondet14#1;main_~f1~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1;" "assume !(main_~f1~0#1 < 1 || main_~f1~0#1 > 46340);havoc main_#t~nondet15#1;main_~f2~0#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1;" "assume !(main_~f2~0#1 < 1 || main_~f2~0#1 > 46340);main_#t~short17#1 := 1 == main_~result~0#1;" "assume main_#t~short17#1;" "call main_#t~ret16#1 := mult(main_~f1~0#1, main_~f2~0#1);"< "~n := #in~n;~m := #in~m;" "assume !(~m < 0);" [2025-02-06 19:47:59,955 INFO L754 eck$LassoCheckResult]: Loop: "assume !(0 == ~m);" "assume !(1 == ~m);" "call #t~ret5 := mult(~n, ~m - 1);"< "~n := #in~n;~m := #in~m;" "assume !(~m < 0);" [2025-02-06 19:47:59,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:59,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1709161179, now seen corresponding path program 1 times [2025-02-06 19:47:59,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:59,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892198218] [2025-02-06 19:47:59,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:59,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:59,957 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 19:47:59,960 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 19:47:59,960 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:59,960 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:59,960 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:59,961 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 19:47:59,963 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 19:47:59,963 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:59,963 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:59,965 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:59,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:59,965 INFO L85 PathProgramCache]: Analyzing trace with hash 52487928, now seen corresponding path program 1 times [2025-02-06 19:47:59,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:59,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216683075] [2025-02-06 19:47:59,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:59,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:59,966 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-06 19:47:59,967 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-06 19:47:59,967 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:59,967 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:59,967 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:59,970 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-06 19:47:59,971 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-06 19:47:59,971 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:59,971 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:59,972 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:59,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:59,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1194182572, now seen corresponding path program 1 times [2025-02-06 19:47:59,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:59,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625090576] [2025-02-06 19:47:59,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:59,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:59,976 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-06 19:47:59,979 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-06 19:47:59,979 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:59,979 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:59,979 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:59,980 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-06 19:47:59,983 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-06 19:47:59,983 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:59,983 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:59,987 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:48:00,060 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:48:00,060 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:48:00,060 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:48:00,060 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:48:00,060 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-06 19:48:00,060 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:48:00,060 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:48:00,060 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:48:00,060 INFO L132 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration8_Loop [2025-02-06 19:48:00,060 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:48:00,060 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:48:00,061 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:48:00,062 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:48:00,070 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:48:00,072 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:48:00,073 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:48:00,117 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:48:00,117 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-06 19:48:00,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:48:00,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:48:00,119 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 19:48:00,120 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 19:48:00,121 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 19:48:00,121 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:48:00,132 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 19:48:00,132 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#res=0} Honda state: {mult_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-06 19:48:00,137 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 19:48:00,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:48:00,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:48:00,140 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 19:48:00,141 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 19:48:00,141 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 19:48:00,141 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:48:00,165 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 19:48:00,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:48:00,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:48:00,167 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 19:48:00,167 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 19:48:00,168 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-06 19:48:00,168 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:48:00,255 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-06 19:48:00,260 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2025-02-06 19:48:00,260 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:48:00,260 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:48:00,260 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:48:00,260 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:48:00,260 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:48:00,260 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:48:00,260 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:48:00,260 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:48:00,260 INFO L132 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration8_Loop [2025-02-06 19:48:00,260 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:48:00,260 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:48:00,261 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:48:00,262 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:48:00,267 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:48:00,268 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:48:00,271 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:48:00,308 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:48:00,308 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:48:00,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:48:00,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:48:00,313 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 19:48:00,314 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 19:48:00,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:48:00,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:48:00,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:48:00,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:48:00,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:48:00,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:48:00,325 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:48:00,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:48:00,325 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:48:00,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2025-02-06 19:48:00,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:48:00,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:48:00,332 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 19:48:00,333 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 19:48:00,334 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 19:48:00,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:48:00,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:48:00,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:48:00,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:48:00,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:48:00,344 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:48:00,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:48:00,346 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:48:00,348 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-02-06 19:48:00,348 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-06 19:48:00,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:48:00,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:48:00,350 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 19:48:00,352 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 19:48:00,352 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:48:00,352 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-06 19:48:00,352 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:48:00,352 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_~m) = 1*mult_~m Supporting invariants [] [2025-02-06 19:48:00,358 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 19:48:00,358 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-06 19:48:00,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:48:00,375 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 19:48:00,386 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 19:48:00,386 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:48:00,386 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:48:00,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 19:48:00,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:48:00,438 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-06 19:48:00,442 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-06 19:48:00,442 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:48:00,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:48:00,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 19:48:00,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:48:00,532 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 19:48:00,533 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2025-02-06 19:48:00,533 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 181 states and 245 transitions. cyclomatic complexity: 72 Second operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 19:48:00,693 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 181 states and 245 transitions. cyclomatic complexity: 72. Second operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 205 states and 272 transitions. Complement of second has 25 states. [2025-02-06 19:48:00,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2025-02-06 19:48:00,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 19:48:00,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 52 transitions. [2025-02-06 19:48:00,696 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 52 transitions. Stem has 17 letters. Loop has 5 letters. [2025-02-06 19:48:00,697 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:48:00,697 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 52 transitions. Stem has 22 letters. Loop has 5 letters. [2025-02-06 19:48:00,697 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:48:00,697 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 52 transitions. Stem has 17 letters. Loop has 10 letters. [2025-02-06 19:48:00,697 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:48:00,697 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 205 states and 272 transitions. [2025-02-06 19:48:00,701 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2025-02-06 19:48:00,703 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 205 states to 204 states and 271 transitions. [2025-02-06 19:48:00,703 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 177 [2025-02-06 19:48:00,703 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 180 [2025-02-06 19:48:00,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 204 states and 271 transitions. [2025-02-06 19:48:00,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:48:00,704 INFO L218 hiAutomatonCegarLoop]: Abstraction has 204 states and 271 transitions. [2025-02-06 19:48:00,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states and 271 transitions. [2025-02-06 19:48:00,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 191. [2025-02-06 19:48:00,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 142 states have (on average 1.2887323943661972) internal successors, (183), 149 states have internal predecessors, (183), 30 states have call successors, (30), 20 states have call predecessors, (30), 19 states have return successors, (44), 21 states have call predecessors, (44), 23 states have call successors, (44) [2025-02-06 19:48:00,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 257 transitions. [2025-02-06 19:48:00,708 INFO L240 hiAutomatonCegarLoop]: Abstraction has 191 states and 257 transitions. [2025-02-06 19:48:00,708 INFO L432 stractBuchiCegarLoop]: Abstraction has 191 states and 257 transitions. [2025-02-06 19:48:00,708 INFO L338 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2025-02-06 19:48:00,708 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 191 states and 257 transitions. [2025-02-06 19:48:00,710 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2025-02-06 19:48:00,710 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:48:00,710 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:48:00,710 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:48:00,710 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-06 19:48:00,710 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;havoc main_#t~nondet12#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1;" "assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1;" "call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);"< "~n := #in~n;~m := #in~m;" "assume !(~n <= 1);" "assume 2 == ~n;#res := 1;" "assume true;" >"#95#return;" "is_prime_#res#1 := is_prime_#t~ret9#1;havoc is_prime_#t~ret9#1;" "main_#t~ret13#1 := is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;havoc is_prime_#in~n#1;assume { :end_inline_is_prime } true;main_~result~0#1 := main_#t~ret13#1;havoc main_#t~ret13#1;havoc main_#t~nondet14#1;main_~f1~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1;" "assume !(main_~f1~0#1 < 1 || main_~f1~0#1 > 46340);havoc main_#t~nondet15#1;main_~f2~0#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1;" "assume !(main_~f2~0#1 < 1 || main_~f2~0#1 > 46340);main_#t~short17#1 := 1 == main_~result~0#1;" "assume main_#t~short17#1;" "call main_#t~ret16#1 := mult(main_~f1~0#1, main_~f2~0#1);"< "~n := #in~n;~m := #in~m;" "assume !(~m < 0);" "assume !(0 == ~m);" "assume !(1 == ~m);" "call #t~ret5 := mult(~n, ~m - 1);"< "~n := #in~n;~m := #in~m;" "assume ~m < 0;" [2025-02-06 19:48:00,710 INFO L754 eck$LassoCheckResult]: Loop: "call #t~ret4 := mult(~n, -~m);"< "~n := #in~n;~m := #in~m;" "assume ~m < 0;" [2025-02-06 19:48:00,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:48:00,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1194182573, now seen corresponding path program 1 times [2025-02-06 19:48:00,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:48:00,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665994654] [2025-02-06 19:48:00,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:48:00,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:48:00,714 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-06 19:48:00,718 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-06 19:48:00,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:48:00,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:48:00,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:48:00,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:48:00,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665994654] [2025-02-06 19:48:00,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665994654] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:48:00,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:48:00,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 19:48:00,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869543942] [2025-02-06 19:48:00,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:48:00,756 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 19:48:00,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:48:00,756 INFO L85 PathProgramCache]: Analyzing trace with hash 117271, now seen corresponding path program 2 times [2025-02-06 19:48:00,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:48:00,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748761248] [2025-02-06 19:48:00,756 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:48:00,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:48:00,758 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:48:00,759 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:48:00,759 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:48:00,759 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:48:00,759 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:48:00,759 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:48:00,760 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:48:00,760 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:48:00,760 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:48:00,761 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:48:00,807 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:48:00,807 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:48:00,807 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:48:00,807 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:48:00,807 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-06 19:48:00,807 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:48:00,807 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:48:00,807 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:48:00,807 INFO L132 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration9_Loop [2025-02-06 19:48:00,807 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:48:00,807 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:48:00,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:48:00,811 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:48:00,817 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:48:00,818 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:48:00,823 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:48:00,851 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:48:00,851 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-06 19:48:00,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:48:00,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:48:00,853 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 19:48:00,853 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 19:48:00,854 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 19:48:00,854 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:48:00,873 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 19:48:00,873 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~n=-6, mult_#in~n=-6} Honda state: {mult_~n=-6, mult_#in~n=-6} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-06 19:48:00,878 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 19:48:00,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:48:00,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:48:00,880 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 19:48:00,881 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 19:48:00,882 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 19:48:00,882 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:48:00,892 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 19:48:00,892 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret4=0} Honda state: {mult_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-06 19:48:00,897 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 19:48:00,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:48:00,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:48:00,899 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 19:48:00,900 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 19:48:00,901 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 19:48:00,901 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:48:00,911 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 19:48:00,912 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret5=0} Honda state: {mult_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-06 19:48:00,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2025-02-06 19:48:00,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:48:00,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:48:00,919 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 19:48:00,919 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 19:48:00,921 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 19:48:00,921 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:48:00,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2025-02-06 19:48:00,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:48:00,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:48:00,946 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 19:48:00,947 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 19:48:00,948 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-06 19:48:00,948 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:48:01,091 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-06 19:48:01,097 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2025-02-06 19:48:01,097 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:48:01,097 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:48:01,097 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:48:01,097 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:48:01,097 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:48:01,098 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:48:01,098 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:48:01,098 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:48:01,098 INFO L132 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration9_Loop [2025-02-06 19:48:01,098 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:48:01,098 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:48:01,098 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:48:01,103 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:48:01,104 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:48:01,106 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:48:01,111 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:48:01,134 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:48:01,135 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:48:01,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:48:01,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:48:01,136 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 19:48:01,137 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 19:48:01,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:48:01,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:48:01,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:48:01,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:48:01,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:48:01,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:48:01,148 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:48:01,148 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:48:01,150 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:48:01,155 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 19:48:01,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:48:01,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:48:01,157 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 19:48:01,158 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 19:48:01,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 19:48:01,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:48:01,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:48:01,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:48:01,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:48:01,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:48:01,170 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:48:01,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:48:01,170 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:48:01,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2025-02-06 19:48:01,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:48:01,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:48:01,178 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 19:48:01,178 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 19:48:01,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:48:01,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:48:01,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:48:01,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:48:01,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:48:01,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:48:01,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:48:01,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:48:01,190 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:48:01,195 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 19:48:01,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:48:01,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:48:01,197 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 19:48:01,198 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 19:48:01,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 19:48:01,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:48:01,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:48:01,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:48:01,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:48:01,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:48:01,209 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:48:01,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:48:01,211 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:48:01,212 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2025-02-06 19:48:01,212 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-02-06 19:48:01,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:48:01,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:48:01,214 INFO L229 MonitoredProcess]: Starting monitored process 68 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 19:48:01,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2025-02-06 19:48:01,216 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:48:01,216 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-06 19:48:01,216 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:48:01,216 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_~m) = 1*mult_~m Supporting invariants [] [2025-02-06 19:48:01,221 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 19:48:01,222 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-06 19:48:01,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:48:01,234 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-06 19:48:01,246 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-06 19:48:01,246 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:48:01,246 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:48:01,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 19:48:01,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:48:01,298 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-06 19:48:01,301 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-06 19:48:01,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:48:01,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:48:01,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 19:48:01,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:48:01,320 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 19:48:01,320 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2025-02-06 19:48:01,320 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 191 states and 257 transitions. cyclomatic complexity: 75 Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 19:48:01,387 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 191 states and 257 transitions. cyclomatic complexity: 75. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 232 states and 303 transitions. Complement of second has 11 states. [2025-02-06 19:48:01,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-06 19:48:01,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 19:48:01,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 54 transitions. [2025-02-06 19:48:01,389 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 22 letters. Loop has 3 letters. [2025-02-06 19:48:01,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:48:01,389 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 25 letters. Loop has 3 letters. [2025-02-06 19:48:01,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:48:01,389 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 22 letters. Loop has 6 letters. [2025-02-06 19:48:01,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:48:01,389 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 232 states and 303 transitions. [2025-02-06 19:48:01,391 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2025-02-06 19:48:01,393 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 232 states to 222 states and 293 transitions. [2025-02-06 19:48:01,393 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 188 [2025-02-06 19:48:01,394 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 190 [2025-02-06 19:48:01,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 222 states and 293 transitions. [2025-02-06 19:48:01,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:48:01,394 INFO L218 hiAutomatonCegarLoop]: Abstraction has 222 states and 293 transitions. [2025-02-06 19:48:01,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states and 293 transitions. [2025-02-06 19:48:01,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 209. [2025-02-06 19:48:01,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 156 states have (on average 1.2692307692307692) internal successors, (198), 162 states have internal predecessors, (198), 34 states have call successors, (37), 25 states have call predecessors, (37), 19 states have return successors, (44), 21 states have call predecessors, (44), 23 states have call successors, (44) [2025-02-06 19:48:01,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 279 transitions. [2025-02-06 19:48:01,398 INFO L240 hiAutomatonCegarLoop]: Abstraction has 209 states and 279 transitions. [2025-02-06 19:48:01,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:48:01,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 19:48:01,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 19:48:01,399 INFO L87 Difference]: Start difference. First operand 209 states and 279 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 19:48:01,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:48:01,420 INFO L93 Difference]: Finished difference Result 205 states and 270 transitions. [2025-02-06 19:48:01,420 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 205 states and 270 transitions. [2025-02-06 19:48:01,422 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2025-02-06 19:48:01,423 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 205 states to 145 states and 177 transitions. [2025-02-06 19:48:01,423 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 135 [2025-02-06 19:48:01,423 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 135 [2025-02-06 19:48:01,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 177 transitions. [2025-02-06 19:48:01,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:48:01,423 INFO L218 hiAutomatonCegarLoop]: Abstraction has 145 states and 177 transitions. [2025-02-06 19:48:01,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 177 transitions. [2025-02-06 19:48:01,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 125. [2025-02-06 19:48:01,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 95 states have (on average 1.1368421052631579) internal successors, (108), 100 states have internal predecessors, (108), 18 states have call successors, (18), 13 states have call predecessors, (18), 12 states have return successors, (28), 11 states have call predecessors, (28), 14 states have call successors, (28) [2025-02-06 19:48:01,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 154 transitions. [2025-02-06 19:48:01,426 INFO L240 hiAutomatonCegarLoop]: Abstraction has 125 states and 154 transitions. [2025-02-06 19:48:01,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 19:48:01,427 INFO L432 stractBuchiCegarLoop]: Abstraction has 125 states and 154 transitions. [2025-02-06 19:48:01,427 INFO L338 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2025-02-06 19:48:01,427 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 154 transitions. [2025-02-06 19:48:01,427 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2025-02-06 19:48:01,428 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:48:01,428 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:48:01,428 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:48:01,428 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1] [2025-02-06 19:48:01,428 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(9, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;havoc main_#t~nondet12#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1;" "assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1;" "call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);"< "~n := #in~n;~m := #in~m;" "assume !(~n <= 1);" "assume !(2 == ~n);" "assume ~n > 2;" "assume !(~m <= 1);" "call #t~ret10 := multiple_of(~n, ~m);"< "~n := #in~n;~m := #in~m;" "assume !(~m < 0);" "assume !(~n < 0);" "assume !(0 == ~m);" "assume !(0 == ~n);" "call #t~ret8 := multiple_of(~n - ~m, ~m);"< "~n := #in~n;~m := #in~m;" "assume !(~m < 0);" "assume ~n < 0;" "call #t~ret7 := multiple_of(-~n, ~m);"< "~n := #in~n;~m := #in~m;" "assume !(~m < 0);" "assume !(~n < 0);" "assume !(0 == ~m);" "assume !(0 == ~n);" [2025-02-06 19:48:01,428 INFO L754 eck$LassoCheckResult]: Loop: "call #t~ret8 := multiple_of(~n - ~m, ~m);"< "~n := #in~n;~m := #in~m;" "assume !(~m < 0);" "assume ~n < 0;" "call #t~ret7 := multiple_of(-~n, ~m);"< "~n := #in~n;~m := #in~m;" "assume !(~m < 0);" "assume !(~n < 0);" "assume !(0 == ~m);" "assume !(0 == ~n);" [2025-02-06 19:48:01,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:48:01,429 INFO L85 PathProgramCache]: Analyzing trace with hash -249976348, now seen corresponding path program 1 times [2025-02-06 19:48:01,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:48:01,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130131557] [2025-02-06 19:48:01,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:48:01,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:48:01,431 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 19:48:01,433 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 19:48:01,433 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:48:01,433 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:48:01,488 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:48:01,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:48:01,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130131557] [2025-02-06 19:48:01,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130131557] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 19:48:01,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504946453] [2025-02-06 19:48:01,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:48:01,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 19:48:01,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:48:01,492 INFO L229 MonitoredProcess]: Starting monitored process 69 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 19:48:01,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Waiting until timeout for monitored process [2025-02-06 19:48:01,517 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 19:48:01,526 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 19:48:01,526 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:48:01,527 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:48:01,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 19:48:01,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:48:01,557 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:48:01,558 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 19:48:01,592 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 19:48:01,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2025-02-06 19:48:01,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2025-02-06 19:48:01,641 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:48:01,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504946453] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 19:48:01,641 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 19:48:01,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2025-02-06 19:48:01,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243380577] [2025-02-06 19:48:01,641 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 19:48:01,642 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 19:48:01,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:48:01,642 INFO L85 PathProgramCache]: Analyzing trace with hash -866811920, now seen corresponding path program 1 times [2025-02-06 19:48:01,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:48:01,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638630866] [2025-02-06 19:48:01,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:48:01,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:48:01,643 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-06 19:48:01,644 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-06 19:48:01,644 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:48:01,644 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:48:01,644 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:48:01,645 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-06 19:48:01,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-06 19:48:01,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:48:01,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:48:01,646 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:48:01,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:48:01,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 19:48:01,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-02-06 19:48:01,795 INFO L87 Difference]: Start difference. First operand 125 states and 154 transitions. cyclomatic complexity: 35 Second operand has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 8 states have internal predecessors, (34), 6 states have call successors, (7), 7 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:48:01,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:48:01,895 INFO L93 Difference]: Finished difference Result 149 states and 188 transitions. [2025-02-06 19:48:01,895 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 149 states and 188 transitions. [2025-02-06 19:48:01,896 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2025-02-06 19:48:01,897 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 149 states to 147 states and 186 transitions. [2025-02-06 19:48:01,897 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 132 [2025-02-06 19:48:01,897 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 132 [2025-02-06 19:48:01,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 147 states and 186 transitions. [2025-02-06 19:48:01,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-06 19:48:01,897 INFO L218 hiAutomatonCegarLoop]: Abstraction has 147 states and 186 transitions. [2025-02-06 19:48:01,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states and 186 transitions. [2025-02-06 19:48:01,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 143. [2025-02-06 19:48:01,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 110 states have (on average 1.1090909090909091) internal successors, (122), 114 states have internal predecessors, (122), 20 states have call successors, (20), 15 states have call predecessors, (20), 13 states have return successors, (31), 13 states have call predecessors, (31), 17 states have call successors, (31) [2025-02-06 19:48:01,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 173 transitions. [2025-02-06 19:48:01,900 INFO L240 hiAutomatonCegarLoop]: Abstraction has 143 states and 173 transitions. [2025-02-06 19:48:01,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 19:48:01,902 INFO L432 stractBuchiCegarLoop]: Abstraction has 143 states and 173 transitions. [2025-02-06 19:48:01,902 INFO L338 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2025-02-06 19:48:01,902 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 143 states and 173 transitions. [2025-02-06 19:48:01,903 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2025-02-06 19:48:01,903 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:48:01,903 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:48:01,903 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:48:01,903 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1] [2025-02-06 19:48:01,903 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;havoc main_#t~nondet12#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1;" "assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1;" "call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);"< "~n := #in~n;~m := #in~m;" "assume !(~n <= 1);" "assume !(2 == ~n);" "assume ~n > 2;" "assume !(~m <= 1);" "call #t~ret10 := multiple_of(~n, ~m);"< "~n := #in~n;~m := #in~m;" "assume !(~m < 0);" "assume !(~n < 0);" "assume !(0 == ~m);" "assume !(0 == ~n);" "call #t~ret8 := multiple_of(~n - ~m, ~m);"< "~n := #in~n;~m := #in~m;" "assume !(~m < 0);" "assume !(~n < 0);" "assume !(0 == ~m);" "assume !(0 == ~n);" "call #t~ret8 := multiple_of(~n - ~m, ~m);"< "~n := #in~n;~m := #in~m;" "assume !(~m < 0);" "assume ~n < 0;" "call #t~ret7 := multiple_of(-~n, ~m);"< "~n := #in~n;~m := #in~m;" "assume !(~m < 0);" "assume !(~n < 0);" "assume !(0 == ~m);" "assume !(0 == ~n);" [2025-02-06 19:48:01,903 INFO L754 eck$LassoCheckResult]: Loop: "call #t~ret8 := multiple_of(~n - ~m, ~m);"< "~n := #in~n;~m := #in~m;" "assume !(~m < 0);" "assume ~n < 0;" "call #t~ret7 := multiple_of(-~n, ~m);"< "~n := #in~n;~m := #in~m;" "assume !(~m < 0);" "assume !(~n < 0);" "assume !(0 == ~m);" "assume !(0 == ~n);" [2025-02-06 19:48:01,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:48:01,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1817328284, now seen corresponding path program 2 times [2025-02-06 19:48:01,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:48:01,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111593141] [2025-02-06 19:48:01,904 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:48:01,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:48:01,908 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 31 statements into 2 equivalence classes. [2025-02-06 19:48:01,914 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 31 of 31 statements. [2025-02-06 19:48:01,916 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 19:48:01,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:48:01,917 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:48:01,918 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-06 19:48:01,921 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-06 19:48:01,923 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:48:01,924 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:48:01,931 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:48:01,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:48:01,932 INFO L85 PathProgramCache]: Analyzing trace with hash -866811920, now seen corresponding path program 2 times [2025-02-06 19:48:01,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:48:01,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037505239] [2025-02-06 19:48:01,932 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:48:01,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:48:01,934 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 10 statements into 2 equivalence classes. [2025-02-06 19:48:01,937 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 10 of 10 statements. [2025-02-06 19:48:01,937 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 19:48:01,937 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:48:01,938 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:48:01,938 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-06 19:48:01,939 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-06 19:48:01,939 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:48:01,939 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:48:01,940 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:48:01,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:48:01,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1897886923, now seen corresponding path program 3 times [2025-02-06 19:48:01,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:48:01,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296411199] [2025-02-06 19:48:01,941 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:48:01,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:48:01,943 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 41 statements into 5 equivalence classes. [2025-02-06 19:48:01,949 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 19:48:01,949 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-02-06 19:48:01,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:48:01,949 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:48:01,951 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 19:48:01,954 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 19:48:01,954 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:48:01,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:48:01,956 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:48:02,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-06 19:48:02,746 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-06 19:48:02,746 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:48:02,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:48:02,747 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:48:02,750 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-06 19:48:02,754 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-06 19:48:02,754 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:48:02,754 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:48:02,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 07:48:02 BoogieIcfgContainer [2025-02-06 19:48:02,794 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 19:48:02,795 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 19:48:02,795 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 19:48:02,795 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 19:48:02,795 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:47:54" (3/4) ... [2025-02-06 19:48:02,797 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-02-06 19:48:02,834 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 19:48:02,835 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 19:48:02,836 INFO L158 Benchmark]: Toolchain (without parser) took 9282.56ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 112.8MB in the beginning and 182.6MB in the end (delta: -69.9MB). Peak memory consumption was 153.5MB. Max. memory is 16.1GB. [2025-02-06 19:48:02,836 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 201.3MB. Free memory is still 122.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:48:02,837 INFO L158 Benchmark]: CACSL2BoogieTranslator took 151.03ms. Allocated memory is still 142.6MB. Free memory was 112.8MB in the beginning and 101.5MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:48:02,837 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.78ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 100.5MB in the end (delta: 996.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:48:02,837 INFO L158 Benchmark]: Boogie Preprocessor took 29.00ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 99.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:48:02,837 INFO L158 Benchmark]: IcfgBuilder took 321.69ms. Allocated memory is still 142.6MB. Free memory was 99.1MB in the beginning and 85.4MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:48:02,838 INFO L158 Benchmark]: BuchiAutomizer took 8717.40ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 85.4MB in the beginning and 185.8MB in the end (delta: -100.4MB). Peak memory consumption was 128.3MB. Max. memory is 16.1GB. [2025-02-06 19:48:02,838 INFO L158 Benchmark]: Witness Printer took 40.66ms. Allocated memory is still 369.1MB. Free memory was 185.8MB in the beginning and 182.6MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:48:02,839 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 201.3MB. Free memory is still 122.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 151.03ms. Allocated memory is still 142.6MB. Free memory was 112.8MB in the beginning and 101.5MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.78ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 100.5MB in the end (delta: 996.0kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.00ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 99.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 321.69ms. Allocated memory is still 142.6MB. Free memory was 99.1MB in the beginning and 85.4MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 8717.40ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 85.4MB in the beginning and 185.8MB in the end (delta: -100.4MB). Peak memory consumption was 128.3MB. Max. memory is 16.1GB. * Witness Printer took 40.66ms. Allocated memory is still 369.1MB. Free memory was 185.8MB in the beginning and 182.6MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 15 terminating modules (8 trivial, 7 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function \old(m) and consists of 15 locations. One deterministic module has affine ranking function m and consists of 5 locations. One deterministic module has affine ranking function ((long long) -1 * \old(m)) and consists of 5 locations. One deterministic module has affine ranking function ((long long) -1 * \old(n)) and consists of 5 locations. One deterministic module has affine ranking function \old(n) and consists of 8 locations. One deterministic module has affine ranking function m and consists of 8 locations. One deterministic module has affine ranking function m and consists of 5 locations. 8 modules have a trivial ranking function, the largest among these consists of 14 locations. The remainder module has 143 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.6s and 11 iterations. TraceHistogramMax:4. Analysis of lassos took 5.8s. Construction of modules took 0.7s. Büchi inclusion checks took 1.8s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 11. Automata minimization 0.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 303 StatesRemovedByMinimization, 15 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 [7, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/7 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 632 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 608 mSDsluCounter, 2124 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1458 mSDsCounter, 182 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1111 IncrementalHoareTripleChecker+Invalid, 1293 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 182 mSolverCounterUnsat, 666 mSDtfsCounter, 1111 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT2 conc0 concLT1 SILN1 SILU0 SILI0 SILT4 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp79 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf93 smp89 dnf100 smp100 tf109 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 19 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 7 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 44]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L77] int n = __VERIFIER_nondet_int(); [L78] COND FALSE !(n < 1 || n > 46340) [L83] CALL is_prime(n) [L53] CALL is_prime_(n, n - 1) VAL [\old(m)=2, \old(n)=3] [L58] COND FALSE !(n <= 1) VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L61] COND FALSE !(n == 2) VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L64] COND TRUE n > 2 VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L65] COND FALSE !(m <= 1) VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L68] CALL multiple_of(n, m) VAL [\old(m)=2, \old(n)=3] [L32] COND FALSE !(m < 0) VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L35] COND FALSE !(n < 0) VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L38] COND FALSE !(m == 0) VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L41] COND FALSE !(n == 0) VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L44] CALL multiple_of(n - m, m) VAL [\old(m)=2, \old(n)=1] [L32] COND FALSE !(m < 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] [L35] COND FALSE !(n < 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] [L38] COND FALSE !(m == 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] [L41] COND FALSE !(n == 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] [L44] CALL multiple_of(n - m, m) VAL [\old(m)=2, \old(n)=-1] [L32] COND FALSE !(m < 0) VAL [\old(m)=2, \old(n)=-1, m=2, n=-1] [L35] COND TRUE n < 0 VAL [\old(m)=2, \old(n)=-1, m=2, n=-1] [L36] CALL multiple_of(-n, m) VAL [\old(m)=2, \old(n)=1] [L32] COND FALSE !(m < 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] [L35] COND FALSE !(n < 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] [L38] COND FALSE !(m == 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] [L41] COND FALSE !(n == 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] Loop: [L44] CALL multiple_of(n - m, m) [L32] COND FALSE !(m < 0) [L35] COND TRUE n < 0 [L36] CALL multiple_of(-n, m) [L32] COND FALSE !(m < 0) [L35] COND FALSE !(n < 0) [L38] COND FALSE !(m == 0) [L41] COND FALSE !(n == 0) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 44]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L77] int n = __VERIFIER_nondet_int(); [L78] COND FALSE !(n < 1 || n > 46340) [L83] CALL is_prime(n) [L53] CALL is_prime_(n, n - 1) VAL [\old(m)=2, \old(n)=3] [L58] COND FALSE !(n <= 1) VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L61] COND FALSE !(n == 2) VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L64] COND TRUE n > 2 VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L65] COND FALSE !(m <= 1) VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L68] CALL multiple_of(n, m) VAL [\old(m)=2, \old(n)=3] [L32] COND FALSE !(m < 0) VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L35] COND FALSE !(n < 0) VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L38] COND FALSE !(m == 0) VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L41] COND FALSE !(n == 0) VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L44] CALL multiple_of(n - m, m) VAL [\old(m)=2, \old(n)=1] [L32] COND FALSE !(m < 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] [L35] COND FALSE !(n < 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] [L38] COND FALSE !(m == 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] [L41] COND FALSE !(n == 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] [L44] CALL multiple_of(n - m, m) VAL [\old(m)=2, \old(n)=-1] [L32] COND FALSE !(m < 0) VAL [\old(m)=2, \old(n)=-1, m=2, n=-1] [L35] COND TRUE n < 0 VAL [\old(m)=2, \old(n)=-1, m=2, n=-1] [L36] CALL multiple_of(-n, m) VAL [\old(m)=2, \old(n)=1] [L32] COND FALSE !(m < 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] [L35] COND FALSE !(n < 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] [L38] COND FALSE !(m == 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] [L41] COND FALSE !(n == 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] Loop: [L44] CALL multiple_of(n - m, m) [L32] COND FALSE !(m < 0) [L35] COND TRUE n < 0 [L36] CALL multiple_of(-n, m) [L32] COND FALSE !(m < 0) [L35] COND FALSE !(n < 0) [L38] COND FALSE !(m == 0) [L41] COND FALSE !(n == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-02-06 19:48:02,856 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Ended with exit code 0 [2025-02-06 19:48:03,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-06 19:48:03,259 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)